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14680 commits

Author SHA1 Message Date
Ævar Arnfjörð Bjarmason d7756184c9 doc txt & -h consistency: make "rerere" consistent
For "rerere" say "pathspec" consistently, and list the subcommands in
the order that they're discussed in the "COMMANDS" section of the
documentation.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:56 -07:00
Ævar Arnfjörð Bjarmason 8c9e292dc0 doc txt & -h consistency: add missing options and labels
Fix various issues of SYNOPSIS and -h output syntax where:

 * Options such as --force were missing entirely
 * ...or the short option, such as -f

 * We said "opts" or "options", but could instead enumerate
   the (small) set of supported options

 * Options that were missing entirely (ls-remote's --sort=<key>)

   As we can specify "--sort" multiple times (it's backed by a
   string-list" it should really be "[(--sort=<key>)...]", which is
   what "git for-each-ref" lists it as, but let's leave that issue for
   a subsequent cleanup, and stop at making these consistent. Other
   "ref-filter.h" users share the same issue, e.g. "git-branch.txt".

 * For "verify-tag" and "verify-commit" we were missing the "--raw"
   option.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:56 -07:00
Ævar Arnfjörð Bjarmason c08cfc395f doc txt & -h consistency: add or fix optional "--" syntax
Add the "[--]" for those cases where the *.txt and -h were
inconsistent, or where we incorrectly stated in one but not the other
that the "--" was mandatory.

In the case of "rev-list" both sides were wrong, as we we don't
require one or more paths if "--" is used, e.g. this is OK:

	git rev-list HEAD --

That part of this change is not a "doc txt & -h consistency" change,
as we're changing both versions, doing so here makes both sides
consistent.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:56 -07:00
Ævar Arnfjörð Bjarmason f6a8ef0700 doc txt & -h consistency: fix mismatching labels
Fix various inconsistencies between command SYNOPSIS and the
corresponding -h output where our translatable labels didn't match
up.

In some cases we need to adjust the prose that follows the SYNOPSIS
accordingly, as it refers back to the changed label.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:56 -07:00
Ævar Arnfjörð Bjarmason 23a9235d52 doc txt & -h consistency: use "<options>", not "<options>..."
It's arguably more correct to say "[<option>...]" than either of these
forms, but the vast majority of our documentation uses the
"[<options>]" form to indicate an arbitrary number of options, let's
do the same in these cases, which were the odd ones out.

In the case of "mv" and "sparse-checkout" let's add the missing "[]"
to indicate that these are optional.

In the case of "t/helper/test-proc-receive.c" there is no *.txt
version, making it the only hunk in this commit that's not a "doc txt
& -h consistency" change.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:55 -07:00
Ævar Arnfjörð Bjarmason 007512152e stash doc SYNOPSIS & -h: correct padding around "[]()"
The whitespace padding of alternatives should be of the form "[-f |
--force]" not "[-f|--force]". Likewise we should not have padding
before the first option, so "(--all | <pack-filename>...)" is correct,
not "( --all | <pack-filename>... )".

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:55 -07:00
Ævar Arnfjörð Bjarmason e2f4e7e8c0 doc txt & -h consistency: correct padding around "[]()"
The whitespace padding of alternatives should be of the form "[-f |
--force]" not "[-f|--force]". Likewise we should not have padding
before the first option, so "(--all | <pack-filename>...)" is correct,
not "( --all | <pack-filename>... )".

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:55 -07:00
Ævar Arnfjörð Bjarmason d4056dba1f doc txt & -h consistency: fix incorrect alternates syntax
Fix the incorrect "[-o | --option <argument>]" syntax, which should be
"[(-o | --option) <argument>]", we were previously claiming that only
the long option accepted the "<argument>", which isn't what we meant.

This syntax issue for "bugreport" originated in
238b439d69 (bugreport: add tool to generate debugging info,
2020-04-16), and for "diagnose" in 6783fd3cef (builtin/diagnose.c:
create 'git diagnose' builtin, 2022-08-12), which copied and adjusted
"bugreport" documentation and code.

In the case of "Documentation/git-stash.txt" and "builtin/stash.c"
this is not a "doc txt & -h consistency" change, as we're changing
both versions, doing so here makes a subsequent change smaller.

In that case fix the incorrect "[-o | --option <argument>]" syntax,
which should be "[(-o | --option) <argument>]", we were previously
claiming that only the long option accepted the "<argument>", which
isn't what we meant.

The "stash" issue has been with us in both the "-h" and *.txt versions
since bd514cada4 (stash: introduce 'git stash store', 2013-06-15).

We could claim that this isn't a syntax issue if a "vertical bar binds
tighter than option and its argument", but such a rule would change
e.g. this "cat-file" SYNOPSIS example to mean something we don't:

	... [<rev>:<path|tree-ish> | --path=<path|tree-ish> <rev>]

We have various other examples where the post-image here is already
used, e.g. for "format-patch" ("-o"), "grep" ("-m"),
"submodule" ("set-branch -b") etc.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:55 -07:00
Ævar Arnfjörð Bjarmason 5af8b61cc3 doc txt & -h consistency: word-wrap
Change the documentation and -h output for those built-in commands
where both the -h output and *.txt were lacking in word-wrapping.

There are many more built-ins that could use this treatment, this
change is narrowed to those where this whitespace change is needed to
make the -h and *.txt consistent in the end.

In the case of "Documentation/git-hash-object.txt" and
"builtin/hash-object.c" this is not a "doc txt & -h consistency"
change, as we're changing both versions, doing so here makes a
subsequent change smaller.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:55 -07:00
Ævar Arnfjörð Bjarmason 6df5494f73 doc SYNOPSIS: consistently use ' for commands
Most of our commands use ''-quotation only for the name of the command
itself, and not its (optional) arguments. Let's do the same for these.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:54 -07:00
Ævar Arnfjörð Bjarmason b2ca7e417e doc SYNOPSIS: don't use ' for subcommands
Almost all of our documentation doesn't use "'" syntax for
subcommands, but these did, let's make them consistent with the
rest.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:54 -07:00
Ævar Arnfjörð Bjarmason 6584fcc5c8 CodingGuidelines: update and clarify command-line conventions
Edit the section which explains how to create a good SYNOPSIS section
for clarity and accuracy, it was mostly introduced in
c455bd8950 (CodingGuidelines: Add a section on writing documentation,
2010-11-04):

 * Change "extra" example to "file", which now naturally follows from
   previous "<file>..." example (one or more) to "[<file>...]" (zero or
   more).

 * Explain how we prefer spacing around "[]()" tokens and "|"
   alternatives, this is not a new policy, but just codifies what's
   already the pattern in the most wide use in the documentation.

Having a space around " | " for flags, but not for flag values is
inconsistent, but this style guide codifies existing
patterns. Grepping shows that we don't have any instance matching the
second "Don't" example:

	git grep -E -h -o '=\([^)]+\)' -- builtin Documentation/

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-13 09:32:54 -07:00
Sotir Danailov a2634646eb docs: git-send-email: difference between ssl and tls smtp-encryption
New explanation for the difference between these values.
It's hard to understand what they do based only on the names.
New description of used default ports.

Signed-off-by: Sotir Danailov <sndanailov@wired4ever.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-12 11:08:37 -07:00
Derrick Stolee bff03c47f7 bundle-uri: create base key-value pair parsing
There will be two primary ways to advertise a bundle list: as a list of
packet lines in Git's protocol v2 and as a config file served from a
bundle URI. Both of these fundamentally use a list of key-value pairs.
We will use the same set of key-value pairs across these formats.

Create a new bundle_list_update() method that is currently unusued, but
will be used in the next change. It inspects each key to see if it is
understood and then applies it to the given bundle_list. Here are the
keys that we teach Git to understand:

* bundle.version: This value should be an integer. Git currently
  understands only version 1 and will ignore the list if the version is
  any other value. This version can be increased in the future if we
  need to add new keys that Git should not ignore. We can add new
  "heuristic" keys without incrementing the version.

* bundle.mode: This value should be one of "all" or "any". If this
  mode is not understood, then Git will ignore the list. This mode
  indicates whether Git needs all of the bundle list items to make a
  complete view of the content or if any single item is sufficient.

The rest of the keys use a bundle identifier "<id>" as part of the key
name. Keys using the same "<id>" describe a single bundle list item.

* bundle.<id>.uri: This stores the URI of the bundle item. This
  currently is expected to be an absolute URI, but will be relaxed to be
  a relative URI in the future.

While parsing, return an error if a URI key is repeated, since we can
make that restriction with bundle lists.

Make the git_parse_int() method global so we can parse the integer
version value carefully.

Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-12 09:13:24 -07:00
Junio C Hamano d420dda057 The second batch
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-11 10:36:12 -07:00
Junio C Hamano 39c1578c5e Merge branch 'nb/doc-mergetool-typofix'
Typofix.

* nb/doc-mergetool-typofix:
  mergetool.txt: typofix 'overwriten' -> 'overwritten'
2022-10-11 10:36:12 -07:00
Junio C Hamano d54f0c5a44 Merge branch 'ds/bundle-uri-docfix'
Doc formatting fix.

* ds/bundle-uri-docfix:
  bundle-uri: fix technical doc issues
2022-10-11 10:36:10 -07:00
Ævar Arnfjörð Bjarmason 438c2f859b CodingGuidelines: recommend against unportable C99 struct syntax
Per 33665d98e6 (reftable: make assignments portable to AIX xlc
v12.01, 2022-03-28) forms like ".a.b = *c" can be replaced by using
".a = { .b = *c }" instead.

We'll probably allow these sooner than later, but since the workaround
is trivial let's note it among the C99 features we'd like to hold off
on for now.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-11 08:55:01 -07:00
Ævar Arnfjörð Bjarmason d7d850e2b9 CodingGuidelines: mention C99 features we can't use
The C99 section of the CodingGuidelines is a good overview of what we
can use, but is sorely lacking in what we can't use. Something that
comes up occasionally is the portability of %z.

Per [1] we couldn't use it for the longest time due to MSVC not
supporting it, but nowadays by requiring C99 we rely on the MSVC
version that does, but we can't use it yet because a C library that
MinGW uses doesn't support it.

1. https://lore.kernel.org/git/a67e0fd8-4a14-16c9-9b57-3430440ef93c@gmail.com/

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-10 13:41:12 -07:00
Ævar Arnfjörð Bjarmason 82dd01d81b CodingGuidelines: allow declaring variables in for loops
Since 44ba10d671 (revision: use C99 declaration of variable in for()
loop, 2021-11-14) released with v2.35.0 we've had a variable declared
with in a for loop.

Since then we've had inadvertent follow-ups to that with at least
cb2607759e (merge-ort: store more specific conflict information,
2022-06-18) released with v2.38.0.

As November 2022 is within the window of this upcoming release,
let's update the guideline to allow this.  We can have the promised
"revisit" discussion while this patch cooks, and drop it if it turns
out that it is still premature, which is not expected to happen at
this moment.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-10 13:41:11 -07:00
Ævar Arnfjörð Bjarmason 442c27dde7 CodingGuidelines: mention dynamic C99 initializer elements
The first use of variables in initializer elements appears to have
been 2b6854c863 (Cleanup variables in cat-file, 2007-04-21) released
with v1.5.2.

Some of those caused portability issues, and e.g. that "cat-file" use
was changed in 66dbfd55e3 (Rewrite dynamic structure initializations
to runtime assignment, 2010-05-14) which went out with v1.7.2.

But curiously 66dbfd55e3 missed some of them, e.g. an archive.c use
added in d5f53d6d6f (archive: complain about path specs that don't
match anything, 2009-12-12), and another one in merge-index.c (later
builtin/merge-index.c) in 0077138cd9 (Simplify some instances of
run_command() by using run_command_v_opt()., 2009-06-08).

As far as I can tell there's been no point since 2b6854c863 in 2007
where a compiler that didn't support this has been able to compile
git. Presumably 66dbfd55e3 was an attempt to make headway with wider
portability that ultimately wasn't completed.

In any case, we are thoroughly reliant on this syntax at this point,
so let's update the guidelines, see
https://lore.kernel.org/git/xmqqy1tunjgp.fsf@gitster.g/ for the
initial discussion.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-10 13:41:11 -07:00
Ævar Arnfjörð Bjarmason e88a2d02dc CodingGuidelines: update for C99
Since 7bc341e21b (git-compat-util: add a test balloon for C99
support, 2021-12-01) we've had a hard dependency on C99, but the prose
in CodingGuidelines was written under the assumption that we were
using C89 with a few C99 features.

As the updated prose notes we'd still like to hold off on novel C99
features, but let's make it clear that we target that C version, and
then enumerate new C99 features that are safe to use.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-10 13:41:11 -07:00
Junio C Hamano e85701b4af The (real) first batch for 2.39
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-10 10:09:09 -07:00
Junio C Hamano a215853545 Merge branch 'tb/midx-repack-ignore-cruft-packs'
"git multi-pack-index repack/expire" used to repack unreachable
cruft into a new pack, which have been corrected.

* tb/midx-repack-ignore-cruft-packs:
  midx.c: avoid cruft packs with non-zero `repack --batch-size`
  midx.c: remove unnecessary loop condition
  midx.c: replace `xcalloc()` with `CALLOC_ARRAY()`
  midx.c: avoid cruft packs with `repack --batch-size=0`
  midx.c: prevent `expire` from removing the cruft pack
  Documentation/git-multi-pack-index.txt: clarify expire behavior
  Documentation/git-multi-pack-index.txt: fix typo
2022-10-10 10:08:43 -07:00
Junio C Hamano a1fdfb0975 Merge branch 'jc/environ-docs'
Documentation on various Boolean GIT_* environment variables have
been clarified.

* jc/environ-docs:
  environ: GIT_INDEX_VERSION affects not just a new repository
  environ: simplify description of GIT_INDEX_FILE
  environ: GIT_FLUSH should be made a usual Boolean
  environ: explain Boolean environment variables
  environ: document GIT_SSL_NO_VERIFY
2022-10-10 10:08:41 -07:00
Junio C Hamano 4b4d97cfda Merge branch 'ds/scalar-unregister-idempotent'
"scalar unregister" in a repository that is already been
unregistered reported an error.

* ds/scalar-unregister-idempotent:
  string-list: document iterator behavior on NULL input
  gc: replace config subprocesses with API calls
  scalar: make 'unregister' idempotent
  maintenance: add 'unregister --force'
2022-10-10 10:08:40 -07:00
Junio C Hamano d194e61ea7 Merge branch 'so/diff-merges-cleanup'
Code clean-up.

* so/diff-merges-cleanup:
  diff-merges: clarify log.diffMerges documentation
  diff-merges: cleanup set_diff_merges()
  diff-merges: cleanup func_by_opt()
2022-10-10 10:08:39 -07:00
Junio C Hamano b77e3bdd97 symbolic-ref: teach "--[no-]recurse" option
Suppose you are managing many maintenance tracks in your project,
and some of the more recent ones are maint-2.36 and maint-2.37.
Further imagine that your project recently tagged the official 2.38
release, which means you would need to start maint-2.38 track soon,
by doing:

  $ git checkout -b maint-2.38 v2.38.0^0
  $ git branch --list 'maint-2.3[6-9]'
  * maint-2.38
    maint-2.36
    maint-2.37

So far, so good.  But it also is reasonable to want not to have to
worry about which maintenance track is the latest, by pointing a
more generic-sounding 'maint' branch at it, by doing:

  $ git symbolic-ref refs/heads/maint refs/heads/maint-2.38

which would allow you to say "whichever it is, check out the latest
maintenance track", by doing:

  $ git checkout maint
  $ git branch --show-current
  maint-2.38

It is arguably better to say that we are on 'maint-2.38' rather than
on 'maint', and "git merge/pull" would record "into maint-2.38" and
not "into maint", so I think what we have is a good behaviour.

One thing that is slightly irritating, however, is that I do not
think there is a good way (other than "cat .git/HEAD") to learn that
you checked out 'maint' to get into that state.  Just like the output
of "git branch --show-current" shows above, "git symbolic-ref HEAD"
would report 'refs/heads/maint-2.38', bypassing the intermediate
symbolic ref at 'refs/heads/maint' that is pointed at by HEAD.

The internal resolve_ref() API already has the necessary support for
stopping after resolving a single level of a symbolic-ref, and we
can expose it by adding a "--[no-]recurse" option to the command.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-09 12:31:24 -07:00
Junio C Hamano bbe21b64a0 Start 2.39 cycle
The version numbers do not mean much, but we may want to call the
first one in 2023 version 3.1 or something, but let's just increment
the second digit from the previous one for this cycle.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-07 17:19:59 -07:00
Junio C Hamano de73968e52 Merge branch 'dd/retire-efgrep'
Prepare for GNU [ef]grep that throw warning of their uses.

* dd/retire-efgrep:
  t: convert fgrep usage to "grep -F"
  t: convert egrep usage to "grep -E"
  t: remove \{m,n\} from BRE grep usage
  CodingGuidelines: allow grep -E
2022-10-07 17:19:59 -07:00
Junio C Hamano 3991bb73dd SubmittingPatches: use usual capitalization in the log message body
Update the description of the summary section to clarify that the
"do not capitalize" rule applies only the word after the "<area>:"
prefix of the title and nowhere else.  This hopefully will prevent
folks from writing their proposed log message in all lowercase.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-07 14:59:25 -07:00
Derrick Stolee 7190b7ebf9 bundle-uri: fix technical doc issues
Two documentation issues exist in the technical docs for the bundle URI
feature.

First, there is an extraneous "the" across a linebreak, making the
nonsensical phrase "the bundle the list" which should just be "the
bundle list".

Secondly, the asciidoc update treats the string "`have`s" as starting a
"<code>" block, but the second tick is interpreted as an apostrophe
instead of a closing "</code>" tag. This causes entire sentences to be
formatted as code until the next one comes along. Simply adding a space
here does not work properly as the rendered HTML keeps that space.
Instead, restructure the sentence slightly to avoid using a plural,
allowing the HTML to render correctly.

Reported-by: Philip Oakley <philipoakley@iee.email>
Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-07 11:00:21 -07:00
Taylor Blau d5b41391a4 Git 2.38.1
Signed-off-by: Taylor Blau <me@ttaylorr.com>
2022-10-06 20:00:33 -04:00
Taylor Blau f64d4ca8d6 Sync with 2.37.4
Signed-off-by: Taylor Blau <me@ttaylorr.com>
2022-10-06 20:00:04 -04:00
Taylor Blau f2798aa404 Sync with 2.36.3
Signed-off-by: Taylor Blau <me@ttaylorr.com>
2022-10-06 19:58:16 -04:00
Taylor Blau fcdaa211e6 Git 2.36.3
Signed-off-by: Taylor Blau <me@ttaylorr.com>
2022-10-06 17:45:10 -04:00
Taylor Blau 58612f82b6 Sync with 2.35.5
Signed-off-by: Taylor Blau <me@ttaylorr.com>
2022-10-06 17:44:44 -04:00
Taylor Blau 868154bb1c Git 2.35.5
Signed-off-by: Taylor Blau <me@ttaylorr.com>
2022-10-06 17:44:02 -04:00
Taylor Blau ac8a1db867 Sync with 2.34.5
Signed-off-by: Taylor Blau <me@ttaylorr.com>
2022-10-06 17:43:37 -04:00
Taylor Blau be85cfc4db Git 2.34.5
Signed-off-by: Taylor Blau <me@ttaylorr.com>
2022-10-06 17:43:08 -04:00
Taylor Blau 478a426f14 Sync with 2.33.5
Signed-off-by: Taylor Blau <me@ttaylorr.com>
2022-10-06 17:42:55 -04:00
Taylor Blau 7800e1dccf Git 2.33.5
Signed-off-by: Taylor Blau <me@ttaylorr.com>
2022-10-06 17:42:27 -04:00
Taylor Blau 3957f3c84e Sync with 2.32.4
Signed-off-by: Taylor Blau <me@ttaylorr.com>
2022-10-06 17:42:02 -04:00
Taylor Blau af778cd9be Git 2.32.4
Signed-off-by: Taylor Blau <me@ttaylorr.com>
2022-10-06 17:41:15 -04:00
Taylor Blau 9cbd2827c5 Sync with 2.31.5
Signed-off-by: Taylor Blau <me@ttaylorr.com>
2022-10-06 17:40:44 -04:00
Taylor Blau ecf9b4a443 Git 2.31.5
Signed-off-by: Taylor Blau <me@ttaylorr.com>
2022-10-06 17:39:26 -04:00
Taylor Blau 122512967e Sync with 2.30.6
Signed-off-by: Taylor Blau <me@ttaylorr.com>
2022-10-06 17:39:15 -04:00
Taylor Blau abd4d67ab0 Git 2.30.6
Signed-off-by: Taylor Blau <me@ttaylorr.com>
2022-10-06 17:38:16 -04:00
Noah Betzen edbf9a2e20 mergetool.txt: typofix 'overwriten' -> 'overwritten'
Signed-off-by: Noah Betzen <noah@nezteb.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-05 12:25:56 -07:00
Eric DeCosta 5aa9e3262e fsmonitor: add documentation for allowRemote and socketDir options
Add documentation for 'fsmonitor.allowRemote' and 'fsmonitor.socketDir'.
Call-out experimental nature of 'fsmonitor.allowRemote' and limited
filesystem support for 'fsmonitor.socketDir'.

Signed-off-by: Eric DeCosta <edecosta@mathworks.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-05 11:05:23 -07:00
René Scharfe a79c6b6081 diff: support ^! for merges
revision.c::handle_revision_arg_1() resolves <rev>^! by first adding the
negated parents and then <rev> itself.  builtin_diff_combined() expects
the first tree to be the merge and the remaining ones to be the parents,
though.  This mismatch results in bogus diff output.

Remember the first tree that doesn't belong to a parent and use it
instead of blindly picking the first one.  This makes "git diff <rev>^!"
consistent with "git show <rev>^!".

Reported-by: Tim Jaacks <tim.jaacks@garz-fricke.com>
Suggested-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-01 15:58:38 -07:00
René Scharfe 9f91da752f revisions.txt: unspecify order of resolved parts of ^!
gitrevisions(7) says that <rev>^! resolves to <rev> and then all the
parents of <rev>.  revision.c::handle_revision_arg_1() actually adds
all parents first, then <rev>.  Change the documentation to leave the
order unspecified, to avoid misleading readers.

Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-10-01 15:58:36 -07:00
Taylor Blau a1d4f67c12 transport: make protocol.file.allow be "user" by default
An earlier patch discussed and fixed a scenario where Git could be used
as a vector to exfiltrate sensitive data through a Docker container when
a potential victim clones a suspicious repository with local submodules
that contain symlinks.

That security hole has since been plugged, but a similar one still
exists.  Instead of convincing a would-be victim to clone an embedded
submodule via the "file" protocol, an attacker could convince an
individual to clone a repository that has a submodule pointing to a
valid path on the victim's filesystem.

For example, if an individual (with username "foo") has their home
directory ("/home/foo") stored as a Git repository, then an attacker
could exfiltrate data by convincing a victim to clone a malicious
repository containing a submodule pointing at "/home/foo/.git" with
`--recurse-submodules`. Doing so would expose any sensitive contents in
stored in "/home/foo" tracked in Git.

For systems (such as Docker) that consider everything outside of the
immediate top-level working directory containing a Dockerfile as
inaccessible to the container (with the exception of volume mounts, and
so on), this is a violation of trust by exposing unexpected contents in
the working copy.

To mitigate the likelihood of this kind of attack, adjust the "file://"
protocol's default policy to be "user" to prevent commands that execute
without user input (including recursive submodule initialization) from
taking place by default.

Suggested-by: Jeff King <peff@peff.net>
Signed-off-by: Taylor Blau <me@ttaylorr.com>
2022-10-01 00:23:38 -04:00
Derrick Stolee 1ebe6b0297 maintenance: add 'unregister --force'
The 'git maintenance unregister' subcommand has a step that removes the
current repository from the multi-valued maitenance.repo config key.
This fails if the repository is not listed in that key. This makes
running 'git maintenance unregister' twice result in a failure in the
second instance.

This failure exit code is helpful, but its message is not. Add a new
die() message that explicitly calls out the failure due to the
repository not being registered.

In some cases, users may want to run 'git maintenance unregister' just
to make sure that background jobs will not start on this repository, but
they do not want to check to see if it is registered first. Add a new
'--force' option that will siltently succeed if the repository is not
already registered.

Also add an extra test of 'git maintenance unregister' at a point where
there are no registered repositories. This should fail without --force.

Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-27 09:32:25 -07:00
Martin Ågren 32c6fff4b8 cmd-list.perl: fix identifying man sections
We attribute each documentation text file to a man section by finding a
line in the file that looks like "gitfoo(<digit>)". Commit cc75e556a9
("scalar: add to 'git help -a' command list", 2022-09-02) updated this
logic to look not only for "gitfoo" but also "scalarfoo". In doing so,
it forgot to account for the fact that after the updated regex has found
a match, the man section is no longer to be found in `$1` but now lives
in `$2`.

This makes our git(1) manpage look as follows:

  Main porcelain commands
       git-add(git)
           Add file contents to the index.

  [...]

       gitk(git)
           The Git repository browser.

       scalar(scalar)
           A tool for managing large Git repositories.

Restore the man sections by not capturing the (git|scalar) part of the
match into `$1`.

As noted by Ævar [1], we could even match any "foo" rather than just
"gitfoo" and "scalarfoo", but that's a larger change. For now, just fix
the regression in cc75e556a9.

[1] https://lore.kernel.org/git/220923.86wn9u4joo.gmgdl@evledraar.gmail.com/#t

Helped-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Martin Ågren <martin.agren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-23 10:01:07 -07:00
Junio C Hamano 1b3d6e17fe Git 2.38-rc1
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-21 15:27:03 -07:00
Junio C Hamano 4140830d25 Merge branch 'js/typofix'
* js/typofix:
  Documentation: clean up various typos in technical docs
  Documentation: clean up a few misspelled word typos
2022-09-21 15:27:02 -07:00
Junio C Hamano ac45db1e75 Merge branch 'vd/doc-reviewing-guidelines'
Just like we have coding guidelines, we now have guidelines for
reviewers.

* vd/doc-reviewing-guidelines:
  Documentation: add ReviewingGuidelines
2022-09-21 15:27:02 -07:00
Junio C Hamano 370d3a06a3 Final batch before -rc1
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-21 14:23:14 -07:00
Junio C Hamano 8c88f75909 Merge branch 'tz/tech-docs-to-help-fix'
Docfix for topic already in -rc0.

* tz/tech-docs-to-help-fix:
  api docs: link to html version of api-trace2
  docs: fix a few recently broken links
2022-09-21 14:23:14 -07:00
Đoàn Trần Công Danh 2e092725e6 CodingGuidelines: allow grep -E
Despite forbidden by CodingGuidelines, our usage of 'grep -E' has been
increased over the years, and noone has come and complained.

Let's lift the restriction.

Signed-off-by: Đoàn Trần Công Danh <congdanhqx@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-21 11:00:18 -07:00
Jacob Stopak bbb0c357b8 Documentation: clean up various typos in technical docs
Used GNU "aspell check <filename>" to review various technical
documentation files with the default aspell dictionary. Ignored
false-positives between american and british english.

Signed-off-by: Jacob Stopak <jacob@initialcommit.io>
Reviewed-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-21 10:28:36 -07:00
Jacob Stopak 72991ff558 Documentation: clean up a few misspelled word typos
Used GNU "aspell check <filename>" to review various documentation
files with the default aspell dictionary. Ignored false-positives
between american and british english.

Signed-off-by: Jacob Stopak <jacob@initialcommit.io>
Reviewed-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-21 10:28:35 -07:00
Taylor Blau 757d457907 midx.c: prevent expire from removing the cruft pack
The `expire` sub-command unlinks any packs that are (a) contained in the
MIDX, but (b) have no objects referenced by the MIDX.

This sub-command ignores `.keep` packs, which remain on-disk even if
they have no objects referenced by the MIDX. Cruft packs, however,
aren't given the same treatment: if none of the objects contained in the
cruft pack are selected from the cruft pack by the MIDX, then the cruft
pack is eligible to be expired.

This is less than desireable, since the cruft pack has important
metadata about the individual object mtimes, which is useful to
determine how quickly an object should age out of the repository when
pruning.

Ordinarily, we wouldn't expect the contents of a cruft pack to
duplicated across non-cruft packs (and we'd expect to see the MIDX
select all cruft objects from other sources even less often). But
nonetheless, it is still possible to trick the `expire` sub-command into
removing the `.mtimes` file in this circumstance.

Teach the `expire` sub-command to ignore cruft packs in the same manner
as it does `.keep` packs, in order to keep their metadata around, even
when they are unreferenced by the MIDX.

Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-21 10:21:46 -07:00
Taylor Blau 2a91b35fce Documentation/git-multi-pack-index.txt: clarify expire behavior
The `expire` sub-command of `git multi-pack-index` will never expire
`.keep` packs, regardless of whether or not any of their objects were
selected in the MIDX.

This has always been the case since 19575c7c8e (multi-pack-index:
implement 'expire' subcommand, 2019-06-10), which came after cff9711616
(multi-pack-index: prepare for 'expire' subcommand, 2019-06-10), when
this documentation was originally written.

Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-21 10:21:46 -07:00
Taylor Blau 2699542824 Documentation/git-multi-pack-index.txt: fix typo
Remove the extra space character between "tracked" and "by", which dates
back to when this paragraph was originally written in cff9711616
(multi-pack-index: prepare for 'expire' subcommand, 2019-06-10).

Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-21 10:21:46 -07:00
Victoria Dye e01b851923 Documentation: add ReviewingGuidelines
Add a reviewing guidelines document including advice and common terminology
used in Git mailing list reviews. The document is included in the
'TECH_DOCS' list in order to include it in Git's published documentation.

Helped-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Helped-by: Derrick Stolee <derrickstolee@github.com>
Helped-by: Junio C Hamano <gitster@pobox.com>
Helped-by: Josh Steadmon <steadmon@google.com>
Signed-off-by: Victoria Dye <vdye@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-19 14:36:08 -07:00
Junio C Hamano dda7228a83 A bit more of remaining topics before -rc1
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-19 14:35:25 -07:00
Junio C Hamano 42bf77c7d0 Merge branch 'vd/scalar-to-main'
Hoist the remainder of "scalar" out of contrib/ to the main part of
the codebase.

* vd/scalar-to-main:
  Documentation/technical: include Scalar technical doc
  t/perf: add 'GIT_PERF_USE_SCALAR' run option
  t/perf: add Scalar performance tests
  scalar-clone: add test coverage
  scalar: add to 'git help -a' command list
  scalar: implement the `help` subcommand
  git help: special-case `scalar`
  scalar: include in standard Git build & installation
  scalar: fix command documentation section header
2022-09-19 14:35:25 -07:00
Junio C Hamano 819fb68222 environ: GIT_INDEX_VERSION affects not just a new repository
The variable is consulted whenever we write the index file.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-16 09:45:22 -07:00
Junio C Hamano b724df6b55 environ: simplify description of GIT_INDEX_FILE
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-16 09:45:21 -07:00
Sergey Organov c34a6bd291 diff-merges: clarify log.diffMerges documentation
Signed-off-by: Sergey Organov <sorganov@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-16 09:21:44 -07:00
Todd Zullinger 4945f046c7 api docs: link to html version of api-trace2
In f6d25d7878 (api docs: document that BUG() emits a trace2 error event,
2021-04-13), a link to the plain text version of api-trace2 was added in
`technical/api-error-handling.txt`.

All of our other `link:`s point to the html versions.  Do the same here.

Signed-off-by: Todd Zullinger <tmz@pobox.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-16 08:39:11 -07:00
Todd Zullinger 086eaab8da docs: fix a few recently broken links
Some links were broken in the recent move of various technical docs
c0f6dd49f1 (Merge branch 'ab/tech-docs-to-help', 2022-08-14).

Fix them.

Signed-off-by: Todd Zullinger <tmz@pobox.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-16 08:38:03 -07:00
Junio C Hamano d3fa443f97 Git 2.38-rc0
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-15 16:09:47 -07:00
Junio C Hamano 5ff02db75b Merge branch 'js/typofix'
Typofix.

* js/typofix:
  Documentation: fix various repeat word typos
2022-09-15 16:09:46 -07:00
Junio C Hamano fd01795beb environ: GIT_FLUSH should be made a usual Boolean
This uses atoi() and checks if the result is not zero to decide what
to do.  Turning it into the usual Boolean environment variable to
use git_env_bool() would not break those who have been using "set to
0, or set to non-zero, that can be parsed with atoi()" values, but
will match the expectation of those who expected "true" to mean
"yes".

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-15 11:34:51 -07:00
Junio C Hamano 80f0b3f397 environ: explain Boolean environment variables
Many environment variables use the git_env_bool() API to parse their
values, and allow the usual "true/yes/on are true, false/no/off are
false. In addition non-zero numbers are true and zero is false.  An
empty string is also false." set of values.

Mark them as such, and consistently say "true" or "false", instead
of random mixes of '1', '0', 'yes', 'true', etc. in their
description.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-15 11:34:51 -07:00
Junio C Hamano 29491ca5fd environ: document GIT_SSL_NO_VERIFY
Even though the name of the environment variable is mentioned in
"git config --help" from http.sslVerify, there is no description for
it.  Add one.

Note that this is not a usual Boolean environment variable whose
value can be yes/true/on vs no/false/off; the existence of it is
enough to trigger the feature named by the variable.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-15 11:34:51 -07:00
Junio C Hamano 36f8e7ed7d Prepare for 2.38-rc0
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-14 12:56:41 -07:00
Junio C Hamano 7a54d74045 Merge branch 'ab/dedup-config-and-command-docs'
Share the text used to explain configuration variables used by "git
<subcmd>" in "git help <subcmd>" with the text from "git help config".

* ab/dedup-config-and-command-docs:
  docs: add CONFIGURATION sections that fuzzy map to built-ins
  docs: add CONFIGURATION sections that map to a built-in
  log docs: de-duplicate configuration sections
  difftool docs: de-duplicate configuration sections
  notes docs: de-duplicate and combine configuration sections
  apply docs: de-duplicate configuration sections
  send-email docs: de-duplicate configuration sections
  grep docs: de-duplicate configuration sections
  docs: add and use include template for config/* includes
2022-09-14 12:56:40 -07:00
Junio C Hamano e188ec3a73 Sync with 'maint' 2022-09-13 12:23:48 -07:00
Junio C Hamano a0feb8611d Merge a handful of topics from the 'master' front
As the 'master' front will soon tag a preview and then release
candidates for 2.38, it is unknown if we are going to issue another
maintenance release on the 2.37.x track, but as we have accumulated
enough material there, let's prepare a draft for it.

Even if we end up not tagging 2.37.4, it would help motivated distro
packagers to maintain their slightly older and "more stable" versions.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-13 12:22:59 -07:00
Junio C Hamano 21dd13e025 The twentieth batch
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-13 11:38:25 -07:00
Jacob Stopak c9dba103dd Documentation: fix various repeat word typos
Inspired by 24966cd982 ("doc: fix repeated words", 08-09-2019),
I ran "egrep -R "\<([a-zA-Z]+)\> \<\1\>" ./Documentation/*" to
find current cases of repeated words such as "the the" that were
quite clearly typos.

There were many false positives reported, such as "really really"
or valid uses of "that that" which I left alone.

Signed-off-by: Jacob Stopak <jacob@initialcommit.io>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-12 11:04:55 -07:00
Junio C Hamano dd3f6c4cae The nineteenth batch
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-09 12:02:26 -07:00
Junio C Hamano 00b0199c51 Merge branch 'cc/doc-trailer-whitespace-rules'
Doc update.

* cc/doc-trailer-whitespace-rules:
  Documentation: clarify whitespace rules for trailers
2022-09-09 12:02:25 -07:00
Junio C Hamano 0e2a4764ed Merge branch 'jc/format-patch-force-in-body-from'
"git format-patch --from=<ident>" can be told to add an in-body
"From:" line even for commits that are authored by the given
<ident> with "--force-in-body-from"option.

* jc/format-patch-force-in-body-from:
  format-patch: learn format.forceInBodyFrom configuration variable
  format-patch: allow forcing the use of in-body From: header
  pretty: separate out the logic to decide the use of in-body from
2022-09-09 12:02:25 -07:00
Junio C Hamano 428dce9f4d Merge branch 'js/range-diff-with-pathspec'
Allow passing a pathspec to "git range-diff".

* js/range-diff-with-pathspec:
  range-diff: optionally accept pathspecs
  range-diff: consistently validate the arguments
  range-diff: reorder argument handling
2022-09-09 12:02:25 -07:00
Ævar Arnfjörð Bjarmason 9274dea3d9 docs: add CONFIGURATION sections that fuzzy map to built-ins
Add a CONFIGURATION section to the documentation of various built-ins,
for those cases where the relevant config/NAME.txt doesn't map only to
one git-NAME.txt. In particular:

 * config/blame.txt: used by git-{blame,annotate}.txt. Since the
   git-annotate(1) documentation refers to git-blame(1) don't add a
   "CONFIGURATION" section to git-annotate(1), only to git-blame(1).

 * config/checkout.txt: maps to both git-checkout.txt and
   git-switch.txt (but nothing else).

 * config/init.txt: should be included in git-init(1) and
   git-clone(1).

 * config/column.txt: We should ideally mention the relevant subset of
   this in git-{branch,clean,status,tag}.txt, but let's punt on it for
   now. We will when we eventually split these sort of files into
   e.g. config/column.txt and
   config/column/{branch,clean,status,tag}.txt, with the former
   including the latter set.

Things that are being left out, and why:

 * config/{remote,remotes,credential}.txt: Configuration that affects
   how we talk to remote repositories is harder to untangle. We'll need
   to include some of this in git-{fetch,remote,push,ls-remote}.txt
   etc., but some of those only use a small subset of these
   options. Let's leave this for now.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Reviewed-by: Matheus Tavares <matheus.bernardino@usp.br>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-07 09:46:07 -07:00
Ævar Arnfjörð Bjarmason 16f6b0d1aa docs: add CONFIGURATION sections that map to a built-in
Add a CONFIGURATION section to the documentation of various built-ins,
for those cases where the relevant config/NAME.txt describes
configuration that is only used by the relevant built-in documented in
git-NAME.txt. Subsequent commits will handle more complex cases.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Reviewed-by: Matheus Tavares <matheus.bernardino@usp.br>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-07 09:46:06 -07:00
Ævar Arnfjörð Bjarmason 00c80534f6 log docs: de-duplicate configuration sections
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Reviewed-by: Matheus Tavares <matheus.bernardino@usp.br>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-07 09:46:06 -07:00
Ævar Arnfjörð Bjarmason 2a9dfdf260 difftool docs: de-duplicate configuration sections
Include the "config/difftool.txt" file in "git-difftool.txt", and move
the relevant part of git-difftool(1) configuration from
"config/diff.txt" to config/difftool.txt".

Doing this is slightly odd, as we usually discuss configuration in
alphabetical order, but by doing it we're able to include the full set
of configuration used by git-difftool(1) (and only that configuration)
in its own documentation.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Reviewed-by: Matheus Tavares <matheus.bernardino@usp.br>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-07 09:46:06 -07:00
Ævar Arnfjörð Bjarmason 5bd277e2e2 notes docs: de-duplicate and combine configuration sections
Combine the various "notes" configuration sections spread across
Documentation/config/notes.txt and Documentation/git-notes.txt to live
in the former, and to be included in the latter.

We'll now forward link from "git notes" to the "CONFIGURATION" section
below, rather than to "git-config(1)" when discussing configuration
variables that are (also) discussed in that section.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Reviewed-by: Matheus Tavares <matheus.bernardino@usp.br>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-07 09:46:06 -07:00
Ævar Arnfjörð Bjarmason 416fed246f apply docs: de-duplicate configuration sections
The wording is not identical to Documentation/config/apply.txt, but
that version is better.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Reviewed-by: Matheus Tavares <matheus.bernardino@usp.br>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-07 09:46:05 -07:00
Ævar Arnfjörð Bjarmason bac1d52cfe send-email docs: de-duplicate configuration sections
De-duplicate the discussion of "send-email" configuration, such that
the "git-config(1)" manual page becomes the source of truth, and
"git-send-email(1)" includes the relevant part.

Most commands that suffered from such duplication had diverging text
discussing the same variables, but in this case some config was also
only discussed in one or the other.

This is mostly a move-only change, the exception is a minor rewording
of changing wording like "see above" to "see linkgit:git-config[1]",
as well as a clarification about the big section of command-line
option tweaking config being discussed in git-send-email(1)'s main
docs.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Reviewed-by: Matheus Tavares <matheus.bernardino@usp.br>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-07 09:46:05 -07:00
Ævar Arnfjörð Bjarmason a2811dd7c4 grep docs: de-duplicate configuration sections
Include the "config/grep.txt" file in "git-grep.txt", instead of
repeating an almost identical description of the "grep" configuration
variables in two places.

There is no loss of information here that isn't shown in the addition
to "grep.txt". This change was made by copying the contents of
"git-grep.txt"'s version over the "grep.txt" version. Aside from the
change "grep.txt" being made here the two were identical.

This documentation started being copy/pasted around in
b22520a37c (grep: allow -E and -n to be turned on by default via
configuration, 2011-03-30). After that in e.g. 6453f7b348 (grep: add
grep.fullName config variable, 2014-03-17) they started drifting
apart, with only grep.fullName being described in the command
documentation.

In 434e6e753f (config.txt: move grep.* to a separate file,
2018-10-27) we gained the include, but didn't do this next step, let's
do it now.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Reviewed-by: Matheus Tavares <matheus.bernardino@usp.br>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-07 09:46:05 -07:00
Ævar Arnfjörð Bjarmason 18d89fe25c docs: add and use include template for config/* includes
In b6a8d09f6d (gc docs: include the "gc.*" section from "config" in
"gc", 2019-04-07) the "git gc" documentation was made to include the
config/gc.txt in its "CONFIGURATION" section. We do that in several
other places, but "git gc" was the only one with a blurb above the
include to orient the reader.

We don't want readers to carefully scrutinize "git-config(1)" and
"git-gc(1)" looking for discrepancies, instead we should tell them
that the latter includes a part of the former.

This change formalizes that wording in two new templates to be
included, one for the "git gc" case where the entire section is
included from "git-config(1)", and another for when the inclusion of
"git-config(1)" follows discussion unique to that documentation. In
order to use that re-arrange the order of those being discussed in the
"git-merge(1)" documentation.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Reviewed-by: Matheus Tavares <matheus.bernardino@usp.br>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-07 09:46:05 -07:00
Junio C Hamano 79f2338b37 The eighteenth batch
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-05 18:33:41 -07:00
Junio C Hamano 3fe0121479 Merge branch 'ac/bitmap-lookup-table'
The pack bitmap file gained a bitmap-lookup table to speed up
locating the necessary bitmap for a given commit.

* ac/bitmap-lookup-table:
  pack-bitmap-write: drop unused pack_idx_entry parameters
  bitmap-lookup-table: add performance tests for lookup table
  pack-bitmap: prepare to read lookup table extension
  pack-bitmap-write: learn pack.writeBitmapLookupTable and add tests
  pack-bitmap-write.c: write lookup table extension
  bitmap: move `get commit positions` code to `bitmap_writer_finish`
  Documentation/technical: describe bitmap lookup table extension
2022-09-05 18:33:39 -07:00
Victoria Dye 9eb7a73158 Documentation/technical: include Scalar technical doc
Include 'Documentation/technical/scalar.txt' alongside the other HTML
technical docs when installing them.

Now that the document is intended as a widely-accessible reference, remove
the internal work-in-progress roadmap from the document. Those details
should no longer be needed to guide Scalar's development and, if they were
left, they could fall out-of-date and be misleading to readers.

Signed-off-by: Victoria Dye <vdye@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-02 10:02:56 -07:00
Victoria Dye cc75e556a9 scalar: add to 'git help -a' command list
Add 'scalar' as a 'mainporcelain' command in the Git command list. Update
the regex in 'cmd-list.perl' used to match the first line of command
documentation to find 'scalar(1)'.

Helped-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Victoria Dye <vdye@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-02 10:02:56 -07:00
Victoria Dye 7b5c93c6c6 scalar: include in standard Git build & installation
Move 'scalar' out of 'contrib/' and into the root of the Git tree. The goal
of this change is to build 'scalar' as part of the standard Git build &
install processes.

This patch includes both the physical move of Scalar's files out of
'contrib/' ('scalar.c', 'scalar.txt', and 't9xxx-scalar.sh'), and the
changes to the build definitions in 'Makefile' and 'CMakelists.txt' to
accommodate the new program.

At a high level, Scalar is built so that:
- there is a 'scalar-objs' target (similar to those created in 029bac01a8
  (Makefile: add {program,xdiff,test,git,fuzz}-objs & objects targets,
  2021-02-23)) for debugging purposes.
- it appears in the root of the install directory (rather than the
  gitexecdir).
- it is included in the 'bin-wrappers/' directory for use in tests.
- it receives a platform-specific executable suffix (e.g., '.exe'), if
  applicable.
- 'scalar.txt' is installed as 'man1' documentation.
- the 'clean' target removes the 'scalar' executable.

Additionally, update the root level '.gitignore' file to ignore the Scalar
executable.

Signed-off-by: Victoria Dye <vdye@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-02 10:02:55 -07:00
Junio C Hamano be1a02a17e The seventeenth batch
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-09-01 13:40:19 -07:00
Junio C Hamano d528044c83 Merge branch 'sg/parse-options-subcommand'
Introduce the "subcommand" mode to parse-options API and update the
command line parser of Git commands with subcommands.

* sg/parse-options-subcommand: (23 commits)
  remote: run "remote rm" argv through parse_options()
  maintenance: add parse-options boilerplate for subcommands
  pass subcommand "prefix" arguments to parse_options()
  builtin/worktree.c: let parse-options parse subcommands
  builtin/stash.c: let parse-options parse subcommands
  builtin/sparse-checkout.c: let parse-options parse subcommands
  builtin/remote.c: let parse-options parse subcommands
  builtin/reflog.c: let parse-options parse subcommands
  builtin/notes.c: let parse-options parse subcommands
  builtin/multi-pack-index.c: let parse-options parse subcommands
  builtin/hook.c: let parse-options parse subcommands
  builtin/gc.c: let parse-options parse 'git maintenance's subcommands
  builtin/commit-graph.c: let parse-options parse subcommands
  builtin/bundle.c: let parse-options parse subcommands
  parse-options: add support for parsing subcommands
  parse-options: drop leading space from '--git-completion-helper' output
  parse-options: clarify the limitations of PARSE_OPT_NODASH
  parse-options: PARSE_OPT_KEEP_UNKNOWN only applies to --options
  api-parse-options.txt: fix description of OPT_CMDMODE
  t0040-parse-options: test parse_options() with various 'parse_opt_flags'
  ...
2022-09-01 13:40:18 -07:00
Junio C Hamano 68ef0425d9 Merge branch 'ds/bundle-uri-clone'
Implement "git clone --bundle-uri".

* ds/bundle-uri-clone:
  clone: warn on failure to repo_init()
  clone: --bundle-uri cannot be combined with --depth
  bundle-uri: add support for http(s):// and file://
  clone: add --bundle-uri option
  bundle-uri: create basic file-copy logic
  remote-curl: add 'get' capability
2022-09-01 13:40:17 -07:00
Junio C Hamano d42b38dfb5 Git 2.37.3
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Sync with Git 2.37.3
2022-08-30 10:27:16 -07:00
Junio C Hamano ac8035a2af Git 2.37.3
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-30 10:22:10 -07:00
Christian Couder b46dd1726c Documentation: clarify whitespace rules for trailers
Commit e4319562bc (trailer: be stricter in parsing separators, 2016-11-02)
restricted whitespaces allowed by `git interpret-trailers` in the "token"
part of the trailers it reads. This commit didn't update the related
documentation in Documentation/git-interpret-trailers.txt though.

Also commit 60ef86a162 (trailer: support values folded to multiple lines,
2016-10-21) updated the documentation, but didn't make it clear how many
whitespace characters are allowed at the beginning of new lines in folded
values.

Let's fix both of these issues by rewriting the paragraph describing
what whitespaces are allowed by `git interpret-trailers` in the trailers
it reads.

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-30 10:17:34 -07:00
Junio C Hamano 6c8e4ee870 The sixteenth batch
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-29 14:55:15 -07:00
Junio C Hamano 10ccb50b16 Merge branch 'tl/trace2-config-scope'
Tweak trace2 output about configuration variables.

* tl/trace2-config-scope:
  tr2: shows scope unconditionally in addition to key-value pair
  api-trace2.txt: print config key-value pair
2022-08-29 14:55:13 -07:00
Junio C Hamano bc820cf9e6 Merge branch 'vd/scalar-enables-fsmonitor'
"scalar" now enables built-in fsmonitor on enlisted repositories,
when able.

* vd/scalar-enables-fsmonitor:
  scalar: update technical doc roadmap with FSMonitor support
  scalar unregister: stop FSMonitor daemon
  scalar: enable built-in FSMonitor on `register`
  scalar: move config setting logic into its own function
  scalar-delete: do not 'die()' in 'delete_enlistment()'
  scalar-[un]register: clearly indicate source of error
  scalar-unregister: handle error codes greater than 0
  scalar: constrain enlistment search
2022-08-29 14:55:12 -07:00
Junio C Hamano 0b08ba7eb6 Merge branch 'en/ancestry-path-in-a-range'
"git rev-list --ancestry-path=C A..B" is a natural extension of
"git rev-list A..B"; instead of choosing a subset of A..B to those
that have ancestry relationship with A, it lets a subset with
ancestry relationship with C.

* en/ancestry-path-in-a-range:
  revision: allow --ancestry-path to take an argument
  t6019: modernize tests with helper
  rev-list-options.txt: fix simple typo
2022-08-29 14:55:11 -07:00
Junio C Hamano c068a3b8ee Merge branch 'ds/decorate-filter-tweak'
The namespaces used by "log --decorate" from "refs/" hierarchy by
default has been tightened.

* ds/decorate-filter-tweak:
  fetch: use ref_namespaces during prefetch
  maintenance: stop writing log.excludeDecoration
  log: create log.initialDecorationSet=all
  log: add --clear-decorations option
  log: add default decoration filter
  log-tree: use ref_namespaces instead of if/else-if
  refs: use ref_namespaces for replace refs base
  refs: add array of ref namespaces
  t4207: test coloring of grafted decorations
  t4207: modernize test
  refs: allow "HEAD" as decoration filter
2022-08-29 14:55:11 -07:00
Junio C Hamano d5fc07df68 format-patch: learn format.forceInBodyFrom configuration variable
As the need to use the "--force-in-body-from" option primarily is
tied to which mailing list the mails go to (and get their From:
address mangled), it is likely that a user who needs to use this
option once to interact with their upstream project needs to use it
for all patches they send out.

Add a configuration variable, suitable for setting in the local
configuration file per repository, for this.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-29 14:39:13 -07:00
Junio C Hamano 34bc1b1045 format-patch: allow forcing the use of in-body From: header
Users may be authoring and committing their commits under the same
e-mail address they use to send their patches from, in which case
they shouldn't need to use the in-body From: line in their outgoing
e-mails.  At the receiving end, "git am" will use the address on the
"From:" header of the incoming e-mail and all should be well.

Some mailing lists, however, mangle the From: address from what the
original sender had; in such a situation, the user may want to add
the in-body "From:" header even for their own patches.

"git format-patch --[no-]force-in-body-from" was invented for such
users.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-29 14:39:13 -07:00
Junio C Hamano 07ee72db0e Sync with 'maint' 2022-08-26 11:14:11 -07:00
Junio C Hamano 0f5bd024f2 A handful more topics from the 'master' front for 2.37.3
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-26 11:13:13 -07:00
Junio C Hamano 842c912fc7 Merge branch 'po/doc-add-renormalize' into maint
Documentation for "git add --renormalize" has been improved.
source: <20220810144450.470-2-philipoakley@iee.email>

* po/doc-add-renormalize:
  doc add: renormalize is not idempotent for CRCRLF
2022-08-26 11:13:13 -07:00
Junio C Hamano ed051d4024 Merge branch 'gc/git-reflog-doc-markup' into maint
Doc mark-up fix.
source: <pull.1304.git.git.1659387885711.gitgitgadget@gmail.com>

* gc/git-reflog-doc-markup:
  Documentation/git-reflog: remove unneeded \ from \{
2022-08-26 11:13:11 -07:00
Abhradeep Chakraborty 76f14b777c pack-bitmap-write: learn pack.writeBitmapLookupTable and add tests
Teach Git to provide a way for users to enable/disable bitmap lookup
table extension by providing a config option named 'writeBitmapLookupTable'.
Default is false.

Also add test to verify writting of lookup table.

Mentored-by: Taylor Blau <me@ttaylorr.com>
Co-Mentored-by: Kaartic Sivaraam <kaartic.sivaraam@gmail.com>
Co-Authored-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Abhradeep Chakraborty <chakrabortyabhradeep79@gmail.com>
Reviewed-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-26 10:13:54 -07:00
Abhradeep Chakraborty e9977b12fd Documentation/technical: describe bitmap lookup table extension
When reading bitmap file, Git loads each and every bitmap one by one
even if all the bitmaps are not required. A "bitmap lookup table"
extension to the bitmap format can reduce the overhead of loading
bitmaps which stores a list of bitmapped commit id pos (in the midx
or pack, along with their offset and xor offset. This way Git can
load only the necessary bitmaps without loading the previous bitmaps.

Older versions of Git ignore the lookup table extension and don't
throw any kind of warning or error while parsing the bitmap file.

Add some information for the new "bitmap lookup table" extension in the
bitmap-format documentation.

Mentored-by: Taylor Blau <me@ttaylorr.com>
Co-Mentored-by: Kaartic Sivaraam <kaartic.sivaraam@gmail.com>
Co-Authored-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Abhradeep Chakraborty <chakrabortyabhradeep79@gmail.com>
Reviewed-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-26 10:13:33 -07:00
Johannes Schindelin b75747829f range-diff: optionally accept pathspecs
The `git range-diff` command can be quite expensive, which is not a
surprise given that the underlying algorithm to match up pairs of
commits between the provided two commit ranges has a cubic runtime.

Therefore it makes sense to restrict the commit ranges as much as
possible, to reduce the amount of input to that O(N^3) algorithm.

In chatty repositories with wide trees, this is not necessarily
possible merely by choosing commit ranges wisely.

Let's give users another option to restrict the commit ranges: by
providing a pathspec. That helps in repositories with wide trees because
it is likely that the user has a good idea which subset of the tree they
are actually interested in.

Example:

	git range-diff upstream/main upstream/seen HEAD -- range-diff.c

This shows commits that are either in the local branch or in `seen`, but
not in `main`, skipping all commits that do not touch `range-diff.c`.

Note: Since we piggy-back the pathspecs onto the `other_arg` mechanism
that was introduced to be able to pass through the `--notes` option to
the revision machinery, we must now ensure that the `other_arg` array is
appended at the end (the revision range must come before the pathspecs,
if any).

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-26 09:49:26 -07:00
Junio C Hamano 7c46ea0ded The fifteenth batch
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-25 14:42:32 -07:00
Junio C Hamano f00ddc9f48 Merge branch 'vd/scalar-generalize-diagnose'
The "diagnose" feature to create a zip archive for diagnostic
material has been lifted from "scalar" and made into a feature of
"git bugreport".

* vd/scalar-generalize-diagnose:
  scalar: update technical doc roadmap
  scalar-diagnose: use 'git diagnose --mode=all'
  builtin/bugreport.c: create '--diagnose' option
  builtin/diagnose.c: add '--mode' option
  builtin/diagnose.c: create 'git diagnose' builtin
  diagnose.c: add option to configure archive contents
  scalar-diagnose: move functionality to common location
  scalar-diagnose: move 'get_disk_info()' to 'compat/'
  scalar-diagnose: add directory to archiver more gently
  scalar-diagnose: avoid 32-bit overflow of size_t
  scalar-diagnose: use "$GIT_UNZIP" in test
2022-08-25 14:42:32 -07:00
Junio C Hamano f677f62970 Merge branch 'ds/bundle-uri-clone' into ds/bundle-uri-3
* ds/bundle-uri-clone:
  clone: warn on failure to repo_init()
  clone: --bundle-uri cannot be combined with --depth
  bundle-uri: add support for http(s):// and file://
  clone: add --bundle-uri option
  bundle-uri: create basic file-copy logic
  remote-curl: add 'get' capability
2022-08-24 16:05:16 -07:00
SZEDER Gábor fa83cc834d parse-options: add support for parsing subcommands
Several Git commands have subcommands to implement mutually exclusive
"operation modes", and they usually parse their subcommand argument
with a bunch of if-else if statements.

Teach parse-options to handle subcommands as well, which will result
in shorter and simpler code with consistent error handling and error
messages on unknown or missing subcommand, and it will also make
possible for our Bash completion script to handle subcommands
programmatically.

The approach is guided by the following observations:

  - Most subcommands [1] are implemented in dedicated functions, and
    most of those functions [2] either have a signature matching the
    'int cmd_foo(int argc, const char **argc, const char *prefix)'
    signature of builtin commands or can be trivially converted to
    that signature, because they miss only that last prefix parameter
    or have no parameters at all.

  - Subcommand arguments only have long form, and they have no double
    dash prefix, no negated form, and no description, and they don't
    take any arguments, and can't be abbreviated.

  - There must be exactly one subcommand among the arguments, or zero
    if the command has a default operation mode.

  - All arguments following the subcommand are considered to be
    arguments of the subcommand, and, conversely, arguments meant for
    the subcommand may not preceed the subcommand.

So in the end subcommand declaration and parsing would look something
like this:

    parse_opt_subcommand_fn *fn = NULL;
    struct option builtin_commit_graph_options[] = {
        OPT_STRING(0, "object-dir", &opts.obj_dir, N_("dir"),
                   N_("the object directory to store the graph")),
        OPT_SUBCOMMAND("verify", &fn, graph_verify),
        OPT_SUBCOMMAND("write", &fn, graph_write),
        OPT_END(),
    };
    argc = parse_options(argc, argv, prefix, options,
                         builtin_commit_graph_usage, 0);
    return fn(argc, argv, prefix);

Here each OPT_SUBCOMMAND specifies the name of the subcommand and the
function implementing it, and the address of the same 'fn' subcommand
function pointer.  parse_options() then processes the arguments until
it finds the first argument matching one of the subcommands, sets 'fn'
to the function associated with that subcommand, and returns, leaving
the rest of the arguments unprocessed.  If none of the listed
subcommands is found among the arguments, parse_options() will show
usage and abort.

If a command has a default operation mode, 'fn' should be initialized
to the function implementing that mode, and parse_options() should be
invoked with the PARSE_OPT_SUBCOMMAND_OPTIONAL flag.  In this case
parse_options() won't error out when not finding any subcommands, but
will return leaving 'fn' unchanged.  Note that if that default
operation mode has any --options, then the PARSE_OPT_KEEP_UNKNOWN_OPT
flag is necessary as well (otherwise parse_options() would error out
upon seeing the unknown option meant to the default operation mode).

Some thoughts about the implementation:

  - The same pointer to 'fn' must be specified as 'value' for each
    OPT_SUBCOMMAND, because there can be only one set of mutually
    exclusive subcommands; parse_options() will BUG() otherwise.

    There are other ways to tell parse_options() where to put the
    function associated with the subcommand given on the command line,
    but I didn't like them:

      - Change parse_options()'s signature by adding a pointer to
        subcommand function to be set to the function associated with
        the given subcommand, affecting all callsites, even those that
        don't have subcommands.

      - Introduce a specific parse_options_and_subcommand() variant
        with that extra funcion parameter.

  - I decided against automatically calling the subcommand function
    from within parse_options(), because:

      - There are commands that have to perform additional actions
        after option parsing but before calling the function
        implementing the specified subcommand.

      - The return code of the subcommand is usually the return code
        of the git command, but preserving the return code of the
        automatically called subcommand function would have made the
        API awkward.

  - Also add a OPT_SUBCOMMAND_F() variant to allow specifying an
    option flag: we have two subcommands that are purposefully
    excluded from completion ('git remote rm' and 'git stash save'),
    so they'll have to be specified with the PARSE_OPT_NOCOMPLETE
    flag.

  - Some of the 'parse_opt_flags' don't make sense with subcommands,
    and using them is probably just an oversight or misunderstanding.
    Therefore parse_options() will BUG() when invoked with any of the
    following flags while the options array contains at least one
    OPT_SUBCOMMAND:

      - PARSE_OPT_KEEP_DASHDASH: parse_options() stops parsing
        arguments when encountering a "--" argument, so it doesn't
        make sense to expect and keep one before a subcommand, because
        it would prevent the parsing of the subcommand.

        However, this flag is allowed in combination with the
        PARSE_OPT_SUBCOMMAND_OPTIONAL flag, because the double dash
        might be meaningful for the command's default operation mode,
        e.g. to disambiguate refs and pathspecs.

      - PARSE_OPT_STOP_AT_NON_OPTION: As its name suggests, this flag
        tells parse_options() to stop as soon as it encouners a
        non-option argument, but subcommands are by definition not
        options...  so how could they be parsed, then?!

      - PARSE_OPT_KEEP_UNKNOWN: This flag can be used to collect any
        unknown --options and then pass them to a different command or
        subsystem.  Surely if a command has subcommands, then this
        functionality should rather be delegated to one of those
        subcommands, and not performed by the command itself.

        However, this flag is allowed in combination with the
        PARSE_OPT_SUBCOMMAND_OPTIONAL flag, making possible to pass
        --options to the default operation mode.

  - If the command with subcommands has a default operation mode, then
    all arguments to the command must preceed the arguments of the
    subcommand.

    AFAICT we don't have any commands where this makes a difference,
    because in those commands either only the command accepts any
    arguments ('notes' and 'remote'), or only the default subcommand
    ('reflog' and 'stash'), but never both.

  - The 'argv' array passed to subcommand functions currently starts
    with the name of the subcommand.  Keep this behavior.  AFAICT no
    subcommand functions depend on the actual content of 'argv[0]',
    but the parse_options() call handling their options expects that
    the options start at argv[1].

  - To support handling subcommands programmatically in our Bash
    completion script, 'git cmd --git-completion-helper' will now list
    both subcommands and regular --options, if any.  This means that
    the completion script will have to separate subcommands (i.e.
    words without a double dash prefix) from --options on its own, but
    that's rather easy to do, and it's not much work either, because
    the number of subcommands a command might have is rather low, and
    those commands accept only a single --option or none at all.  An
    alternative would be to introduce a separate option that lists
    only subcommands, but then the completion script would need not
    one but two git invocations and command substitutions for commands
    with subcommands.

    Note that this change doesn't affect the behavior of our Bash
    completion script, because when completing the --option of a
    command with subcommands, e.g. for 'git notes --<TAB>', then all
    subcommands will be filtered out anyway, as none of them will
    match the word to be completed starting with that double dash
    prefix.

[1] Except 'git rerere', because many of its subcommands are
    implemented in the bodies of the if-else if statements parsing the
    command's subcommand argument.

[2] Except 'credential', 'credential-store' and 'fsmonitor--daemon',
    because some of the functions implementing their subcommands take
    special parameters.

Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-19 11:13:14 -07:00
SZEDER Gábor 99d86d60e5 parse-options: PARSE_OPT_KEEP_UNKNOWN only applies to --options
The description of 'PARSE_OPT_KEEP_UNKNOWN' starts with "Keep unknown
arguments instead of erroring out".  This is a bit misleading, as this
flag only applies to unknown --options, while non-option arguments are
kept even without this flag.

Update the description to clarify this, and rename the flag to
PARSE_OPTIONS_KEEP_UNKNOWN_OPT to make this obvious just by looking at
the flag name.

Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-19 11:13:14 -07:00
SZEDER Gábor 80882bc5e7 api-parse-options.txt: fix description of OPT_CMDMODE
The description of the 'OPT_CMDMODE' macro states that "enum_val is
set to int_var when ...", but it's the other way around, 'int_var' is
set to 'enum_val'.  Fix this.

Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-19 11:13:14 -07:00
Elijah Newren 257418c590 revision: allow --ancestry-path to take an argument
We have long allowed users to run e.g.
    git log --ancestry-path master..seen
which shows all commits which satisfy all three of these criteria:
  * are an ancestor of seen
  * are not an ancestor of master
  * have master as an ancestor

This commit allows another variant:
    git log --ancestry-path=$TOPIC master..seen
which shows all commits which satisfy all of these criteria:
  * are an ancestor of seen
  * are not an ancestor of master
  * have $TOPIC in their ancestry-path
that last bullet can be defined as commits meeting any of these
criteria:
    * are an ancestor of $TOPIC
    * have $TOPIC as an ancestor
    * are $TOPIC

This also allows multiple --ancestry-path arguments, which can be
used to find commits with any of the given topics in their ancestry
path.

Signed-off-by: Elijah Newren <newren@gmail.com>
Acked-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-19 10:45:08 -07:00
Elijah Newren 11ea33ce44 rev-list-options.txt: fix simple typo
Signed-off-by: Elijah Newren <newren@gmail.com>
Acked-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-19 10:45:07 -07:00
Victoria Dye 8e2841890a scalar: update technical doc roadmap with FSMonitor support
Update the Scalar roadmap to reflect completion of enabling the built-in
FSMonitor in Scalar.

Note that implementation of 'scalar help' was moved to the final set of
changes to move Scalar out of 'contrib/'. This is due to a dependency on
changes to 'git help', as all changes to the main Git tree *exclusively*
implemented to support Scalar are part of that series.

Signed-off-by: Victoria Dye <vdye@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-18 21:35:32 -07:00
Junio C Hamano 795ea8776b The fourteenth batch
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-18 13:07:05 -07:00
Junio C Hamano fddd8b4801 Merge branch 'll/disk-usage-humanise'
"git rev-list --disk-usage" learned to take an optional value
"human" to show the reported value in human-readable format, like
"3.40MiB".

* ll/disk-usage-humanise:
  rev-list: support human-readable output for `--disk-usage`
2022-08-18 13:07:05 -07:00
Junio C Hamano 0d133a3dcf Merge branch 'ds/bundle-uri-more'
The "bundle URI" design gets documented.

* ds/bundle-uri-more:
  bundle-uri: add example bundle organization
  docs: document bundle URI standard
2022-08-18 13:07:04 -07:00
Junio C Hamano 58ded4a4dc Merge branch 'po/doc-add-renormalize'
Documentation for "git add --renormalize" has been improved.

* po/doc-add-renormalize:
  doc add: renormalize is not idempotent for CRCRLF
2022-08-18 13:07:03 -07:00
Junio C Hamano 9bf691b78c The thirteenth batch
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-14 23:19:28 -07:00
Junio C Hamano c0f6dd49f1 Merge branch 'ab/tech-docs-to-help'
Expose a lot of "tech docs" via "git help" interface.

* ab/tech-docs-to-help:
  docs: move http-protocol docs to man section 5
  docs: move cruft pack docs to gitformat-pack
  docs: move pack format docs to man section 5
  docs: move signature docs to man section 5
  docs: move index format docs to man section 5
  docs: move protocol-related docs to man section 5
  docs: move commit-graph format docs to man section 5
  git docs: add a category for file formats, protocols and interfaces
  git docs: add a category for user-facing file, repo and command UX
  git help doc: use "<doc>" instead of "<guide>"
  help.c: remove common category behavior from drop_prefix() behavior
  help.c: refactor drop_prefix() to use a "switch" statement"
2022-08-14 23:19:28 -07:00
Junio C Hamano 3adacc2817 Merge branch 'jc/rerere-autoupdate-doc'
Update documentation on the "--[no-]rerere-autoupdate" option.

* jc/rerere-autoupdate-doc:
  doc: clarify rerere-autoupdate
  doc: consolidate --rerere-autoupdate description
2022-08-14 23:19:27 -07:00
Victoria Dye 43370b1e91 scalar: update technical doc roadmap
Update the Scalar roadmap to reflect the completion of generalizing 'scalar
diagnose' into 'git diagnose' and 'git bugreport --diagnose'.

Signed-off-by: Victoria Dye <vdye@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-12 13:20:03 -07:00
Victoria Dye aac0e8ffee builtin/bugreport.c: create '--diagnose' option
Create a '--diagnose' option for 'git bugreport' to collect additional
information about the repository and write it to a zipped archive.

The '--diagnose' option behaves effectively as an alias for simultaneously
running 'git bugreport' and 'git diagnose'. In the documentation, users are
explicitly recommended to attach the diagnostics alongside a bug report to
provide additional context to readers, ideally reducing some back-and-forth
between reporters and those debugging the issue.

Note that '--diagnose' may take an optional string arg (either 'stats' or
'all'). If specified without the arg, the behavior corresponds to running
'git diagnose' without '--mode'. As with 'git diagnose', this default is
intended to help reduce unintentional leaking of sensitive information).
Users can also explicitly specify '--diagnose=(stats|all)' to generate the
respective archive created by 'git diagnose --mode=(stats|all)'.

Suggested-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Helped-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Victoria Dye <vdye@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-12 13:20:02 -07:00
Victoria Dye 7ecf193f7d builtin/diagnose.c: add '--mode' option
Create '--mode=<mode>' option in 'git diagnose' to allow users to optionally
select non-default diagnostic information to include in the output archive.
Additionally, document the currently-available modes, emphasizing the
importance of not sharing a '--mode=all' archive publicly due to the
presence of sensitive information.

Note that the option parsing callback - 'option_parse_diagnose()' - is added
to 'diagnose.c' rather than 'builtin/diagnose.c' so that it may be reused in
future callers configuring a diagnostics archive.

Helped-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Victoria Dye <vdye@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-12 13:20:02 -07:00
Victoria Dye 6783fd3cef builtin/diagnose.c: create 'git diagnose' builtin
Create a 'git diagnose' builtin to generate a standalone zip archive of
repository diagnostics.

The "diagnose" functionality was originally implemented for Scalar in
aa5c79a331 (scalar: implement `scalar diagnose`, 2022-05-28). However, the
diagnostics gathered are not specific to Scalar-cloned repositories and
can be useful when diagnosing issues in any Git repository.

Helped-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Helped-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Victoria Dye <vdye@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-12 13:20:02 -07:00
Junio C Hamano afa70145a2 The twelfth batch
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-12 13:19:08 -07:00
Junio C Hamano f0e9754a27 Merge branch 'gc/git-reflog-doc-markup'
Doc mark-up fix.

* gc/git-reflog-doc-markup:
  Documentation/git-reflog: remove unneeded \ from \{
2022-08-12 13:19:08 -07:00
Teng Long 35ae40ead3 tr2: shows scope unconditionally in addition to key-value pair
When we specify GIT_TRACE2_CONFIG_PARAMS or trace2.configparams,
trace2 will prints "interesting" config values to log. Sometimes,
when a config set in multiple scope files, the following output
looks like (the irrelevant fields are omitted here as "..."):

...| def_param    |  ...  | core.multipackindex:false
...| def_param    |  ...  | core.multipackindex:false
...| def_param    |  ...  | core.multipackindex:false

As the log shows, even each config in different scope is dumped, but
we don't know which scope it comes from. Therefore, it's better to
add the scope names as well to make them be more recognizable. For
example, when execute:

    $ GIT_TRACE2_PERF=1 \
    > GIT_TRACE2_CONFIG_PARAMS=core.multipackIndex \
    > git rev-list --test-bitmap HEAD"

The following is the ouput (the irrelevant fields are omitted here
as "..."):

Format normal:
... git.c:461 ... def_param scope:system core.multipackindex=false
... git.c:461 ... def_param scope:global core.multipackindex=false
... git.c:461 ... def_param scope:local core.multipackindex=false

Format perf:

... | def_param    | ... | scope:system | core.multipackindex:false
... | def_param    | ... | scope:global | core.multipackindex:false
... | def_param    | ... | scope:local  | core.multipackindex:false

Format event:

{"event":"def_param", ... ,"scope":"system","param":"core.multipackindex","value":"false"}
{"event":"def_param", ... ,"scope":"global","param":"core.multipackindex","value":"false"}
{"event":"def_param", ... ,"scope":"local","param":"core.multipackindex","value":"false"}

Signed-off-by: Teng Long <dyroneteng@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-11 21:05:00 -07:00
Teng Long 050d0dc241 api-trace2.txt: print config key-value pair
It's supported to print "interesting" config key-value paire
to tr2 log by setting "GIT_TRACE2_CONFIG_PARAMS" environment
variable and the "trace2.configparam" config, let's add the
related docs in Documentaion/technical/api-trace2.txt.

Signed-off-by: Teng Long <dyroneteng@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-11 21:05:00 -07:00
Li Linchao 9096451acd rev-list: support human-readable output for --disk-usage
The '--disk-usage' option for git-rev-list was introduced in 16950f8384
(rev-list: add --disk-usage option for calculating disk usage, 2021-02-09).
This is very useful for people inspect their git repo's objects usage
infomation, but the resulting number is quit hard for a human to read.

Teach git rev-list to output a human readable result when using
'--disk-usage'.

Signed-off-by: Li Linchao <lilinchao@oschina.cn>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-11 13:45:23 -07:00
Junio C Hamano 5502f77b69 Git 2.37.2
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Sync with Git 2.37.2
2022-08-10 21:57:59 -07:00
Junio C Hamano ad60dddad7 Git 2.37.2
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-10 21:52:36 -07:00
Derrick Stolee e21e663cd1 clone: --bundle-uri cannot be combined with --depth
A previous change added the '--bundle-uri' option, but did not check
if the --depth parameter was included. Since bundles are not compatible
with shallow clones, provide an error message to the user who is
attempting this combination.

I am leaving this as its own change, separate from the one that
implements '--bundle-uri', because this is more of an advisory for the
user. There is nothing wrong with bootstrapping with bundles and then
fetching a shallow clone. However, that is likely going to involve too
much work for the client _and_ the server. The client will download all
of this bundle information containing the full history of the
repository only to ignore most of it. The server will get a shallow
fetch request, but with a list of haves that might cause a more painful
computation of that shallow pack-file.

Reviewed-by: Josh Steadmon <steadmon@google.com>
Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-10 14:07:37 -07:00
Derrick Stolee 5556891961 clone: add --bundle-uri option
Cloning a remote repository is one of the most expensive operations in
Git. The server can spend a lot of CPU time generating a pack-file for
the client's request. The amount of data can clog the network for a long
time, and the Git protocol is not resumable. For users with poor network
connections or are located far away from the origin server, this can be
especially painful.

Add a new '--bundle-uri' option to 'git clone' to bootstrap a clone from
a bundle. If the user is aware of a bundle server, then they can tell
Git to bootstrap the new repository with these bundles before fetching
the remaining objects from the origin server.

Reviewed-by: Josh Steadmon <steadmon@google.com>
Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-10 14:07:37 -07:00
Derrick Stolee b5624a4474 remote-curl: add 'get' capability
A future change will want a way to download a file over HTTP(S) using
the simplest of download mechanisms. We do not want to assume that the
server on the other side understands anything about the Git protocol but
could be a simple static web server.

Create the new 'get' capability for the remote helpers which advertises
that the 'get' command is avalable. A caller can send a line containing
'get <url> <path>' to download the file at <url> into the file at
<path>.

Reviewed-by: Josh Steadmon <steadmon@google.com>
Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-10 14:07:37 -07:00
Derrick Stolee d06ed85dcb bundle-uri: add example bundle organization
The previous change introduced the bundle URI design document. It
creates a flexible set of options that allow bundle providers many ways
to organize Git object data and speed up clones and fetches. It is
particularly important that we have flexibility so we can apply future
advancements as new ideas for efficiently organizing Git data are
discovered.

However, the design document does not provide even an example of how
bundles could be organized, and that makes it difficult to envision how
the feature should work at the end of the implementation plan.

Add a section that details how a bundle provider could work, including
using the Git server advertisement for multiple geo-distributed servers.
This organization is based on the GVFS Cache Servers which have
successfully used similar ideas to provide fast object access and
reduced server load for very large repositories.

Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-10 14:03:17 -07:00
Derrick Stolee 2da14fad8f docs: document bundle URI standard
Introduce the idea of bundle URIs to the Git codebase through an
aspirational design document. This document includes the full design
intended to include the feature in its fully-implemented form. This will
take several steps as detailed in the Implementation Plan section.

By committing this document now, it can be used to motivate changes
necessary to reach these final goals. The design can still be altered as
new information is discovered.

Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-10 14:03:11 -07:00
Philip Oakley efae7ce692 doc add: renormalize is not idempotent for CRCRLF
Bug report
 https://lore.kernel.org/git/AM0PR02MB56357CC96B702244F3271014E8DC9@AM0PR02MB5635.eurprd02.prod.outlook.com/
noted that a file containing /r/r/n needed renormalising twice.

This is by design. Lone CR characters, not paired with an LF, are left
unchanged. Note this limitation of the "clean" filter in the documentation.

Renormalize was introduced at 9472935d81 (add: introduce "--renormalize",
Torsten Bögershausen, 2017-11-16)

Signed-off-by: Philip Oakley <philipoakley@iee.email>
Reviewed-by: Torsten Bögershausen <tboegi@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-10 11:26:38 -07:00
Junio C Hamano c50926e1f4 The eleventh batch
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-08 13:13:14 -07:00
Junio C Hamano 679aad9e82 The tenth batch
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-05 15:55:00 -07:00
Junio C Hamano 95d1613a9f Sync with 'maint' 2022-08-05 15:54:46 -07:00
Junio C Hamano 1e92768aa1 Merge branch 'tb/cat-file-z'
Operating modes like "--batch" of "git cat-file" command learned to
take NUL-terminated input, instead of one-item-per-line.

* tb/cat-file-z:
  builtin/cat-file.c: support NUL-delimited input with `-z`
  t1006: extract --batch-command inputs to variables
2022-08-05 15:52:14 -07:00
Junio C Hamano a5b4466536 Downmerge a bit more for 2.37.x
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-05 15:51:37 -07:00
Junio C Hamano 19177019ed Merge branch 'sg/index-format-doc-update' into maint
Docfix.
source: <20220718085640.7395-1-szeder.dev@gmail.com>

* sg/index-format-doc-update:
  index-format.txt: remove outdated list of supported extensions
2022-08-05 15:51:37 -07:00
Junio C Hamano 94fc8a55c2 Merge branch 'ma/sparse-checkout-cone-doc-fix' into maint
Docfix.
source: <20220718100530.2068354-1-martin.agren@gmail.com>

* ma/sparse-checkout-cone-doc-fix:
  config/core.txt: fix minor issues for `core.sparseCheckoutCone`
2022-08-05 15:51:37 -07:00
Junio C Hamano ef7b9ad032 Merge branch 'ds/doc-wo-whitelist' into maint
Avoid "white/black-list" in documentation and code comments.
source: <pull.1274.v3.git.1658255537.gitgitgadget@gmail.com>

* ds/doc-wo-whitelist:
  transport.c: avoid "whitelist"
  t: avoid "whitelist"
  git.txt: remove redundant language
  git-cvsserver: clarify directory list
  daemon: clarify directory arguments
2022-08-05 15:51:37 -07:00
Junio C Hamano d16978517c Merge branch 'mb/config-document-include' into maint
Add missing documentation for "include" and "includeIf" features in
"git config" file format, which incidentally teaches the command
line completion to include them in its offerings.
source: <pull.1285.v2.git.1658002423864.gitgitgadget@gmail.com>

* mb/config-document-include:
  config.txt: document include, includeIf
2022-08-05 15:51:36 -07:00
Derrick Stolee 3e103ed23f log: create log.initialDecorationSet=all
The previous change introduced the --clear-decorations option for users
who do not want their decorations limited to a narrow set of ref
namespaces.

Add a config option that is equivalent to specifying --clear-decorations
by default.

Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-05 14:13:12 -07:00
Derrick Stolee 748706d713 log: add --clear-decorations option
The previous changes introduced a new default ref filter for decorations
in the 'git log' command. This can be overridden using
--decorate-refs=HEAD and --decorate-refs=refs/, but that is cumbersome
for users.

Instead, add a --clear-decorations option that resets all previous
filters to a blank filter that accepts all refs.

Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-05 14:13:12 -07:00
Derrick Stolee 92156291ca log: add default decoration filter
When a user runs 'git log', they expect a certain set of helpful
decorations. This includes:

* The HEAD ref
* Branches (refs/heads/)
* Stashes (refs/stash)
* Tags (refs/tags/)
* Remote branches (refs/remotes/)
* Replace refs (refs/replace/ or $GIT_REPLACE_REF_BASE)

Each of these namespaces was selected due to existing test cases that
verify these namespaces appear in the decorations. In particular,
stashes and replace refs can have custom colors from the
color.decorate.<slot> config option.

While one test checks for a decoration from notes, it only applies to
the tip of refs/notes/commit (or its configured ref name). Notes form
their own kind of decoration instead. Modify the expected output for the
tests in t4013 that expect this note decoration.  There are several
tests throughout the codebase that verify that --decorate-refs,
--decorate-refs-exclude, and log.excludeDecoration work as designed and
the tests continue to pass without intervention.

However, there are other refs that are less helpful to show as
decoration:

* Prefetch refs (refs/prefetch/)
* Rebase refs (refs/rebase-merge/ and refs/rebase-apply/)
* Bundle refs (refs/bundle/) [!]

[!] The bundle refs are part of a parallel series that bootstraps a repo
    from a bundle file, storing the bundle's refs into the repo's
    refs/bundle/ namespace.

In the case of prefetch refs, 96eaffebbf (maintenance: set
log.excludeDecoration durin prefetch, 2021-01-19) added logic to add
refs/prefetch/ to the log.excludeDecoration config option. Additional
feedback pointed out that having such a side-effect can be confusing and
perhaps not helpful to users. Instead, we should hide these ref
namespaces that are being used by Git for internal reasons but are not
helpful for the users to see.

The way to provide a seamless user experience without setting the config
is to modify the default decoration filters to match our expectation of
what refs the user actually wants to see.

In builtin/log.c, after parsing the --decorate-refs and
--decorate-refs-exclude options from the command-line, call
set_default_decoration_filter(). This method populates the exclusions
from log.excludeDecoration, then checks if the list of pattern
modifications are empty. If none are specified, then the default set is
restricted to the set of inclusions mentioned earlier (HEAD, branches,
etc.).  A previous change introduced the ref_namespaces array, which
includes all of these currently-used namespaces. The 'decoration' value
is non-zero when that namespace is associated with a special coloring
and fits into the list of "expected" decorations as described above,
which makes the implementation of this filter very simple.

Note that the logic in ref_filter_match() in log-tree.c follows this
matching pattern:

 1. If there are exclusion patterns and the ref matches one, then ignore
    the decoration.

 2. If there are inclusion patterns and the ref matches one, then
    definitely include the decoration.

 3. If there are config-based exclusions from log.excludeDecoration and
    the ref matches one, then ignore the decoration.

With this logic in mind, we need to ensure that we do not populate our
new defaults if any of these filters are manually set. Specifically, if
a user runs

	git -c log.excludeDecoration=HEAD log

then we expect the HEAD decoration to not appear. If we left the default
inclusions in the set, then HEAD would match that inclusion before
reaching the config-based exclusions.

A potential alternative would be to check the list of default inclusions
at the end, after the config-based exclusions. This would still create a
behavior change for some uses of --decorate-refs-exclude=<X>, and could
be overwritten somewhat with --decorate-refs=refs/ and
--decorate-refs=HEAD. However, it no longer becomes possible to include
refs outside of the defaults while also excluding some using
log.excludeDecoration.

Another alternative would be to exclude the known namespaces that are
not intended to be shown. This would reduce the visible effect of the
change for expert users who use their own custom ref namespaces. The
implementation change would be very simple to swap due to our use of
ref_namespaces:

	int i;
	struct string_list *exclude = decoration_filter->exclude_ref_pattern;

	/*
	 * No command-line or config options were given, so
	 * populate with sensible defaults.
	 */
	for (i = 0; i < NAMESPACE__COUNT; i++) {
		if (ref_namespaces[i].decoration)
			continue;

		string_list_append(exclude, ref_namespaces[i].ref);
	}

The main downside of this approach is that we expect to add new hidden
namespaces in the future, and that means that Git versions will be less
stable in how they behave as those namespaces are added.

It is critical that we provide ways for expert users to disable this
behavior change via command-line options and config keys. These changes
will be implemented in a future change.

Add a test that checks that the defaults are not added when
--decorate-refs is specified. We verify this by showing that HEAD is not
included as it normally would.  Also add a test that shows that the
default filter avoids the unwanted decorations from refs/prefetch,
refs/rebase-merge,
and refs/bundle.

Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-05 14:13:12 -07:00
Ævar Arnfjörð Bjarmason 1e2320161d docs: move http-protocol docs to man section 5
Continue the move of existing Documentation/technical/* protocol and
file-format documentation into our main documentation space by moving
the http-protocol.txt documentation over. I'm renaming it to
"protocol-http" to be consistent with other things in the new
gitformat-protocol-* namespace.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-04 14:12:24 -07:00
Ævar Arnfjörð Bjarmason 6b6029dd1d docs: move cruft pack docs to gitformat-pack
Integrate the cruft packs documentation initially added in
3d89a8c118 (Documentation/technical: add cruft-packs.txt, 2022-05-20)
to the newly created "gitformat-pack" documentation.

Like the "bitmap-format" added before it in
0d4455a3ab (documentation: add documentation for the bitmap format,
2013-11-14) the "cruft-packs" were documented in their own file.

As the diff move detection will show there is no change to
"Documentation/technical/cruft-packs.txt" here except to move it, and
to "indent" the existing sections by adding an extra "=" to them.

We could similarly convert the "bitmap-format.txt", but let's leave it
for now due to a conflict with the in-flight ac/bitmap-lookup-table
series.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-04 14:12:24 -07:00
Ævar Arnfjörð Bjarmason 977c47b46d docs: move pack format docs to man section 5
Continue the move of existing Documentation/technical/* protocol and
file-format documentation into our main documentation space by moving
the various documentation pertaining to the *.pack format and related
files, and updating things that refer to it to link to the new
location.

By moving these we can properly link from the newly created
gitformat-commit-graph to a gitformat-chunk-format page.

Integrating "Documentation/technical/bitmap-format.txt" and
"Documentation/technical/cruft-packs.txt" might logically be part of
this change, but as those cover parts of the wider "pack
format" (including associated files) that's documented outside of
"Documentation/technical/pack-format.txt" let's leave those for now,
subsequent commit(s) will address those.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-04 14:12:24 -07:00
Ævar Arnfjörð Bjarmason 20516890dc docs: move signature docs to man section 5
Continue the move of existing Documentation/technical/* protocol and
file-format documentation into our main documentation space by moving
the signature format documentation.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-04 14:12:24 -07:00
Ævar Arnfjörð Bjarmason 00d3e8d7dd docs: move index format docs to man section 5
Continue the move of existing Documentation/technical/* protocol and
file-format documentation into our main documentation space by moving
the index format documentation.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-04 14:12:23 -07:00
Ævar Arnfjörð Bjarmason 5db921054e docs: move protocol-related docs to man section 5
Continue the move of existing Documentation/technical/* protocol and
file-format documentation into our main documentation space. By moving
the things that discuss the protocol we can properly link from
e.g. lsrefs.unborn and protocol.version documentation to a manpage we
build by default.

So far we have been using the "gitformat-" prefix for the
documentation we've been moving over from Documentation/technical/*,
but for protocol documentation let's use "gitprotocol-*".

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-04 14:12:23 -07:00
Ævar Arnfjörð Bjarmason 8cbace93d2 docs: move commit-graph format docs to man section 5
Continue the move of existing Documentation/technical/* protocol and
file-format documentation into our main documentation space.

By moving the documentation for the commit-graph format into man
section 5 and the new "developerinterfaces" category. This change is
split from subsequent commits due to the relatively large amount of
ASCIIDOC formatting changes that are required.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-04 14:12:23 -07:00
Ævar Arnfjörð Bjarmason 844739ba27 git docs: add a category for file formats, protocols and interfaces
Create a new "File formats, protocols and other developer interfaces"
section in the main "git help git" manual page and start moving the
documentation that now lives in "Documentation/technical/*.git" over
to it. This complements the newly added and adjacent "Repository,
command and file interfaces" section.

This makes the technical documentation more accessible and
discoverable. Before this we wouldn't install it by default, and had
no ability to build man page versions of them. The links to them from
our existing documentation link to the generated HTML version of these
docs.

So let's start moving those over, starting with just the
"bundle-format.txt" documentation added in 7378ec90e1 (doc: describe
Git bundle format, 2020-02-07). We'll now have a new
gitformat-bundle(5) man page. Subsequent commits will move more git
internal format documentation over.

Unfortunately the syntax of the current Documentation/technical/*.txt
is not the same (when it comes to section headings etc.) as our
Documentation/*.txt documentation, so change the relevant bits of
syntax as we're moving this over.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-04 14:12:23 -07:00
Ævar Arnfjörð Bjarmason d976c5100f git docs: add a category for user-facing file, repo and command UX
Create a new "Repository, command and file interfaces" section in the
main "git help git" manual page. Move things that belong under this
new criteria from the generic "Guides" section.

The "Guides" section was added in f442f28a81 (git.txt: add list of
guides, 2020-08-05). It makes sense to have e.g. "giteveryday(7)" and
"gitfaq(7)" listed under "Guides".

But placing e.g. "gitignore(5)" in it is stretching the meaning of
what a "guide" is, ideally that section should list things similar to
"giteveryday(7)" and "gitcore-tutorial(7)".

An alternate name that was considered for this new section was "User
formats", for consistency with the nomenclature used for man section 5
in general. My man(1) lists it as "File formats and conventions,
e.g. /etc/passwd".

So calling this "git help --formats" or "git help --user-formats"
would make sense for e.g. gitignore(5), but would be stretching it
somewhat for githooks(5), and would seem really suspect for the likes
of gitcli(7).

Let's instead pick a name that's closer to the generic term "User
interface", which is really what this documentation discusses: General
user-interface documentation that doesn't obviously belong elsewhere.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-04 14:12:23 -07:00
Ævar Arnfjörð Bjarmason dba1e5392f git help doc: use "<doc>" instead of "<guide>"
Replace the use of "<guide>" originally introduced (as "GUIDE") in
a133737b80 (doc: include --guide option description for "git help",
2013-04-02) with the more generic "<doc>". The "<doc>" placeholder is
more generic, and one we'll be able to use as we introduce new
documentation categories.

Let's also add "<doc>" to the "git help -h" output, when it was made
to use parse_option() in in 41eb33bd0c (help: use parseopt,
2008-02-24).

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-04 14:12:23 -07:00
Junio C Hamano cb54fc93e4 doc: clarify rerere-autoupdate
The "--[no-]rerere-autoupdate" option controls what happens _after_
the rerere mechanism kicks in to reuse recorded resolutions and does
not prevent from the rerere mechanism to trigger in the first place.

It is unclear in the current text if "--no-rerere-autoupdate" stops
the auto-resolution.  Rewrite the sentence to clarify.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-03 13:57:25 -07:00
Junio C Hamano 0dbc715ae0 doc: consolidate --rerere-autoupdate description
The `--rerere-autoupdate` option is shared across 5 commands, and
are described the same way because it works exactly the same way in
these commands.

Create a separate file and include it from the help pages for these
commands, so that we can improve the description at one place to
improve all of them at once, and keep them in sync.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-03 13:47:11 -07:00
Junio C Hamano 4af7188bc9 The ninth batch
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-03 13:36:09 -07:00
Junio C Hamano 87098a047b Merge branch 'sa/cat-file-mailmap'
"git cat-file" learned an option to use the mailmap when showing
commit and tag objects.

* sa/cat-file-mailmap:
  cat-file: add mailmap support
  ident: rename commit_rewrite_person() to apply_mailmap_to_header()
  ident: move commit_rewrite_person() to ident.c
  revision: improve commit_rewrite_person()
2022-08-03 13:36:08 -07:00
Junio C Hamano 8e56affcb5 Merge branch 'zh/ls-files-format'
"git ls-files" learns the "--format" option to tweak its output.

* zh/ls-files-format:
  ls-files: introduce "--format" option
2022-08-03 13:36:08 -07:00
Glen Choo 94955d576b Documentation/git-reflog: remove unneeded \ from \{
There are some inconsistencies with how different asciidoc environments
handle different combinations of "\{<>}", e.g. these results were
observed with asciidoc on two different environments:

  | Input     | Output (env A) | Output (env B)   | same/different |
  |-----------+----------------+------------------+----------------|
  | \{<foo>\} | {&lt;foo&gt;}  | \{&lt;foo&gt;}^M | different      |
  | {<foo>}   | {&lt;foo&gt;}  | {&lt;foo&gt;}    | same           |
  | \{<foo>}  | {&lt;foo&gt;}  | \{&lt;foo&gt;}^M | different      |
  | \{foo\}   | {foo}          | {foo}            | same           |
  | \{\}      | {}             | \{}^M            | different      |
  | \{}       | {}             | {}               | same           |
  | {\}       | {}             | {}               | same           |

The only instance of this biting us is "@\{<specifier>\}" in
Documentation/git-reflog.txt; all other combinations of "\{<>}" (e.g. in
Documentation/revisions.txt) seem to render consistently.

Fix this inconsistent rendering by removing the unnecessary "\" in
Documentation/git-reflog.txt.

Signed-off-by: Glen Choo <chooglen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-01 14:33:44 -07:00
Junio C Hamano 350dc9f0e8 The eighth batch
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-08-01 09:58:39 -07:00
Junio C Hamano 3d8e3dc4fc Merge branch 'ds/rebase-update-ref'
"git rebase -i" learns to update branches whose tip appear in the
rebased range with "--update-refs" option.
source: <pull.1247.v5.git.1658255624.gitgitgadget@gmail.com>

* ds/rebase-update-ref:
  sequencer: notify user of --update-refs activity
  sequencer: ignore HEAD ref under --update-refs
  rebase: add rebase.updateRefs config option
  sequencer: rewrite update-refs as user edits todo list
  rebase: update refs from 'update-ref' commands
  rebase: add --update-refs option
  sequencer: add update-ref command
  sequencer: define array with enum values
  rebase-interactive: update 'merge' description
  branch: consider refs under 'update-refs'
  t2407: test branches currently using apply backend
  t2407: test bisect and rebase as black-boxes
2022-08-01 09:58:38 -07:00
Junio C Hamano 23b219f8e3 Sync with 'maint' 2022-07-27 13:42:09 -07:00
Junio C Hamano 00d12607a2 Downmerge a handful of fixes for 2.37.x maintenance track
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-07-27 13:22:06 -07:00
Junio C Hamano 32290a5818 Merge branch 'tk/rev-parse-doc-clarify-at-u' into maint
Doc update.
source: <pull.1265.v2.git.1655960512385.gitgitgadget@gmail.com>

* tk/rev-parse-doc-clarify-at-u:
  rev-parse: documentation adjustment - mention remote tracking with @{u}
2022-07-27 13:19:52 -07:00
Junio C Hamano a3178b8720 Merge branch 'pb/diff-doc-raw-format' into maint
Update "git diff/log --raw" format documentation.
source: <pull.1259.git.1655123383.gitgitgadget@gmail.com>

* pb/diff-doc-raw-format:
  diff-index.txt: update raw output format in examples
  diff-format.txt: correct misleading wording
  diff-format.txt: dst can be 0* SHA-1 when path is deleted, too
2022-07-27 13:19:49 -07:00
Junio C Hamano 84c3dfd023 Merge branch 'jk/revisions-doc-markup-fix' into maint
Documentation mark-up fix.
source: <YrOmsA04FZae89be@coredump.intra.peff.net>

* jk/revisions-doc-markup-fix:
  revisions.txt: escape "..." to avoid asciidoc horizontal ellipsis
2022-07-27 13:19:48 -07:00
Junio C Hamano 8f6b482d24 Merge branch 'ac/bitmap-format-doc' into maint
Adjust technical/bitmap-format to be formatted by AsciiDoc, and
add some missing information to the documentation.
source: <pull.1246.v4.git.1655355834.gitgitgadget@gmail.com>

* ac/bitmap-format-doc:
  bitmap-format.txt: add information for trailing checksum
  bitmap-format.txt: fix some formatting issues
  bitmap-format.txt: feed the file to asciidoc to generate html
2022-07-27 13:00:31 -07:00
Junio C Hamano ac282aa8d4 Merge branch 'ds/git-rebase-doc-markup' into maint
References to commands-to-be-typed-literally in "git rebase"
documentation mark-up have been corrected.
source: <pull.1270.v3.git.1656508868146.gitgitgadget@gmail.com>

* ds/git-rebase-doc-markup:
  git-rebase.txt: use back-ticks consistently
2022-07-27 13:00:29 -07:00
Junio C Hamano 15b17e6480 The seventh batch
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-07-27 09:16:55 -07:00
Junio C Hamano 3a03633812 Merge branch 'vd/scalar-doc'
Doc update.

* vd/scalar-doc:
  scalar: convert README.md into a technical design doc
  scalar: reword command documentation to clarify purpose
2022-07-27 09:16:54 -07:00
Junio C Hamano 0c5222b6c5 Merge branch 'ds/doc-wo-whitelist'
Avoid "white/black-list" in documentation and code comments.

* ds/doc-wo-whitelist:
  transport.c: avoid "whitelist"
  t: avoid "whitelist"
  git.txt: remove redundant language
  git-cvsserver: clarify directory list
  daemon: clarify directory arguments
2022-07-27 09:16:54 -07:00
Junio C Hamano 6fa54b8fb5 Merge branch 'mb/config-document-include'
Add missing documentation for "include" and "includeIf" features in
"git config" file format, which incidentally teaches the command
line completion to include them in its offerings.

* mb/config-document-include:
  config.txt: document include, includeIf
2022-07-27 09:16:53 -07:00
Junio C Hamano a88527203f Merge branch 'sg/index-format-doc-update'
Docfix.

* sg/index-format-doc-update:
  index-format.txt: remove outdated list of supported extensions
2022-07-27 09:16:53 -07:00
Junio C Hamano 6a591a3173 Merge branch 'ma/sparse-checkout-cone-doc-fix'
Docfix.

* ma/sparse-checkout-cone-doc-fix:
  config/core.txt: fix minor issues for `core.sparseCheckoutCone`
2022-07-27 09:16:53 -07:00
ZheNing Hu ce74de931d ls-files: introduce "--format" option
Add a new option "--format" that outputs index entries
informations in a custom format, taking inspiration
from the option with the same name in the `git ls-tree`
command.

"--format" cannot used with "-s", "-o", "-k", "-t",
" --resolve-undo","--deduplicate" and "--eol".

Signed-off-by: ZheNing Hu <adlternative@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-07-23 10:53:55 -07:00
Taylor Blau db9d67f2e9 builtin/cat-file.c: support NUL-delimited input with -z
When callers are using `cat-file` via one of the stdin-driven `--batch`
modes, all input is newline-delimited. This presents a problem when
callers wish to ask about, e.g. tree-entries that have a newline
character present in their filename.

To support this niche scenario, introduce a new `-z` mode to the
`--batch`, `--batch-check`, and `--batch-command` suite of options that
instructs `cat-file` to treat its input as NUL-delimited, allowing the
individual commands themselves to have newlines present.

The refactoring here is slightly unfortunate, since we turn loops like:

    while (strbuf_getline(&buf, stdin) != EOF)

into:

    while (1) {
        int ret;
        if (opt->nul_terminated)
            ret = strbuf_getline_nul(&input, stdin);
        else
            ret = strbuf_getline(&input, stdin);

        if (ret == EOF)
            break;
    }

It's tempting to think that we could use `strbuf_getwholeline()` and
specify either `\n` or `\0` as the terminating character. But for input
on platforms that include a CR character preceeding the LF, this
wouldn't quite be the same, since `strbuf_getline(...)` will trim any
trailing CR, while `strbuf_getwholeline(&buf, stdin, '\n')` will not.

In the future, we could clean this up further by introducing a variant
of `strbuf_getwholeline()` that addresses the aforementioned gap, but
that approach felt too heavy-handed for this pair of uses.

Some tests are added in t1006 to ensure that `cat-file` produces the
same output in `--batch`, `--batch-check`, and `--batch-command` modes
with and without the new `-z` option.

Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-07-22 21:42:06 -07:00
Junio C Hamano 6a475b71f8 The sixth batch
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-07-22 15:07:08 -07:00
Junio C Hamano 18bbc795fc Merge branch 'gc/bare-repo-discovery'
Introduce a discovery.barerepository configuration variable that
allows users to forbid discovery of bare repositories.

* gc/bare-repo-discovery:
  setup.c: create `safe.bareRepository`
  safe.directory: use git_protected_config()
  config: learn `git_protected_config()`
  Documentation: define protected configuration
  Documentation/git-config.txt: add SCOPES section
2022-07-22 15:04:02 -07:00
Junio C Hamano e72d93e88c The fifth batch
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-07-19 16:40:19 -07:00
Derrick Stolee 3113fedaeb rebase: add rebase.updateRefs config option
The previous change added the --update-refs command-line option.  For
users who always want this mode, create the rebase.updateRefs config
option which behaves the same way as rebase.autoSquash does with the
--autosquash option.

Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-07-19 12:49:04 -07:00
Derrick Stolee 900b50c242 rebase: add --update-refs option
When working on a large feature, it can be helpful to break that feature
into multiple smaller parts that become reviewed in sequence. During
development or during review, a change to one part of the feature could
affect multiple of these parts. An interactive rebase can help adjust
the multi-part "story" of the branch.

However, if there are branches tracking the different parts of the
feature, then rebasing the entire list of commits can create commits not
reachable from those "sub branches". It can take a manual step to update
those branches.

Add a new --update-refs option to 'git rebase -i' that adds 'update-ref
<ref>' steps to the todo file whenever a commit that is being rebased is
decorated with that <ref>. At the very end, the rebase process updates
all of the listed refs to the values stored during the rebase operation.

Be sure to iterate after any squashing or fixups are placed. Update the
branch only after those squashes and fixups are complete. This allows a
--fixup commit at the tip of the feature to apply correctly to the sub
branch, even if it is fixing up the most-recent commit in that part.

This change update the documentation and builtin to accept the
--update-refs option as well as updating the todo file with the
'update-ref' commands. Tests are added to ensure that these todo
commands are added in the correct locations.

This change does _not_ include the actual behavior of tracking the
updated refs and writing the new ref values at the end of the rebase
process. That is deferred to a later change.

Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-07-19 12:49:04 -07:00
Derrick Stolee 559c2c3d2a git.txt: remove redundant language
The documentation for GIT_ALLOW_PROTOCOL has a sentence that adds no
value, since it repeats the meaning from the previous sentence (twice!).

The word "whitelist" has cultural implications that are not inclusive,
which brought attention to this sentence.

Helped-by: Jeff King <peff@peff.net>
Helped-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-07-19 12:45:31 -07:00
Derrick Stolee acc5e287f2 git-cvsserver: clarify directory list
The documentation and error messages for git-cvsserver include some
references to a "whitelist" that is not otherwise included in the
documentation. When different parts of the documentation do not use
common language, this can lead to confusion as to how things are meant
to operate.

Further, the word "whitelist" has cultural implications that make its
use non-inclusive. Thankfully, we can remove it while increasing
clarity.

Update Documentation/git-cvsserver.txt in a similar way to the previous
change to Documentation/git-daemon.txt. The optional '<directory>...'
list can specify a list of allowed directories. We refer to that list
directly inside of the documentation for the GIT_CVSSERVER_ROOT
environment variable.

While modifying this documentation, update the environment variables to
use a list format. We use the modern way of tabbing the description of
each variable in this section. We do _not_ update the description of
'<directory>...' to use tabs this way since the rest of the items in the
OPTIONS list do not use this modern formatting.

A single error message in the actual git-cvsserver.perl code refers to
the whitelist during argument parsing. Instead, refer to the directory
list that has been clarified in the documentation.

Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-07-19 12:45:31 -07:00
Derrick Stolee dee8a1455c daemon: clarify directory arguments
The undecorated arguments to the 'git-daemon' command provide a list of
directories. When at least one directory is specified, then 'git-daemon'
only serves requests that are within that directory list. The boolean
'--strict-paths' option makes the list more explicit in that
subdirectories are no longer included.

The existing documentation and error messages around this directory list
refer to it and its behavior as a "whitelist". The word "whitelist" has
cultural implications that are not inclusive.  Thankfully, it is not
difficult to reword and avoid its use. In the process, we can define the
purpose of this directory list directly.

In Documentation/git-daemon.txt, rewrite the OPTIONS section around the
'<directory>' option. Add additional clarity to the other options that
refer to these directories.

Some error messages can also be improved in daemon.c. The
'--strict-paths' option requires '<directory>' arguments, so refer to
that section of the documentation directly. A logerror() call points out
that a requested directory is not in the specified directory list. We
can use "list" here without any loss of information.

Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-07-19 12:45:31 -07:00
Junio C Hamano 71a8fab31b The fourth batch
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-07-18 13:31:58 -07:00
Siddharth Asthana ec031da9f9 cat-file: add mailmap support
git-cat-file is used by tools like GitLab to get commit tag contents
that are then displayed to users. This content which has author,
committer or tagger information, could benefit from passing through the
mailmap mechanism before being sent or displayed.

This patch adds --[no-]use-mailmap command line option to the git
cat-file command. It also adds --[no-]mailmap option as an alias to
--[no-]use-mailmap.

This patch also introduces new test cases to test the mailmap mechanism in
git cat-file command.

Mentored-by: Christian Couder <christian.couder@gmail.com>
Mentored-by: John Cai <johncai86@gmail.com>
Helped-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Helped-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Siddharth Asthana <siddharthasthana31@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-07-18 12:55:53 -07:00
Victoria Dye 72d3a5da32 scalar: convert README.md into a technical design doc
Adapt the content from 'contrib/scalar/README.md' into a design document in
'Documentation/technical/'. In addition to reformatting for asciidoc,
elaborate on the background, purpose, and design choices that went into
Scalar.

Most of this document will persist in the 'Documentation/technical/' after
Scalar has been moved out of 'contrib/' and into the root of Git. Until that
time, it will also contain a temporary "Roadmap" section detailing the
remaining series needed to finish the initial version of Scalar. The section
will be removed once Scalar is moved to the repo root, but in the meantime
serves as a guide for readers to keep up with progress on the feature.

Signed-off-by: Victoria Dye <vdye@github.com>
Acked-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-07-18 11:03:56 -07:00
Martin Ågren ae436f283c config/core.txt: fix minor issues for core.sparseCheckoutCone
The sparse checkout feature can be used in "cone mode" or "non-cone
mode". In this one instance in the documentation, we refer to the latter
as "non cone mode" with whitespace rather than a hyphen. Align this with
the rest of our documentation.

A few words later in the same paragraph, there's mention of "a more
flexible patterns". Drop that leading "a" to fix the grammar.

Signed-off-by: Martin Ågren <martin.agren@gmail.com>
Acked-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-07-18 09:39:20 -07:00
SZEDER Gábor a10f6e2bda index-format.txt: remove outdated list of supported extensions
The first section of 'Documentation/technical/index-format.txt'
mentions that "Git currently supports cache tree and resolve undo
extensions", but then goes on, and in the "Extensions" section
describes not only these two, but six other extensions [1].

Remove this sentence, as it's misleading about the status of all those
other extensions.

Alternatively we could keep that sentence and update the list of
extensions, but that might well lead to a recurring issue, because
apparently this list is never updated when a new index extension is
added.

[1] Split index, untracked cache, FS monitor cache, end of index
    entry, index entry offset table and sparse directory entries.

Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-07-18 09:24:43 -07:00
Manuel Boni 07aed58017 config.txt: document include, includeIf
Git config's tab completion does not yet know about the "include"
and "includeIf" sections, nor the related "path" variable.

Add a description for these two sections in
'Documentation/config/includeif.txt', which points to git-config's
documentation, specifically the "Includes" and "Conditional Includes"
subsections.

As a side effect, tab completion can successfully complete the
'include', 'includeIf', and 'include.add' expressions.
This effect is tested by two new ad-hoc tests.
Variable completion only works for "include" for now.

Credit for the ideas behind this patch goes to
Ævar Arnfjörð Bjarmason.

Helped-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Manuel Boni <ziosombrero@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-07-17 14:23:42 -07:00
Glen Choo 8d1a744820 setup.c: create safe.bareRepository
There is a known social engineering attack that takes advantage of the
fact that a working tree can include an entire bare repository,
including a config file. A user could run a Git command inside the bare
repository thinking that the config file of the 'outer' repository would
be used, but in reality, the bare repository's config file (which is
attacker-controlled) is used, which may result in arbitrary code
execution. See [1] for a fuller description and deeper discussion.

A simple mitigation is to forbid bare repositories unless specified via
`--git-dir` or `GIT_DIR`. In environments that don't use bare
repositories, this would be minimally disruptive.

Create a config variable, `safe.bareRepository`, that tells Git whether
or not to die() when working with a bare repository. This config is an
enum of:

- "all": allow all bare repositories (this is the default)
- "explicit": only allow bare repositories specified via --git-dir
  or GIT_DIR.

If we want to protect users from such attacks by default, neither value
will suffice - "all" provides no protection, but "explicit" is
impractical for bare repository users. A more usable default would be to
allow only non-embedded bare repositories ([2] contains one such
proposal), but detecting if a repository is embedded is potentially
non-trivial, so this work is not implemented in this series.

[1]: https://lore.kernel.org/git/kl6lsfqpygsj.fsf@chooglen-macbookpro.roam.corp.google.com
[2]: https://lore.kernel.org/git/5b969c5e-e802-c447-ad25-6acc0b784582@github.com

Signed-off-by: Glen Choo <chooglen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-07-14 15:08:29 -07:00
Glen Choo 6061601d9f safe.directory: use git_protected_config()
Use git_protected_config() to read `safe.directory` instead of
read_very_early_config(), making it 'protected configuration only'.

As a result, `safe.directory` now respects "-c", so update the tests and
docs accordingly. It used to ignore "-c" due to how it was implemented,
not because of security or correctness concerns [1].

[1] https://lore.kernel.org/git/xmqqlevabcsu.fsf@gitster.g/

Signed-off-by: Glen Choo <chooglen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-07-14 15:08:29 -07:00
Glen Choo 779ea9303a Documentation: define protected configuration
For security reasons, there are config variables that are only trusted
when they are specified in certain configuration scopes, which are
sometimes referred to on-list as 'protected configuration' [1]. A future
commit will introduce another such variable, so let's define our terms
so that we can have consistent documentation and implementation.

In our documentation, define 'protected configuration' as the system,
global and command config scopes. As a shorthand, I will refer to
variables that are only respected in protected configuration as
'protected configuration only', but this term is not used in the
documentation.

This definition of protected configuration is based on whether or not
Git can reasonably protect the user by ignoring the configuration scope:

- System, global and command line config are considered protected
  because an attacker who has control over any of those can do plenty of
  harm without Git, so we gain very little by ignoring those scopes.

- On the other hand, local (and similarly, worktree) config are not
  considered protected because it is relatively easy for an attacker to
  control local config, e.g.:

  - On some shared user environments, a non-admin attacker can create a
    repository high up the directory hierarchy (e.g. C:\.git on
    Windows), and a user may accidentally use it when their PS1
    automatically invokes "git" commands.

    `safe.directory` prevents attacks of this form by making sure that
    the user intended to use the shared repository. It obviously
    shouldn't be read from the repository, because that would end up
    trusting the repository that Git was supposed to reject.

  - "git upload-pack" is expected to run in repositories that may not be
    controlled by the user. We cannot ignore all config in that
    repository (because "git upload-pack" would fail), but we can limit
    the risks by ignoring `uploadpack.packObjectsHook`.

Only `uploadpack.packObjectsHook` is 'protected configuration only'. The
following variables are intentionally excluded:

- `safe.directory` should be 'protected configuration only', but it does
  not technically fit the definition because it is not respected in the
  "command" scope. A future commit will fix this.

- `trace2.*` happens to read the same scopes as `safe.directory` because
  they share an implementation. However, this is not for security
  reasons; it is because we want to start tracing so early that
  repository-level config and "-c" are not available [2].

  This requirement is unique to `trace2.*`, so it does not makes sense
  for protected configuration to be subject to the same constraints.

[1] For example,
https://lore.kernel.org/git/6af83767-576b-75c4-c778-0284344a8fe7@github.com/
[2] https://lore.kernel.org/git/a0c89d0d-669e-bf56-25d2-cbb09b012e70@jeffhostetler.com/

Signed-off-by: Glen Choo <chooglen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-07-14 15:08:29 -07:00
Glen Choo 5f5af3735d Documentation/git-config.txt: add SCOPES section
In a subsequent commit, we will introduce "protected configuration",
which is easiest to describe in terms of configuration scopes (i.e. it's
the union of the 'system', 'global', and 'command' scopes). This
description is fine for ML discussions, but it's inadequate for end
users because we don't provide a good description of "configuration
scopes" in the public docs.

145d59f482 (config: add '--show-scope' to print the scope of a config
value, 2020-02-10) introduced the word "scope" to our public docs, but
that only enumerates the scopes and assumes the user can figure out
what those values mean.

Add a SCOPES section to Documentation/git-config.txt that describes the
configuration scopes, their corresponding CLI options, and mentions that
some configuration options are only respected in certain scopes. Then,
use the word "scope" to simplify the FILES section and change some
confusing wording.

Signed-off-by: Glen Choo <chooglen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-07-14 15:08:29 -07:00
Junio C Hamano 9dd64cb4d3 The third batch
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-07-14 15:04:00 -07:00
Junio C Hamano 73b9ef6ab1 Merge branch 'hx/unpack-streaming'
Allow large objects read from a packstream to be streamed into a
loose object file straight, without having to keep it in-core as a
whole.

* hx/unpack-streaming:
  unpack-objects: use stream_loose_object() to unpack large objects
  core doc: modernize core.bigFileThreshold documentation
  object-file.c: add "stream_loose_object()" to handle large object
  object-file.c: factor out deflate part of write_loose_object()
  object-file.c: refactor write_loose_object() to several steps
  unpack-objects: low memory footprint for get_data() in dry_run mode
2022-07-14 15:03:59 -07:00
Junio C Hamano be733e1200 Merge branch 'en/merge-tree'
"git merge-tree" learned a new mode where it takes two commits and
computes a tree that would result in the merge commit, if the
histories leading to these two commits were to be merged.

* en/merge-tree:
  git-merge-tree.txt: add a section on potentional usage mistakes
  merge-tree: add a --allow-unrelated-histories flag
  merge-tree: allow `ls-files -u` style info to be NUL terminated
  merge-ort: optionally produce machine-readable output
  merge-ort: store more specific conflict information
  merge-ort: make `path_messages` a strmap to a string_list
  merge-ort: store messages in a list, not in a single strbuf
  merge-tree: provide easy access to `ls-files -u` style info
  merge-tree: provide a list of which files have conflicts
  merge-ort: remove command-line-centric submodule message from merge-ort
  merge-ort: provide a merge_get_conflicted_files() helper function
  merge-tree: support including merge messages in output
  merge-ort: split out a separate display_update_messages() function
  merge-tree: implement real merges
  merge-tree: add option parsing and initial shell for real merge function
  merge-tree: move logic for existing merge into new function
  merge-tree: rename merge_trees() to trivial_merge_trees()
2022-07-14 15:03:59 -07:00
Junio C Hamano 4e2a4d1dd4 The second batch
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-07-13 14:54:56 -07:00
Junio C Hamano fba8e7fa2d Merge branch 'ds/git-rebase-doc-markup'
References to commands-to-be-typed-literally in "git rebase"
documentation mark-up have been corrected.

* ds/git-rebase-doc-markup:
  git-rebase.txt: use back-ticks consistently
2022-07-13 14:54:56 -07:00
Junio C Hamano 9a13943ef4 Merge branch 'tk/rev-parse-doc-clarify-at-u'
Doc update.

* tk/rev-parse-doc-clarify-at-u:
  rev-parse: documentation adjustment - mention remote tracking with @{u}
2022-07-13 14:54:55 -07:00
Junio C Hamano 8c4f65e0bf Merge branch 'cl/grep-max-count'
"git grep -m<max-hits>" is a way to limit the hits shown per file.

* cl/grep-max-count:
  grep: add --max-count command line option
2022-07-13 14:54:55 -07:00
Junio C Hamano 81705c4ee6 Merge branch 'zk/push-use-bitmaps'
"git push" sometimes perform poorly when reachability bitmaps are
used, even in a repository where other operations are helped by
bitmaps.  The push.useBitmaps configuration variable is introduced
to allow disabling use of reachability bitmaps only for "git push".

* zk/push-use-bitmaps:
  send-pack.c: add config push.useBitmaps
2022-07-13 14:54:54 -07:00
Junio C Hamano f2e5255fc2 Git 2.37.1
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Sync with Git 2.37.1
2022-07-11 16:08:49 -07:00
Junio C Hamano 55ece90cdd The first batch after Git 2.37
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-07-11 15:38:52 -07:00
Junio C Hamano b5a2d6cc49 Merge branch 'rs/archive-with-internal-gzip'
Teach "git archive" to (optionally and then by default) avoid
spawning an external "gzip" process when creating ".tar.gz" (and
".tgz") archives.

* rs/archive-with-internal-gzip:
  archive-tar: use internal gzip by default
  archive-tar: use OS_CODE 3 (Unix) for internal gzip
  archive-tar: add internal gzip implementation
  archive-tar: factor out write_block()
  archive: rename archiver data field to filter_command
  archive: update format documentation
2022-07-11 15:38:51 -07:00
Junio C Hamano 5dbbdaac79 Merge branch 'ac/bitmap-format-doc'
Adjust technical/bitmap-format to be formatted by AsciiDoc, and
add some missing information to the documentation.

* ac/bitmap-format-doc:
  bitmap-format.txt: add information for trailing checksum
  bitmap-format.txt: fix some formatting issues
  bitmap-format.txt: feed the file to asciidoc to generate html
2022-07-11 15:38:50 -07:00
Junio C Hamano 2c8c0b4843 Merge branch 'pb/diff-doc-raw-format'
Update "git diff/log --raw" format documentation.

* pb/diff-doc-raw-format:
  diff-index.txt: update raw output format in examples
  diff-format.txt: correct misleading wording
  diff-format.txt: dst can be 0* SHA-1 when path is deleted, too
2022-07-11 15:38:49 -07:00
Junio C Hamano 96730964f8 Merge branch 'jk/revisions-doc-markup-fix'
Documentation mark-up fix.

* jk/revisions-doc-markup-fix:
  revisions.txt: escape "..." to avoid asciidoc horizontal ellipsis
2022-07-11 15:38:49 -07:00
Junio C Hamano bbea4dcf42 Git 2.37.1
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-07-04 13:45:08 -07:00
Junio C Hamano 30cc8d0f14 A regression fix for 2.37
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-07-02 21:56:08 -07:00
Derrick Stolee 54e51e559e git-rebase.txt: use back-ticks consistently
While inspecting the 'git rebase' documentation, I noticed that it is
inconsistent with how it uses back-ticks (or other punctuation) for
identifying Git commands, command-line arguments, or values for those
arguments.

Sometimes, an argument (like '--interactive') would appear without any
punctuation, causing the argument to not have any special formatting.
Other times, arguments or 'git rebase' itself would have single-quotes
giving a bold look (in the HTML documentation at least).

By consistently using back-ticks, these types of strings appear in a
monospace font with special highlighting to appear more clearly as text
that exists in a command-line invocation of a Git command.

This rather-large diff is the result of scanning git-rebase.txt and
adding back-ticks as appropriate. Some are adding back-ticks where there
was no punctuation. Others are replacing single quotes.

There are also a few minor cleanups in the process, including those
found by reviewers.

Helped-by: Phillip Wood <phillip.wood123@gmail.com>
Helped-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-06-30 10:25:54 -07:00
Junio C Hamano 69ab3309e9 Sync with Git 2.36.2
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-06-27 12:41:41 -07:00
Junio C Hamano 49c837424a Merge branch 'jc/revert-show-parent-info'
* jc/revert-show-parent-info:
  revert: config documentation fixes
2022-06-27 09:13:41 -07:00
René Scharfe fc0f8bcd64 revert: config documentation fixes
43966ab315 (revert: optionally refer to commit in the "reference"
format, 2022-05-26) added the documentation file config/revert.txt.
Actually include it in config.txt.

Make is used with a bare infinitive after the object; remove the "to".

Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-06-27 08:37:36 -07:00
Junio C Hamano 39c15e4855 Merge branch 'ab/credentials-in-url-more'
* ab/credentials-in-url-more:
  Documentation/config/transfer.txt: fix typo
2022-06-23 13:22:35 -07:00
Taylor Blau bcb6cdfc03 Documentation/config/transfer.txt: fix typo
Commit 7281c196b1 (transfer doc: move fetch.credentialsInUrl to
"transfer" config namespace, 2022-06-15) propagates a typo from
6dcbdc0d66 (remote: create fetch.credentialsInUrl config, 2022-06-06),
where "other" is misspelled as "oher". Fix the typo accordingly.

Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-06-23 12:43:29 -07:00
Tao Klerks 8cdab69d96 rev-parse: documentation adjustment - mention remote tracking with @{u}
The documentation explained the conversion from remote branch path to
local tracking ref path for @{push}, but not for @{upstream}.

Add the explanation to @{upstream}, and reference it in @{push} to avoid
undue repetition.

Signed-off-by: Tao Klerks <tao@klerks.biz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-06-23 08:35:09 -07:00
Johannes Schindelin fd59c5bdee Git 2.36.2
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2022-06-23 12:40:44 +02:00
Johannes Schindelin 8f8eea8c3a Sync with 2.35.4
* maint-2.35:
  Git 2.35.4
  Git 2.34.4
  Git 2.33.4
  Git 2.32.3
  Git 2.31.4
  Git 2.30.5
  setup: tighten ownership checks post CVE-2022-24765
  git-compat-util: allow root to access both SUDO_UID and root owned
  t0034: add negative tests and allow git init to mostly work under sudo
  git-compat-util: avoid failing dir ownership checks if running privileged
  t: regression git needs safe.directory when using sudo
2022-06-23 12:36:12 +02:00
Johannes Schindelin 359da658ae Git 2.35.4
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2022-06-23 12:36:05 +02:00
Johannes Schindelin aef3d5948c Sync with 2.34.4
* maint-2.34:
  Git 2.34.4
  Git 2.33.4
  Git 2.32.3
  Git 2.31.4
  Git 2.30.5
  setup: tighten ownership checks post CVE-2022-24765
  git-compat-util: allow root to access both SUDO_UID and root owned
  t0034: add negative tests and allow git init to mostly work under sudo
  git-compat-util: avoid failing dir ownership checks if running privileged
  t: regression git needs safe.directory when using sudo
2022-06-23 12:36:03 +02:00
Johannes Schindelin f2eed22852 Git 2.34.4
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2022-06-23 12:35:49 +02:00
Johannes Schindelin 378eaded1a Sync with 2.33.4
* maint-2.33:
  Git 2.33.4
  Git 2.32.3
  Git 2.31.4
  Git 2.30.5
  setup: tighten ownership checks post CVE-2022-24765
  git-compat-util: allow root to access both SUDO_UID and root owned
  t0034: add negative tests and allow git init to mostly work under sudo
  git-compat-util: avoid failing dir ownership checks if running privileged
  t: regression git needs safe.directory when using sudo
2022-06-23 12:35:47 +02:00
Johannes Schindelin 80c525c4ac Git 2.33.4
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2022-06-23 12:35:41 +02:00
Johannes Schindelin eebfde3f21 Sync with 2.32.3
* maint-2.32:
  Git 2.32.3
  Git 2.31.4
  Git 2.30.5
  setup: tighten ownership checks post CVE-2022-24765
  git-compat-util: allow root to access both SUDO_UID and root owned
  t0034: add negative tests and allow git init to mostly work under sudo
  git-compat-util: avoid failing dir ownership checks if running privileged
  t: regression git needs safe.directory when using sudo
2022-06-23 12:35:38 +02:00