Commit graph

10280 commits

Author SHA1 Message Date
Junio C Hamano e779b0f070 Merge branch 'ab/branch-list-doc'
Doc update.

* ab/branch-list-doc:
  branch doc: update description for `--list`
  branch doc: change `git branch <pattern>` to use `<branchname>`
2017-03-28 14:05:59 -07:00
Junio C Hamano e394fa01d6 Merge branch 'sb/checkout-recurse-submodules'
"git checkout" is taught the "--recurse-submodules" option.

* sb/checkout-recurse-submodules:
  builtin/read-tree: add --recurse-submodules switch
  builtin/checkout: add --recurse-submodules switch
  entry.c: create submodules when interesting
  unpack-trees: check if we can perform the operation for submodules
  unpack-trees: pass old oid to verify_clean_submodule
  update submodules: add submodule_move_head
  submodule.c: get_super_prefix_or_empty
  update submodules: move up prepare_submodule_repo_env
  submodules: introduce check to see whether to touch a submodule
  update submodules: add a config option to determine if submodules are updated
  update submodules: add submodule config parsing
  make is_submodule_populated gently
  lib-submodule-update.sh: define tests for recursing into submodules
  lib-submodule-update.sh: replace sha1 by hash
  lib-submodule-update: teach test_submodule_content the -C <dir> flag
  lib-submodule-update.sh: do not use ./. as submodule remote
  lib-submodule-update.sh: reorder create_lib_submodule_repo
  submodule--helper.c: remove duplicate code
  connect_work_tree_and_git_dir: safely create leading directories
2017-03-28 14:05:58 -07:00
Junio C Hamano 49800c9407 Prepare for 2.12.3 2017-03-28 13:54:14 -07:00
Junio C Hamano 67476f59bc Merge branch 'km/config-grammofix' into maint
Doc update.

* km/config-grammofix:
  doc/config: grammar fixes for core.{editor,commentChar}
2017-03-28 13:52:29 -07:00
Junio C Hamano bfee58c0a5 Merge branch 'dp/filter-branch-prune-empty' into maint
"git filter-branch --prune-empty" drops a single-parent commit that
becomes a no-op, but did not drop a root commit whose tree is empty.

* dp/filter-branch-prune-empty:
  p7000: add test for filter-branch with --prune-empty
  filter-branch: fix --prune-empty on parentless commits
  t7003: ensure --prune-empty removes entire branch when applicable
  t7003: ensure --prune-empty can prune root commit
2017-03-28 13:52:22 -07:00
Junio C Hamano e0ef7fe78c Eighth batch for 2.13
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-27 11:00:12 -07:00
Junio C Hamano 3d6586d100 Merge branch 'km/config-grammofix'
Doc update.

* km/config-grammofix:
  doc/config: grammar fixes for core.{editor,commentChar}
2017-03-27 10:59:29 -07:00
Junio C Hamano 844768a298 Merge branch 'sb/describe-broken'
"git describe --dirty" dies when it cannot be determined if the
state in the working tree matches that of HEAD (e.g. broken
repository or broken submodule).  The command learned a new option
"git describe --broken" to give "$name-broken" (where $name is the
description of HEAD) in such a case.

* sb/describe-broken:
  builtin/describe: introduce --broken flag
2017-03-27 10:59:28 -07:00
Junio C Hamano 4e87565d2a Merge branch 'sb/push-options-via-transport'
Recently we started passing the "--push-options" through the
external remote helper interface; now the "smart HTTP" remote
helper understands what to do with the passed information.

* sb/push-options-via-transport:
  remote-curl: allow push options
  send-pack: send push options correctly in stateless-rpc case
2017-03-27 10:59:27 -07:00
Ævar Arnfjörð Bjarmason 244ea1b5e4 rev-parse: match @{upstream}, @{u} and @{push} case-insensitively
Change the revision parsing logic to match @{upstream}, @{u} & @{push}
case-insensitively.

Before this change supplying anything except the lower-case forms
emits an "unknown revision or path not in the working tree"
error. This change makes upper-case & mixed-case versions equivalent
to the lower-case versions.

The use-case for this is being able to hold the shift key down while
typing @{u} on certain keyboard layouts, which makes the sequence
easier to type, and reduces cases where git throws an error at the
user where it could do what he means instead.

These suffixes now join various other suffixes & special syntax
documented in gitrevisions(7) that matches case-insensitively. A table
showing the status of the various forms documented there before &
after this patch is shown below. The key for the table is:

 - CI  = Case Insensitive
 - CIP = Case Insensitive Possible (without ambiguities)
 - AG  = Accepts Garbage (.e.g. @{./.4.minutes./.})

Before this change:

    |----------------+-----+------+-----|
    | What?          | CI? | CIP? | AG? |
    |----------------+-----+------+-----|
    | @{<date>}      | Y   | Y    | Y   |
    | @{upstream}    | N   | Y    | N   |
    | @{push}        | N   | Y    | N   |
    |----------------+-----+------+-----|

After it:

    |----------------+-----+------+-----|
    | What?          | CI? | CIP? | AG? |
    |----------------+-----+------+-----|
    | @{<date>}      | Y   | Y    | Y   |
    | @{upstream}    | Y   | Y    | N   |
    | @{push}        | Y   | Y    | N   |
    |----------------+-----+------+-----|

The ^{<type>} suffix is not made case-insensitive, because other
places that take <type> like "cat-file -t <type>" do want them case
sensitively (after all we never declared that type names are case
insensitive). Allowing case-insensitive typename only with this syntax
will make the resulting Git as a whole inconsistent.

This change was independently authored to scratch a longtime itch, but
when I was about to submit it I discovered that a similar patch had
been submitted unsuccessfully before by Conrad Irwin in August 2011 as
"rev-parse: Allow @{U} as a synonym for
@{u}" (<1313287071-7851-1-git-send-email-conrad.irwin@gmail.com>).

The tests for this patch are more exhaustive than in the 2011
submission. The starting point for them was to first change the code
to only support upper-case versions of the existing words, seeing what
broke, and amending the breaking tests to check upper case & mixed
case as appropriate, and where not redundant to other similar
tests. The implementation itself is equivalent.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-27 10:45:44 -07:00
Ævar Arnfjörð Bjarmason 48a96972fd doc/SubmittingPatches: show how to get a CLI commit summary
Amend the section which describes how to get a commit summary to show
how do to that with "git show", currently the documentation only shows
how to do that with gitk.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-26 15:59:08 -07:00
Junio C Hamano 034667a458 Git 2.12.2
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Sync with 2.12.2
2017-03-24 13:31:01 -07:00
Junio C Hamano ea5b2dd28f Seventh batch for 2.13
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-24 13:30:34 -07:00
Junio C Hamano 78cf8efec3 Merge branch 'dl/credential-cache-socket-in-xdg-cache'
The default location "~/.git-credential-cache/socket" for the
socket used to communicate with the credential-cache daemon has
been moved to "~/.cache/git/credential/socket".

* dl/credential-cache-socket-in-xdg-cache:
  credential-cache: add tests for XDG functionality
  credential-cache: use XDG_CACHE_HOME for socket
  path.c: add xdg_cache_home
2017-03-24 13:07:34 -07:00
Junio C Hamano 8f9aeb0d36 Git 2.12.2
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-24 12:59:15 -07:00
Junio C Hamano 75d4476f52 Merge branch 'ab/doc-no-option-notation-fix' into maint
Doc fix.

* ab/doc-no-option-notation-fix:
  doc: change erroneous --[no]-whatever into --[no-]whatever
2017-03-24 12:57:55 -07:00
Junio C Hamano ce9e6178d3 Merge branch 'ab/push-default-doc-fix' into maint
Doc fix.

* ab/push-default-doc-fix:
  push: mention "push.default=tracking" in the documentation
2017-03-24 12:57:54 -07:00
Junio C Hamano 7bd881f7ca Merge branch 'nd/commit-hook-doc-fix' into maint
Doc fix.

* nd/commit-hook-doc-fix:
  git-commit.txt: list post-rewrite in HOOKS section
2017-03-24 12:57:54 -07:00
Ævar Arnfjörð Bjarmason 783b829287 ref-filter: reflow recently changed branch/tag/for-each-ref docs
Reflow the recently changed branch/tag-for-each-ref
documentation. This change shows no changes under --word-diff, except
the innocuous change of moving git-tag.txt's "[--sort=<key>]" around
slightly.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-24 12:15:26 -07:00
Ævar Arnfjörð Bjarmason ac3f5a3468 ref-filter: add --no-contains option to tag/branch/for-each-ref
Change the tag, branch & for-each-ref commands to have a --no-contains
option in addition to their longstanding --contains options.

This allows for finding the last-good rollout tag given a known-bad
<commit>. Given a hypothetically bad commit cf5c7253e0, the git
version to revert to can be found with this hacky two-liner:

    (git tag -l 'v[0-9]*'; git tag -l --contains cf5c7253e0 'v[0-9]*') |
        sort | uniq -c | grep -E '^ *1 ' | awk '{print $2}' | tail -n 10

With this new --no-contains option the same can be achieved with:

    git tag -l --no-contains cf5c7253e0 'v[0-9]*' | sort | tail -n 10

As the filtering machinery is shared between the tag, branch &
for-each-ref commands, implement this for those commands too. A
practical use for this with "branch" is e.g. finding branches which
were branched off between v2.8.0 and v2.10.0:

    git branch --contains v2.8.0 --no-contains v2.10.0

The "describe" command also has a --contains option, but its semantics
are unrelated to what tag/branch/for-each-ref use --contains for. A
--no-contains option for "describe" wouldn't make any sense, other
than being exactly equivalent to not supplying --contains at all,
which would be confusing at best.

Add a --without option to "tag" as an alias for --no-contains, for
consistency with --with and --contains.  The --with option is
undocumented, and possibly the only user of it is
Junio (<xmqqefy71iej.fsf@gitster.mtv.corp.google.com>). But it's
trivial to support, so let's do that.

The additions to the the test suite are inverse copies of the
corresponding --contains tests. With this change --no-contains for
tag, branch & for-each-ref is just as well tested as the existing
--contains option.

In addition to those tests, add a test for "tag" which asserts that
--no-contains won't find tree/blob tags, which is slightly
unintuitive, but consistent with how --contains works & is documented.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-24 12:15:26 -07:00
Ævar Arnfjörð Bjarmason 1e0c3b680c tag: change --point-at to default to HEAD
Change the --points-at option to default to HEAD for consistency with
its siblings --contains, --merged etc. which default to
HEAD. Previously we'd get:

    $ git tag --points-at 2>&1 | head -n 1
    error: option `points-at' requires a value

This changes behavior added in commit ae7706b9ac (tag: add --points-at
list option, 2012-02-08).

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-24 12:15:26 -07:00
Ævar Arnfjörð Bjarmason 6a338149f6 tag: implicitly supply --list given another list-like option
Change the "tag" command to implicitly turn on its --list mode when
provided with a list-like option such as --contains, --points-at etc.

This is for consistency with how "branch" works. When "branch" is
given a list-like option, such as --contains, it implicitly provides
--list. Before this change "tag" would error out on those sorts of
invocations. I.e. while both of these worked for "branch":

    git branch --contains v2.8.0 <pattern>
    git branch --list --contains v2.8.0 <pattern>

Only the latter form worked for "tag":

    git tag --contains v2.8.0 '*rc*'
    git tag --list --contains v2.8.0 '*rc*'

Now "tag", like "branch", will implicitly supply --list when a
list-like option is provided, and no other conflicting non-list
options (such as -d) are present on the command-line.

Spelunking through the history via:

    git log --reverse -p -G'only allowed with' -- '*builtin*tag*c'

Reveals that there was no good reason for not allowing this in the
first place. The --contains option added in 32c35cfb1e ("git-tag: Add
--contains option", 2009-01-26) made this an error. All the other
subsequent list-like options that were added copied its pattern of
making this usage an error.

The only tests that break as a result of this change are tests that
were explicitly checking that this "branch-like" usage wasn't
permitted. Change those failing tests to check that this invocation
mode is permitted, add extra tests for the list-like options we
weren't testing, and tests to ensure that e.g. we don't toggle the
list mode in the presence of other conflicting non-list options.

With this change errors messages such as "--contains option is only
allowed with -l" don't make sense anymore, since options like
--contain turn on -l. Instead we error out when list-like options such
as --contain are used in conjunction with conflicting options such as
-d or -v.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-24 12:15:26 -07:00
Ævar Arnfjörð Bjarmason c485b24c42 tag: change misleading --list <pattern> documentation
Change the documentation for --list so that it's described as a
toggle, not as an option that takes a <pattern> as an argument.

Junio initially documented this in b867c7c23a ("git-tag: -l to list
tags (usability).", 2006-02-17), but later Jeff King changed "tag" to
accept multiple patterns in 588d0e834b ("tag: accept multiple patterns
for --list", 2011-06-20).

However, documenting this as "-l <pattern>" was never correct, as
these both worked before Jeff's change:

    git tag -l 'v*'
    git tag 'v*' -l

One would expect an option that was documented like that to only
accept:

    git tag --list
    git tag --list 'v*rc*'

And after Jeff's change, one that took multiple patterns:

    git tag --list 'v*rc*' --list '*2.8*'

But since it's actually a toggle all of these work as well, and
produce identical output to the last example above:

    git tag --list 'v*rc*' '*2.8*'
    git tag --list 'v*rc*' '*2.8*' --list --list --list
    git tag --list 'v*rc*' '*2.8*' --list -l --list -l --list

Now the documentation is more in tune with how the "branch" command
describes its --list option since commit cddd127b9a ("branch:
introduce --list option", 2011-08-28).

Change the test suite to assert that these invocations work for the
cases that weren't already being tested for.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-24 12:15:25 -07:00
Junio C Hamano 75ec4a6cb0 branch doc: update description for --list
The paragraph begins with a sample command line `git branch <name>`
that has nothing to do with the option being described.  Remove it,
but use the space to instead show that multiple patterns can be
given.

Also mention the unfortunate `-l` that can be easily confused with
it.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Reviewed-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-24 10:15:49 -07:00
Ævar Arnfjörð Bjarmason b66f3b6bba branch doc: change git branch <pattern> to use <branchname>
Change an example for `git branch <pattern>` to say `git branch
<branchname>` to be consistent with the synopsis. This changes
documentation added in d8d33736b5 ("branch: allow pattern arguments",
2011-08-28).

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-23 21:22:25 -07:00
Kyle Meyer e7e183d6ee doc/config: grammar fixes for core.{editor,commentChar}
Signed-off-by: Kyle Meyer <kyle@kyleam.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-23 12:04:08 -07:00
Jeff Hostetler 4f4458aafa hashmap: document memihash_cont, hashmap_disallow_rehash api
Document memihash_cont() and hashmap_disallow_rehash()
in Documentation/technical/api-hashmap.txt.

Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-23 10:40:07 -07:00
Brandon Williams 511155db51 remote-curl: allow push options
Teach remote-curl to understand push options and to be able to convey
them across HTTP.

Signed-off-by: Brandon Williams <bmwill@google.com>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-22 15:41:21 -07:00
Stefan Beller b0176ce6b5 builtin/describe: introduce --broken flag
git-describe tells you the version number you're at, or errors out, e.g.
when you run it outside of a repository, which may happen when downloading
a tar ball instead of using git to obtain the source code.

To keep this property of only erroring out, when not in a repository,
severe (submodule) errors must be downgraded to reporting them gently
instead of having git-describe error out completely.

To achieve that a flag '--broken' is introduced, which is in the same
vein as '--dirty' but uses an actual child process to check for dirtiness.
When that child dies unexpectedly, we'll append '-broken' instead of
'-dirty'.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-22 10:13:41 -07:00
Junio C Hamano afd6726309 Sync with maint 2017-03-21 15:11:38 -07:00
Junio C Hamano 92f74a6192 Sixth batch for 2.13
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-21 15:11:13 -07:00
Junio C Hamano fbcfbc4d5d Merge branch 'nd/commit-hook-doc-fix'
Doc fix.

* nd/commit-hook-doc-fix:
  git-commit.txt: list post-rewrite in HOOKS section
2017-03-21 15:07:20 -07:00
Junio C Hamano b7b57b1434 Merge branch 'ab/push-default-doc-fix'
Doc fix.

* ab/push-default-doc-fix:
  push: mention "push.default=tracking" in the documentation
2017-03-21 15:07:19 -07:00
Junio C Hamano 9f43095e46 Merge branch 'ab/doc-no-option-notation-fix'
Doc fix.

* ab/doc-no-option-notation-fix:
  doc: change erroneous --[no]-whatever into --[no-]whatever
2017-03-21 15:07:19 -07:00
Junio C Hamano 4b7989b103 Merge branch 'nd/conditional-config-include'
The configuration file learned a new "includeIf.<condition>.path"
that includes the contents of the given path only when the
condition holds.  This allows you to say "include this work-related
bit only in the repositories under my ~/work/ directory".

* nd/conditional-config-include:
  config: add conditional include
  config.txt: reflow the second include.path paragraph
  config.txt: clarify multiple key values in include.path
2017-03-21 15:07:18 -07:00
Junio C Hamano 8624735d9a Prepare for 2.12.2
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-21 15:04:12 -07:00
Junio C Hamano d30ec1bece Merge branch 'dt/gc-ignore-old-gc-logs' into maint
A "gc.log" file left by a backgrounded "gc --auto" disables further
automatic gc; it has been taught to run at least once a day (by
default) by ignoring a stale "gc.log" file that is too old.

* dt/gc-ignore-old-gc-logs:
  gc: ignore old gc.log files
2017-03-21 15:03:28 -07:00
Junio C Hamano 5c6bc96896 Merge branch 'ps/docs-diffcore' into maint
Doc update.

* ps/docs-diffcore:
  docs/diffcore: unquote "Complete Rewrites" in headers
  docs/diffcore: fix grammar in diffcore-rename header
2017-03-21 15:03:25 -07:00
Ævar Arnfjörð Bjarmason 2ee0056779 doc/SubmittingPatches: clarify the casing convention for "area: change..."
Amend the section which describes how the first line of the subject
should look like to say that the ":" in "area: " shouldn't be treated
like a full stop for the purposes of letter casing.

Change the two subject examples to make this new paragraph clearer,
i.e. "unstar" is not a common word, and "git-cherry-pick.txt" is a
much longer string than "githooks.txt". Pick two recent commits from
git.git that fit better for the description.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-21 12:00:43 -07:00
Ævar Arnfjörð Bjarmason 17d6c744dc ref-filter: make combining --merged & --no-merged an error
Change the behavior of specifying --merged & --no-merged to be an
error, instead of silently picking the option that was provided last.

Subsequent changes of mine add a --no-contains option in addition to
the existing --contains. Providing both of those isn't an error, and
has actual meaning.

Making its cousins have different behavior in this regard would be
confusing to the user, especially since we'd be silently disregarding
some of their command-line input.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-21 11:19:52 -07:00
Ævar Arnfjörð Bjarmason 8881d35cac tag doc: reword --[no-]merged to talk about commits, not tips
Change the wording for the --merged and --no-merged options to talk
about "commits" instead of "tips".

This phrasing was copied from the "branch" documentation in commit
5242860f54 ("tag.c: implement '--merged' and '--no-merged' options",
2015-09-10). Talking about the "tip" is branch nomenclature, not
something usually associated with tags.

This phrasing might lead the reader to believe that these options
might find tags pointing to trees or blobs, let's instead be explicit
and only talk about commits.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-21 11:19:52 -07:00
Ævar Arnfjörð Bjarmason b084060921 tag doc: split up the --[no-]merged documentation
Split up the --[no-]merged documentation into documentation that
documents each option independently. This is in line with how "branch"
and "for-each-ref" are documented, and makes subsequent changes to
discuss the limits & caveats of each option easier to read.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-21 11:19:52 -07:00
Ævar Arnfjörð Bjarmason 0488792d2e tag doc: move the description of --[no-]merged earlier
Move the documentation for the --merged & --no-merged options earlier
in the documentation, to sit along the other switches, and right next
to the similar --contains and --points-at switches.

It makes more sense to group the options together, not have some
options after the like of <tagname>, <object>, <format> etc.

This was originally put there when the --merged & --no-merged options
were introduced in 5242860f54 ("tag.c: implement '--merged' and
'--no-merged' options", 2015-09-10). It's not apparent from that
commit that the documentation is being placed apart from other
options, rather than along with them, so this was likely missed in the
initial review.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-21 11:19:52 -07:00
Junio C Hamano c0f9c70589 Git 2.12.1
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Sync with 2.12.1
2017-03-20 13:56:13 -07:00
Junio C Hamano 1f6b1afea0 Git 2.12.1
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-20 13:17:08 -07:00
Ævar Arnfjörð Bjarmason e4e016f65d push: mention "push.default=tracking" in the documentation
Change the documentation for push.tracking=* to re-include a mention
of what "tracking" does.

The "tracking" option was renamed to "upstream" back in
53c4031 ("push.default: Rename 'tracking' to 'upstream'", 2011-02-16),
this section was then subsequently rewritten in 87a70e4 ("config doc:
rewrite push.default section", 2013-06-19) to remove any mention of
"tracking".

Maybe we should just warn or die nowadays if this option is in the
config, but I had some old config of mine use this option, I'd
forgotten that it was a synonym, and nothing in git's documentation
mentioned that.

That's bad, either we shouldn't support it at all, or we should
document what it does. This patch does the latter.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-20 10:59:43 -07:00
Nguyễn Thái Ngọc Duy baced9e4e5 git-commit.txt: list post-rewrite in HOOKS section
The hook was added in a86ed83cce (Merge branch 'tr/notes-display' -
2010-03-24), which updated githooks.txt but not git-commit.txt.

git-commit.txt was later updated in e858af6d50 (commit: document a
couple of options - 2012-06-08). Since this commit focused on command
line options, this section was probably forgotten.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-20 10:53:29 -07:00
Ævar Arnfjörð Bjarmason 2c7ee986c7 doc: change erroneous --[no]-whatever into --[no-]whatever
Change these two obvious typos to be in line with the rest of the
documentation, which uses the correct --[no-]whatever form.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-20 10:04:57 -07:00
Brandon Williams bb62e0a99f clone: teach --recurse-submodules to optionally take a pathspec
Teach clone --recurse-submodules to optionally take a pathspec argument
which describes which submodules should be recursively initialized and
cloned.  If no pathspec is provided, --recurse-submodules will
recursively initialize and clone all submodules by using a default
pathspec of ".".  In order to construct more complex pathspecs,
--recurse-submodules can be given multiple times.

This also configures the 'submodule.active' configuration option to be
the given pathspec, such that any future invocation of `git submodule
update` will keep up with the pathspec.

Additionally the switch '--recurse' is removed from the Documentation as
well as marked hidden in the options array, to streamline the options
for submodules.  A simple '--recurse' doesn't convey what is being
recursed, e.g. it could mean directories or trees (c.f. ls-tree) In a
lot of other commands we already have '--recurse-submodules' to mean
recursing into submodules, so advertise this spelling here as the
genuine option.

Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-18 09:51:23 -07:00
Brandon Williams 3e7eaed016 submodule init: initialize active submodules
Teach `submodule init` to initialize submodules which have been
configured to be active by setting 'submodule.active' with a pathspec.

Now if no path arguments are given and 'submodule.active' is configured,
`init` will initialize all submodules which have been configured to be
active.  If no path arguments are given and 'submodule.active' is not
configured, then `init` will retain the old behavior of initializing all
submodules.

This allows users to record more complex patterns as it saves retyping
them whenever you invoke update.

Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-18 09:51:23 -07:00
Brandon Williams a086f921a7 submodule: decouple url and submodule interest
Currently the submodule.<name>.url config option is used to determine if
a given submodule is of interest to the user.  This ends up being
cumbersome in a world where we want to have different submodules checked
out in different worktrees or a more generalized mechanism to select
which submodules are of interest.

In a future with worktree support for submodules, there will be multiple
working trees, each of which may only need a subset of the submodules
checked out.  The URL (which is where the submodule repository can be
obtained) should not differ between different working trees.

It may also be convenient for users to more easily specify groups of
submodules they are interested in as opposed to running "git submodule
init <path>" on each submodule they want checked out in their working
tree.

To this end two config options are introduced, submodule.active and
submodule.<name>.active.  The submodule.active config holds a pathspec
that specifies which submodules should exist in the working tree.  The
submodule.<name>.active config is a boolean flag used to indicate if
that particular submodule should exist in the working tree.

Its important to note that submodule.active functions differently than
the other configuration options since it takes a pathspec.  This allows
users to adopt at least two new workflows:

  1. Submodules can be grouped with a leading directory, such that a
     pathspec e.g. 'lib/' would cover all library-ish modules to allow
     those who are interested in library-ish modules to set
     "submodule.active = lib/" just once to say any and all modules in
     'lib/' are interesting.

  2. Once the pathspec-attribute feature is invented, users can label
     submodules with attributes to group them, so that a broad pathspec
     with attribute requirements, e.g. ':(attr:lib)', can be used to say
     any and all modules with the 'lib' attribute are interesting.
     Since the .gitattributes file, just like the .gitmodules file, is
     tracked by the superproject, when a submodule moves in the
     superproject tree, the project can adjust which path gets the
     attribute in .gitattributes, just like it can adjust which path has
     the submodule in .gitmodules.

Neither of these two additional configuration options solve the problem
of wanting different submodules checked out in different worktrees
because multiple worktrees share .git/config.  Only once per-worktree
configurations become a reality can this be solved, but this is a
necessary preparatory step for that future.

Given these multiple ways to check if a submodule is of interest, the
more fine-grained submodule.<name>.active option has the highest order
of precedence followed by the pathspec check against submodule.active.
To ensure backwards compatibility, if neither of these options are set,
git falls back to checking the submodule.<name>.url option to determine
if a submodule is interesting.

Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-18 09:51:23 -07:00
Junio C Hamano 9d77b0405c Fifth batch for 2.13
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-17 13:51:58 -07:00
Junio C Hamano f6c64c648a Merge branch 'bw/attr-pathspec'
The pathspec mechanism learned to further limit the paths that
match the pattern to those that have specified attributes attached
via the gitattributes mechanism.

* bw/attr-pathspec:
  pathspec: allow escaped query values
  pathspec: allow querying for attributes
2017-03-17 13:50:26 -07:00
Junio C Hamano 3edcc04862 Merge branch 'sb/rev-parse-show-superproject-root'
From a working tree of a repository, a new option of "rev-parse"
lets you ask if the repository is used as a submodule of another
project, and where the root level of the working tree of that
project (i.e. your superproject) is.

* sb/rev-parse-show-superproject-root:
  rev-parse: add --show-superproject-working-tree
2017-03-17 13:50:25 -07:00
Junio C Hamano 94c9b5af70 Merge branch 'cc/split-index-config'
The experimental "split index" feature has gained a few
configuration variables to make it easier to use.

* cc/split-index-config: (22 commits)
  Documentation/git-update-index: explain splitIndex.*
  Documentation/config: add splitIndex.sharedIndexExpire
  read-cache: use freshen_shared_index() in read_index_from()
  read-cache: refactor read_index_from()
  t1700: test shared index file expiration
  read-cache: unlink old sharedindex files
  config: add git_config_get_expiry() from gc.c
  read-cache: touch shared index files when used
  sha1_file: make check_and_freshen_file() non static
  Documentation/config: add splitIndex.maxPercentChange
  t1700: add tests for splitIndex.maxPercentChange
  read-cache: regenerate shared index if necessary
  config: add git_config_get_max_percent_split_change()
  Documentation/git-update-index: talk about core.splitIndex config var
  Documentation/config: add information for core.splitIndex
  t1700: add tests for core.splitIndex
  update-index: warn in case of split-index incoherency
  read-cache: add and then use tweak_split_index()
  split-index: add {add,remove}_split_index() functions
  config: add git_config_get_split_index()
  ...
2017-03-17 13:50:23 -07:00
Devin Lehmacher 60759baac1 credential-cache: use XDG_CACHE_HOME for socket
Make git-credential-cache follow the XDG base path specification by
default. This increases consistency with other applications and helps
keep clutter out of users' home directories.

Check the old socket location, ~/.git-credential-cache/, and use
~/.git-credential-cache/socket if that directory exists rather than
forcing users who have used `git credential-cache` before to migrate to
the new XDG compliant location.
Otherwise use the socket $XDG_CACHE_HOME/git/credential/socket following
XDG base path specification. Use the subdirectory credential/ in case
other files are cached under $XDG_CACHE_HOME/git/ in the future and to
make the socket's purpose clear.

Signed-off-by: Devin Lehmacher <lehmacdj@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-17 11:19:40 -07:00
Stefan Beller 25804914fa builtin/read-tree: add --recurse-submodules switch
A new known failure mode is introduced[1], which is actually not
a failure but a feature in read-tree. Unlike checkout for which
the recursive submodule tests were originally written, read-tree does
warn about ignored untracked files that would be overwritten.
For the sake of keeping the test library for submodules generic, just
mark the test as a failure.

[1] KNOWN_FAILURE_SUBMODULE_OVERWRITE_IGNORED_UNTRACKED

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-16 14:07:16 -07:00
Stefan Beller 1fc458d958 builtin/checkout: add --recurse-submodules switch
This exposes a flag to recurse into submodules
in builtin/checkout making use of the code implemented
in prior patches.

A new failure mode is introduced in the submodule
update library, as the directory/submodule conflict
is not solved in prior patches.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-16 14:07:16 -07:00
Junio C Hamano 32c43f595f Sync with 'maint'
* maint:
  Preparing for 2.12.1
2017-03-16 14:03:11 -07:00
Junio C Hamano 7c9c2f8c39 Preparing for 2.12.1
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-16 14:01:20 -07:00
Junio C Hamano 4a9b9b32d4 Fourth batch after 2.12
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-14 15:29:40 -07:00
Junio C Hamano 5296357386 Merge branch 'dp/filter-branch-prune-empty'
"git filter-branch --prune-empty" drops a single-parent commit that
becomes a no-op, but did not drop a root commit whose tree is empty.

* dp/filter-branch-prune-empty:
  p7000: add test for filter-branch with --prune-empty
  filter-branch: fix --prune-empty on parentless commits
  t7003: ensure --prune-empty removes entire branch when applicable
  t7003: ensure --prune-empty can prune root commit
2017-03-14 15:23:19 -07:00
Brandon Williams b0db704652 pathspec: allow querying for attributes
The pathspec mechanism is extended via the new
":(attr:eol=input)pattern/to/match" syntax to filter paths so that it
requires paths to not just match the given pattern but also have the
specified attrs attached for them to be chosen.

Based on a patch by Stefan Beller <sbeller@google.com>
Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-13 15:28:54 -07:00
Junio C Hamano d6db3f2165 Third batch after 2.12
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-12 23:24:14 -07:00
Junio C Hamano ff3898649b Merge branch 'ah/doc-ls-files-quotepath'
Documentation for "git ls-files" did not refer to core.quotePath

* ah/doc-ls-files-quotepath:
  Documentation: improve description for core.quotePath
2017-03-12 23:21:37 -07:00
Nguyễn Thái Ngọc Duy 3efd0bedc6 config: add conditional include
Sometimes a set of repositories want to share configuration settings
among themselves that are distinct from other such sets of repositories.
A user may work on two projects, each of which have multiple
repositories, and use one user.email for one project while using another
for the other.

Setting $GIT_DIR/.config works, but if the penalty of forgetting to
update $GIT_DIR/.config is high (especially when you end up cloning
often), it may not be the best way to go. Having the settings in
~/.gitconfig, which would work for just one set of repositories, would
not well in such a situation. Having separate ${HOME}s may add more
problems than it solves.

Extend the include.path mechanism that lets a config file include
another config file, so that the inclusion can be done only when some
conditions hold. Then ~/.gitconfig can say "include config-project-A
only when working on project-A" for each project A the user works on.

In this patch, the only supported grouping is based on $GIT_DIR (in
absolute path), so you would need to group repositories by directory, or
something like that to take advantage of it.

We already have include.path for unconditional includes. This patch goes
with includeIf.<condition>.path to make it clearer that a condition is
required. The new config has the same backward compatibility approach as
include.path: older git versions that don't understand includeIf will
simply ignore them.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-11 19:56:16 -08:00
Nguyễn Thái Ngọc Duy 1050e9874b config.txt: reflow the second include.path paragraph
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-11 19:49:43 -08:00
Nguyễn Thái Ngọc Duy df0233be96 config.txt: clarify multiple key values in include.path
The phrasing in this paragraph may give an impression that you can only
use it once. Rephrase it a bit.

Helped-by: Philip Oakley <philipoakley@iee.org>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-11 19:49:30 -08:00
Junio C Hamano 625568cd88 Second batch after 2.12
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-10 13:25:21 -08:00
Junio C Hamano 44c3f09fa5 Merge branch 'tg/stash-push'
"git stash save" takes a pathspec so that the local changes can be
stashed away only partially.

* tg/stash-push:
  stash: allow pathspecs in the no verb form
  stash: use stash_push for no verb form
  stash: teach 'push' (and 'create_stash') to honor pathspec
  stash: refactor stash_create
  stash: add test for the create command line arguments
  stash: introduce push verb
2017-03-10 13:24:24 -08:00
Junio C Hamano ae900ebd71 Merge branch 'sb/submodule-init-url-selection'
When "git submodule init" decides that the submodule in the working
tree is its upstream, it now gives a warning as it is not a very
common setup.

* sb/submodule-init-url-selection:
  submodule init: warn about falling back to a local path
2017-03-10 13:24:24 -08:00
Junio C Hamano 9664cef1eb Merge branch 'ps/docs-diffcore'
Doc update.

* ps/docs-diffcore:
  docs/diffcore: unquote "Complete Rewrites" in headers
  docs/diffcore: fix grammar in diffcore-rename header
2017-03-10 13:24:24 -08:00
Stefan Beller bf0231c661 rev-parse: add --show-superproject-working-tree
In some situations it is useful to know if the given repository
is a submodule of another repository.

Add the flag --show-superproject-working-tree to git-rev-parse
to make it easy to find out if there is a superproject. When no
superproject exists, the output will be empty.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-08 15:52:03 -08:00
Christian Couder b46013950a Documentation/git-update-index: explain splitIndex.*
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-06 12:09:28 -08:00
Christian Couder b2dd1c5c34 Documentation/config: add splitIndex.sharedIndexExpire
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-06 12:09:28 -08:00
Devin J. Pohly a582a82d24 filter-branch: fix --prune-empty on parentless commits
Previously, the git_commit_non_empty_tree function would always pass any
commit with no parents to git-commit-tree, regardless of whether the
tree was nonempty.  The new commit would then be recorded in the
filter-branch revision map, and subsequent commits which leave the tree
untouched would be correctly filtered.

With this change, parentless commits with an empty tree are correctly
pruned, and an empty file is recorded in the revision map, signifying
that it was rewritten to "no commits."  This works naturally with the
parent mapping for subsequent commits.

Signed-off-by: Devin J. Pohly <djpohly@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-03 12:43:37 -08:00
Andreas Heiduk 860cd699c2 Documentation: improve description for core.quotePath
Linking the description for pathname quoting to the configuration
variable "core.quotePath" removes inconstistent and incomplete
sections while also giving two hints how to deal with it: Either with
"-c core.quotePath=false" or with "-z".

Signed-off-by: Andreas Heiduk <asheiduk@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-02 11:40:51 -08:00
Christian Couder e77cf4ee65 Documentation/config: add splitIndex.maxPercentChange
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-01 13:24:22 -08:00
Christian Couder 13c0e4c478 Documentation/git-update-index: talk about core.splitIndex config var
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-01 13:24:22 -08:00
Christian Couder 66f9e7a6e8 Documentation/config: add information for core.splitIndex
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-01 13:24:21 -08:00
Thomas Gummerer 9e140909f6 stash: allow pathspecs in the no verb form
Now that stash_push is used in the no verb form of stash, allow
specifying the command line for this form as well.  Always use -- to
disambiguate pathspecs from other non-option arguments.

Also make git stash -p an alias for git stash push -p.  This allows
users to use git stash -p <pathspec>.

Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-28 14:21:10 -08:00
Thomas Gummerer 1ada5020b3 stash: use stash_push for no verb form
Now that we have stash_push, which accepts pathspec arguments, use
it instead of stash_save in git stash without any additional verbs.

Previously we allowed git stash -- -message, which is no longer allowed
after this patch.  Messages starting with a hyphen was allowed since
3c2eb80f, ("stash: simplify defaulting to "save" and reject unknown
options").  However it was never the intent to allow that, but rather it
was allowed accidentally.

Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-28 14:21:10 -08:00
Thomas Gummerer df6bba0937 stash: teach 'push' (and 'create_stash') to honor pathspec
While working on a repository, it's often helpful to stash the changes
of a single or multiple files, and leave others alone.  Unfortunately
git currently offers no such option.  git stash -p can be used to work
around this, but it's often impractical when there are a lot of changes
over multiple files.

Allow 'git stash push' to take pathspec to specify which paths to stash.

Helped-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-28 14:21:05 -08:00
Stefan Beller d1b3b81aab submodule init: warn about falling back to a local path
When a submodule is initialized, the config variable 'submodule.<name>.url'
is set depending on the value of the same variable in the .gitmodules
file. When the URL indicates to be relative, then the url is computed
relative to its default remote. The default remote cannot be determined
accurately in all cases, such that it falls back to 'origin'.

The 'origin' remote may not exist, though. In that case we give up looking
for a suitable remote and we'll just assume it to be a local relative path.

This can be confusing to users as there is a lot of guessing involved,
which is not obvious to the user.

So in the corner case of assuming a local autoritative truth, warn the
user to lessen the confusion.

This behavior was introduced in 4d6893200 (submodule add: allow relative
repository path even when no url is set, 2011-06-06), which shared the
code with submodule-init and then ported to C in 3604242f08 (submodule:
port init from shell to C, 2016-04-15).

In case of submodule-add, this behavior makes sense in some use cases[1],
however for submodule-init there does not seem to be an immediate obvious
use case to fall back to a local submodule. However there might be, so
warn instead of die here.

While adding the warning, also clarify the behavior of relative URLs in
the documentation.

[1] e.g. http://stackoverflow.com/questions/8721984/git-ignore-files-for-public-repository-but-not-for-private
"store a secret locally in a submodule, with no intention to publish it"

Reported-by: Shawn Pearce <spearce@spearce.org>
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-28 13:46:22 -08:00
Patrick Steinhardt b803ae4427 docs/diffcore: unquote "Complete Rewrites" in headers
The gitdiffcore documentation quotes the term "Complete Rewrites" in
headers for no real gain. This would make sense if the term could be
easily confused if not properly grouped together. But actually, the term
is quite obvious and thus does not really need any quoting, especially
regarding that it is not used anywhere else.

But more importanly, this brings up a bug when rendering man pages: when
trying to render quotes inside of a section header, we end up with
quotes which have been misaligned to the end of line. E.g.

    diffcore-break: For Splitting Up Complete Rewrites
    --------------------------------------------------

renders as

    DIFFCORE-BREAK: FOR SPLITTING UP  COMPLETE REWRITES""

, which is obviously wrong. While this is fixable for the man pages by
using double-quotes (e.g. ""COMPLETE REWRITES""), this again breaks it
for our generated HTML pages.

So fix the issue by simply dropping quotes inside of section headers,
which is currently only done for the term "Complete Rewrites".

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-28 11:34:38 -08:00
Patrick Steinhardt 1aa38199af docs/diffcore: fix grammar in diffcore-rename header
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-28 11:34:36 -08:00
Junio C Hamano 3bc53220cb First batch after 2.12
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-27 14:04:24 -08:00
Junio C Hamano c96bc189b5 Merge branch 'dt/gc-ignore-old-gc-logs'
A "gc.log" file left by a backgrounded "gc --auto" disables further
automatic gc; it has been taught to run at least once a day (by
default) by ignoring a stale "gc.log" file that is too old.

* dt/gc-ignore-old-gc-logs:
  gc: ignore old gc.log files
2017-02-27 13:57:15 -08:00
Junio C Hamano be6ab596a8 Merge branch 'sf/putty-w-args'
The command line options for ssh invocation needs to be tweaked for
some implementations of SSH (e.g. PuTTY plink wants "-P <port>"
while OpenSSH wants "-p <port>" to specify port to connect to), and
the variant was guessed when GIT_SSH environment variable is used
to specify it.  The logic to guess now applies to the command
specified by the newer GIT_SSH_COMMAND and also core.sshcommand
configuration variable, and comes with an escape hatch for users to
deal with misdetected cases.

* sf/putty-w-args:
  connect.c: stop conflating ssh command names and overrides
  connect: Add the envvar GIT_SSH_VARIANT and ssh.variant config
  git_connect(): factor out SSH variant handling
  connect: rename tortoiseplink and putty variables
  connect: handle putty/plink also in GIT_SSH_COMMAND
2017-02-27 13:57:15 -08:00
Junio C Hamano a04855bae8 Merge branch 'bw/attr'
The gitattributes machinery is being taught to work better in a
multi-threaded environment.

* bw/attr: (27 commits)
  attr: reformat git_attr_set_direction() function
  attr: push the bare repo check into read_attr()
  attr: store attribute stack in attr_check structure
  attr: tighten const correctness with git_attr and match_attr
  attr: remove maybe-real, maybe-macro from git_attr
  attr: eliminate global check_all_attr array
  attr: use hashmap for attribute dictionary
  attr: change validity check for attribute names to use positive logic
  attr: pass struct attr_check to collect_some_attrs
  attr: retire git_check_attrs() API
  attr: convert git_check_attrs() callers to use the new API
  attr: convert git_all_attrs() to use "struct attr_check"
  attr: (re)introduce git_check_attr() and struct attr_check
  attr: rename function and struct related to checking attributes
  attr.c: outline the future plans by heavily commenting
  Documentation: fix a typo
  attr.c: add push_stack() helper
  attr: support quoting pathname patterns in C style
  attr.c: plug small leak in parse_attr_line()
  attr.c: tighten constness around "git_attr" structure
  ...
2017-02-27 13:57:14 -08:00
Junio C Hamano fdeb89fdeb Merge branch 'sg/completion'
Clean-up and updates to command line completion (in contrib/).

* sg/completion: (22 commits)
  completion: restore removed line continuating backslash
  completion: cache the path to the repository
  completion: extract repository discovery from __gitdir()
  completion: don't guard git executions with __gitdir()
  completion: consolidate silencing errors from git commands
  completion: don't use __gitdir() for git commands
  completion: respect 'git -C <path>'
  rev-parse: add '--absolute-git-dir' option
  completion: fix completion after 'git -C <path>'
  completion: don't offer commands when 'git --opt' needs an argument
  completion: list short refs from a remote given as a URL
  completion: don't list 'HEAD' when trying refs completion outside of a repo
  completion: list refs from remote when remote's name matches a directory
  completion: respect 'git --git-dir=<path>' when listing remote refs
  completion: fix most spots not respecting 'git --git-dir=<path>'
  completion: ensure that the repository path given on the command line exists
  completion tests: add tests for the __git_refs() helper function
  completion tests: check __gitdir()'s output in the error cases
  completion tests: consolidate getting path of current working directory
  completion tests: make the $cur variable local to the test helper functions
  ...
2017-02-27 13:57:14 -08:00
Junio C Hamano 015fba3834 Merge branch 'lt/pathspec-negative'
The "negative" pathspec feature was somewhat more cumbersome to use
than necessary in that its short-hand used "!" which needed to be
escaped from shells, and it required "exclude from what?" specified.

* lt/pathspec-negative:
  pathspec: don't error out on all-exclusionary pathspec patterns
  pathspec magic: add '^' as alias for '!'
2017-02-27 13:57:13 -08:00
Junio C Hamano 93e8cd8b6e Merge branch 'kn/ref-filter-branch-list'
The code to list branches in "git branch" has been consolidated
with the more generic ref-filter API.

* kn/ref-filter-branch-list: (21 commits)
  ref-filter: resurrect "strip" as a synonym to "lstrip"
  branch: implement '--format' option
  branch: use ref-filter printing APIs
  branch, tag: use porcelain output
  ref-filter: allow porcelain to translate messages in the output
  ref-filter: add an 'rstrip=<N>' option to atoms which deal with refnames
  ref-filter: modify the 'lstrip=<N>' option to work with negative '<N>'
  ref-filter: Do not abruptly die when using the 'lstrip=<N>' option
  ref-filter: rename the 'strip' option to 'lstrip'
  ref-filter: make remote_ref_atom_parser() use refname_atom_parser_internal()
  ref-filter: introduce refname_atom_parser()
  ref-filter: introduce refname_atom_parser_internal()
  ref-filter: make "%(symref)" atom work with the ':short' modifier
  ref-filter: add support for %(upstream:track,nobracket)
  ref-filter: make %(upstream:track) prints "[gone]" for invalid upstreams
  ref-filter: introduce format_ref_array_item()
  ref-filter: move get_head_description() from branch.c
  ref-filter: modify "%(objectname:short)" to take length
  ref-filter: implement %(if:equals=<string>) and %(if:notequals=<string>)
  ref-filter: include reference to 'used_atom' within 'atom_value'
  ...
2017-02-27 13:57:13 -08:00
Junio C Hamano a411726930 Merge branch 'ps/urlmatch-wildcard'
The <url> part in "http.<url>.<variable>" configuration variable
can now be spelled with '*' that serves as wildcard.
E.g. "http.https://*.example.com.proxy" can be used to specify the
proxy used for https://a.example.com, https://b.example.com, etc.,
i.e. any host in the example.com domain.

* ps/urlmatch-wildcard:
  urlmatch: allow globbing for the URL host part
  urlmatch: include host in urlmatch ranking
  urlmatch: split host and port fields in `struct url_info`
  urlmatch: enable normalization of URLs with globs
  mailmap: add Patrick Steinhardt's work address
2017-02-27 13:57:12 -08:00
Junio C Hamano 1b324988ac Merge branch 'jk/describe-omit-some-refs'
"git describe" and "git name-rev" have been taught to take more
than one refname patterns to restrict the set of refs to base their
naming output on, and also learned to take negative patterns to
name refs not to be used for naming via their "--exclude" option.

* jk/describe-omit-some-refs:
  describe: teach describe negative pattern matches
  describe: teach --match to accept multiple patterns
  name-rev: add support to exclude refs by pattern match
  name-rev: extend --refs to accept multiple patterns
  doc: add documentation for OPT_STRING_LIST
2017-02-27 13:57:11 -08:00
Junio C Hamano e7e07d5a4f Git 2.12
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-24 10:49:58 -08:00
Junio C Hamano cca4f20eda Merge branch 'ps/doc-gc-aggressive-depth-update'
Doc update.

* ps/doc-gc-aggressive-depth-update:
  docs/git-gc: fix default value for `--aggressiveDepth`
2017-02-24 10:48:10 -08:00
Junio C Hamano dc9ded4802 Merge branch 'bc/worktree-doc-fix-detached'
Doc update.

* bc/worktree-doc-fix-detached:
  Documentation: correctly spell git worktree --detach
2017-02-24 10:48:10 -08:00
Junio C Hamano c6788b1f45 Merge branch 'dr/doc-check-ref-format-normalize'
Doc update.

* dr/doc-check-ref-format-normalize:
  git-check-ref-format: clarify documentation for --normalize
2017-02-24 10:48:09 -08:00
Junio C Hamano eccf97c386 Merge branch 'gp/document-dotfiles-in-templates-are-not-copied'
Doc update.

* gp/document-dotfiles-in-templates-are-not-copied:
  init: document dotfiles exclusion on template copy
2017-02-24 10:48:09 -08:00
Junio C Hamano af4027f2de Merge branch 'bc/blame-doc-fix'
Doc update.

* bc/blame-doc-fix:
  Documentation: use brackets for optional arguments
2017-02-24 10:48:08 -08:00
Patrick Steinhardt 7e82388024 docs/git-gc: fix default value for --aggressiveDepth
In commit 07e7dbf0d (gc: default aggressive depth to 50, 2016-08-11),
the default aggressive depth of git-gc has been changed to 50. While
git-config(1) has been updated to represent the new default value,
git-gc(1) still mentions the old value. This patch fixes it.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Reviewed-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-24 09:59:12 -08:00
brian m. carlson 2b35a9f4c7 Documentation: use brackets for optional arguments
The documentation for git blame used vertical bars for optional
arguments to -M and -C, which is unusual and potentially confusing.
Since most man pages use brackets for optional items, and that's
consistent with how we document the same options for git diff and
friends, use brackets here, too.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-22 10:22:15 -08:00
brian m. carlson 9993a7c5f1 Documentation: correctly spell git worktree --detach
The option is “--detach”, but we accidentally spelled it “--detached” at
one point in the man page.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Reported-by: Casey Rodarmor <casey@rodarmor.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-22 10:08:38 -08:00
Damien Regad 115a40add6 git-check-ref-format: clarify documentation for --normalize
Use of 'iff' may be confusing to people not familiar with this term.

Improving the --normalize option's documentation to remove the use of
'iff', and clearly describe what happens when the condition is not met.

Signed-off-by: Damien Regad <dregad@mantisbt.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-21 13:02:42 -08:00
Thomas Gummerer f5727e26e4 stash: introduce push verb
Introduce a new git stash push verb in addition to git stash save.  The
push verb is used to transition from the current command line arguments
to a more conventional way, in which the message is given as an argument
to the -m option.

This allows us to have pathspecs at the end of the command line
arguments like other Git commands do, so that the user can say which
subset of paths to stash (and leave others behind).

Helped-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-19 23:47:41 -08:00
Grégoire Paris 133f0a299d init: document dotfiles exclusion on template copy
Not just . and .., but any path that begins with dot is not copied
when copying the template directory to a new repository.  You can
customize the template directory, copying some dotfiles might make
sense, but it's actually a good thing not to, because you would not
want to have your git directory copied in every git directory that
is created should you decide to put your template directory under
version control, for example.  Plus, it might be used as a feature
by people who would want to exclude some files.

Signed-off-by: Grégoire Paris <postmaster@greg0ire.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-17 15:57:21 -08:00
Junio C Hamano 076c05393a Hopefully the final batch of mini-topics before the final
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-16 14:46:35 -08:00
Junio C Hamano 62fef5c564 Merge branch 'dp/submodule-doc-markup-fix'
Doc fix.

* dp/submodule-doc-markup-fix:
  config.txt: fix formatting of submodule.alternateErrorStrategy section
2017-02-16 14:45:15 -08:00
Junio C Hamano 1f73ff0802 Merge branch 'jk/reset-to-break-a-commit-doc-updated'
Doc update.

* jk/reset-to-break-a-commit-doc-updated:
  reset: add an example of how to split a commit into two
2017-02-16 14:45:14 -08:00
Junio C Hamano bf5f119189 Merge branch 'jk/reset-to-break-a-commit-doc'
Doc update.

* jk/reset-to-break-a-commit-doc:
  Revert "reset: add an example of how to split a commit into two"
2017-02-16 14:45:14 -08:00
David Pursehouse 8ab9740d9f config.txt: fix formatting of submodule.alternateErrorStrategy section
Add missing `::` after the title.

Signed-off-by: David Pursehouse <dpursehouse@collab.net>
Acked-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-16 13:46:20 -08:00
Jacob Keller f94baa4d93 reset: add an example of how to split a commit into two
It is often useful to break a commit into multiple parts that are more
logical separations. This can be tricky to learn how to do without the
brute-force method if re-writing code or commit messages from scratch.

Add a section to the git-reset documentation which shows an example
process for how to use git add -p and git commit -c HEAD@{1} to
interactively break a commit apart and re-use the original commit
message as a starting point when making the new commit message.

Signed-off-by: Jacob Keller <jacob.keller@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-16 13:38:02 -08:00
Junio C Hamano ae86372fcd Revert "reset: add an example of how to split a commit into two"
This reverts commit 7326451bedaa67d29afe02184b166e28d9393c91; a
better rewrite will be queued separately.
2017-02-16 13:35:50 -08:00
Junio C Hamano d09b692797 A bit more for -rc2 2017-02-15 14:58:25 -08:00
Junio C Hamano 57f7345b50 Merge branch 'tg/stash-doc-cleanup'
The documentation explained what "git stash" does to the working
tree (after stashing away the local changes) in terms of "reset
--hard", which was exposing an unnecessary implementation detail.

* tg/stash-doc-cleanup:
  Documentation/stash: remove mention of git reset --hard
2017-02-15 14:56:41 -08:00
Junio C Hamano 3e23116d1f Merge branch 'jk/doc-submodule-markup-fix'
Doc markup fix.

* jk/doc-submodule-markup-fix:
  docs/git-submodule: fix unbalanced quote
2017-02-15 14:56:40 -08:00
Junio C Hamano 8c00b7e583 Merge branch 'jk/doc-remote-helpers-markup-fix'
Doc markup fix.

* jk/doc-remote-helpers-markup-fix:
  docs/gitremote-helpers: fix unbalanced quotes
2017-02-15 14:56:40 -08:00
Junio C Hamano 153a33f98c Merge branch 'sb/doc-unify-bottom'
Doc clean-up.

* sb/doc-unify-bottom:
  Documentation: unify bottom "part of git suite" lines
2017-02-15 12:54:20 -08:00
Junio C Hamano ca3c2b85d1 Merge branch 'sb/push-options-via-transport'
The push-options given via the "--push-options" option were not
passed through to external remote helpers such as "smart HTTP" that
are invoked via the transport helper.

* sb/push-options-via-transport:
  push options: pass push options to the transport helper
2017-02-15 12:54:19 -08:00
Junio C Hamano 2f4e87d777 Merge branch 'sb/submodule-doc'
Doc updates.

* sb/submodule-doc:
  submodule update documentation: don't repeat ourselves
  submodule documentation: add options to the subcommand
2017-02-15 12:54:18 -08:00
David Turner a831c06a2b gc: ignore old gc.log files
A server can end up in a state where there are lots of unreferenced
loose objects (say, because many users are doing a bunch of rebasing
and pushing their rebased branches).  Running "git gc --auto" in
this state would cause a gc.log file to be created, preventing
future auto gcs, causing pack files to pile up.  Since many git
operations are O(n) in the number of pack files, this would lead to
poor performance.

Git should never get itself into a state where it refuses to do any
maintenance, just because at some point some piece of the maintenance
didn't make progress.

Teach Git to ignore gc.log files which are older than (by default)
one day old, which can be tweaked via the gc.logExpiry configuration
variable.  That way, these pack files will get cleaned up, if
necessary, at least once per day.  And operators who find a need for
more-frequent gcs can adjust gc.logExpiry to meet their needs.

There is also some cleanup: a successful manual gc, or a
warning-free auto gc with an old log file, will remove any old
gc.log files.

It might still happen that manual intervention is required
(e.g. because the repo is corrupt), but at the very least it won't
be because Git is too dumb to try again.

Signed-off-by: David Turner <dturner@twosigma.com>
Helped-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-13 15:19:11 -08:00
Thomas Gummerer 20a7e06172 Documentation/stash: remove mention of git reset --hard
Don't mention git reset --hard in the documentation for git stash save.
It's an implementation detail that doesn't matter to the end user and
thus shouldn't be exposed to them.  In addition it's not quite true for
git stash -p, and will not be true when a filename argument to limit the
stash to a few files is introduced.

Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-13 14:20:38 -08:00
Jeff King e91461b332 docs/git-submodule: fix unbalanced quote
The documentation gives an example of the submodule foreach
command that uses both backticks and single-quotes. We stick
the whole thing inside "+" markers to make it monospace, but
the inside punctuation still needs escaping. We handle the
backticks with "{backtick}", and use backslash-escaping for
the single-quotes.

But we missed the escaping on the second quote. Fortunately,
asciidoc renders this unbalanced quote as we want (showing
the quote), but asciidoctor does not. We could fix it by
adding the missing backslash.

However, let's take a step back. Even when rendered
correctly, it's hard to read a long command stuck into the
middle of a paragraph, and the important punctuation is hard
to notice. Let's instead bump it into its own single-line
code block. That makes both the source and the rendered
result more readable, and as a bonus we don't have to worry
about quoting at all.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-13 14:05:40 -08:00
Jeff King 2aaf37b62c docs/gitremote-helpers: fix unbalanced quotes
Each of these options is missing the closing single-quote on
the option name. This understandably confuses asciidoc,
which ends up rendering a stray quote, like:

  option cloning {'true|false}

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-13 12:55:36 -08:00
Linus Torvalds 859b7f1d0e pathspec: don't error out on all-exclusionary pathspec patterns
Instead of erroring out and telling the user that they should add a
positive pattern that covers everything else, just _do_ that.

For commands where we honor the current cwd by default (ie grep, ls-files
etc), we make that default positive pathspec be the current working
directory.  And for commands that default to the whole project (ie diff,
log, etc), the default positive pathspec is the whole project.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-10 13:19:40 -08:00
Linus Torvalds 42ebeb9d07 pathspec magic: add '^' as alias for '!'
The choice of '!' for a negative pathspec ends up not only not matching
what we do for revisions, it's also a horrible character for shell
expansion since it needs quoting.

So add '^' as an alternative alias for an excluding pathspec entry.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-10 13:19:10 -08:00
Junio C Hamano 5588dbffbd Git 2.12-rc1
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-10 12:54:23 -08:00
Junio C Hamano 653078bbdd Merge branch 'nd/rev-list-all-includes-HEAD-doc'
Doc update.

* nd/rev-list-all-includes-HEAD-doc:
  rev-list-options.txt: update --all about HEAD
2017-02-10 12:52:27 -08:00
Junio C Hamano 0ffe1c9c5f Merge branch 'dl/difftool-doc-no-gui-option'
Doc update.

* dl/difftool-doc-no-gui-option:
  Document the --no-gui option in difftool
2017-02-10 12:52:26 -08:00
Junio C Hamano 5c40e9ce81 Merge branch 'jk/reset-to-break-a-commit-doc'
A minor doc update.

* jk/reset-to-break-a-commit-doc:
  reset: add an example of how to split a commit into two
2017-02-10 12:52:24 -08:00
Junio C Hamano 8e7c1f3240 Merge branch 'bw/push-submodule-only'
Add missing documentation update to a recent topic.

* bw/push-submodule-only:
  completion: add completion for --recurse-submodules=only
  doc: add doc for git-push --recurse-submodules=only
2017-02-10 12:52:23 -08:00
Stefan Beller 941b9c5270 Documentation: unify bottom "part of git suite" lines
We currently have 168 man pages that mention they are part of Git, you
can check yourself easily via:
  $ git grep "Part of the linkgit:git\[1\] suite" |wc -l
  168
However some have a trailing period, i.e.
  $ git grep "Part of the linkgit:git\[1\] suite." |wc -l
  8

Unify the bottom line in all man pages to not end with a period.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-09 15:14:01 -08:00
Stefan Beller 438fc68462 push options: pass push options to the transport helper
When using non-builtin protocols relying on a transport helper
(such as http), push options are not propagated to the helper.

The user could ask for push options and a push would seemingly succeed,
but the push options would never be transported to the server,
misleading the users expectation.

Fix this by propagating the push options to the transport helper.

This is only addressing the first issue of
   (1) the helper protocol does not propagate push-option
   (2) the http helper is not prepared to handle push-option

Once we fix (2), the http transport helper can make use of push options
as well, but that happens as a follow up. (1) is a bug fix, whereas (2)
is a feature, which is why we only do (1) here.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-08 15:45:01 -08:00
Nguyễn Thái Ngọc Duy 209df269a6 rev-list-options.txt: update --all about HEAD
This is the document patch for f0298cf1c6 (revision walker: include a
detached HEAD in --all - 2009-01-16).

Even though that commit is about detached HEAD, as Jeff pointed out,
always adding HEAD in that case may have subtle differences with
--source or --exclude. So the document mentions nothing about the
detached-ness.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-08 13:37:32 -08:00
Denton Liu 56c2da57fe Document the --no-gui option in difftool
Prior to this, the `--no-gui` option was not documented in the manpage.
This commit introduces this into the manpage

Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-08 13:30:28 -08:00
Junio C Hamano 44a6b6ce17 ref-filter: resurrect "strip" as a synonym to "lstrip"
We forgot that "strip" was introduced at 0571979bd6 ("tag: do not
show ambiguous tag names as "tags/foo"", 2016-01-25) as part of Git
2.8 (and 2.7.1) when we started calling this "lstrip" to make it
easier to explain the new "rstrip" operation.

We shouldn't have renamed the existing one; "lstrip" should have
been a new synonym that means the same thing as "strip".  Scripts
in the wild are surely using the original form already.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-07 11:50:34 -08:00
Jacob Keller 7326451bed reset: add an example of how to split a commit into two
It is often useful to break a commit into multiple parts that are more
logical separations. This can be tricky to learn how to do without the
brute-force method if re-writing code or commit messages from scratch.

Add a section to the git-reset documentation which shows an example
process for how to use git add -p and git commit -c HEAD@{1} to
interactively break a commit apart and re-use the original commit
message as a starting point when making the new commit message.

Signed-off-by: Jacob Keller <jacob.keller@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-03 22:31:47 -08:00
SZEDER Gábor a2f5a87626 rev-parse: add '--absolute-git-dir' option
The output of 'git rev-parse --git-dir' can be either a relative or an
absolute path, depending on whether the current working directory is
at the top of the worktree or the .git directory or not, or how the
path to the repository is specified via the '--git-dir=<path>' option
or the $GIT_DIR environment variable.  And if that output is a
relative path, then it is relative to the directory where any 'git
-C <path>' options might have led us.

This doesn't matter at all for regular scripts, because the git
wrapper automatically takes care of changing directories according to
the '-C <path>' options, and the scripts can then simply follow any
path returned by 'git rev-parse --git-dir', even if it's a relative
path.

Our Bash completion script, however, is unique in that it must run
directly in the user's interactive shell environment.  This means that
it's not executed through the git wrapper and would have to take care
of any '-C <path> options on its own, and it can't just change
directories as it pleases.  Consequently, adding support for taking
any '-C <path>' options on the command line into account during
completion turned out to be considerably more difficult, error prone
and required more subshells and git processes when it had to cope with
a relative path to the .git directory.

Help this rather special use case and teach 'git rev-parse' a new
'--absolute-git-dir' option which always outputs a canonicalized
absolute path to the .git directory, regardless of whether the path is
discovered automatically or is specified via $GIT_DIR or 'git
--git-dir=<path>'.

Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-03 22:18:41 -08:00
Junio C Hamano 6e3a7b3398 Git 2.12-rc0
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-03 11:29:52 -08:00
Junio C Hamano fafca0f72a Merge branch 'cw/log-updates-for-all-refs-really'
The "core.logAllRefUpdates" that used to be boolean has been
enhanced to take 'always' as well, to record ref updates to refs
other than the ones that are expected to be updated (i.e. branches,
remote-tracking branches and notes).

* cw/log-updates-for-all-refs-really:
  doc: add note about ignoring '--no-create-reflog'
  update-ref: add test cases for bare repository
  refs: add option core.logAllRefUpdates = always
  config: add markup to core.logAllRefUpdates doc
2017-02-03 11:25:19 -08:00
Junio C Hamano 8a8f121049 Sync with v2.11.1
* maint:
  Git 2.11.1
2017-02-02 13:43:19 -08:00
Junio C Hamano 289ec4d9ba Ninth batch for 2.12; almost ready for -rc0
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-02 13:43:10 -08:00
Junio C Hamano 85279e8649 Merge branch 'nd/log-graph-configurable-colors'
Some people feel the default set of colors used by "git log --graph"
rather limiting.  A mechanism to customize the set of colors has
been introduced.

* nd/log-graph-configurable-colors:
  document behavior of empty color name
  color_parse_mem: allow empty color spec
  log --graph: customize the graph lines with config log.graphColors
  color.c: trim leading spaces in color_parse_mem()
  color.c: fix color_parse_mem() with value_len == 0
2017-02-02 13:36:58 -08:00
Junio C Hamano a77fe4a976 Merge branch 'bc/use-asciidoctor-opt'
Asciidoctor, an alternative reimplementation of AsciiDoc, still
needs some changes to work with documents meant to be formatted
with AsciiDoc.  "make USE_ASCIIDOCTOR=YesPlease" to use it out of
the box to document our pages is getting closer to reality.

* bc/use-asciidoctor-opt:
  Documentation: implement linkgit macro for Asciidoctor
  Makefile: add a knob to enable the use of Asciidoctor
  Documentation: move dblatex arguments into variable
  Documentation: add XSLT to fix DocBook for Texinfo
  Documentation: sort sources for gitman.texi
  Documentation: remove unneeded argument in cat-texi.perl
  Documentation: modernize cat-texi.perl
  Documentation: fix warning in cat-texi.perl
2017-02-02 13:36:57 -08:00
Junio C Hamano d3a0172a82 Merge branch 'cw/doc-sign-off'
Doc update.

* cw/doc-sign-off:
  doc: clarify distinction between sign-off and pgp-signing
2017-02-02 13:36:55 -08:00
Junio C Hamano 9dec2c652f Merge branch 'js/retire-relink'
Cruft removal.

* js/retire-relink:
  relink: really remove the command
  relink: retire the command
2017-02-02 13:36:54 -08:00
Junio C Hamano 3b9e3c2ced Git 2.11.1
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-02 13:21:27 -08:00
Jeff King 512aba261a document behavior of empty color name
Commit 55cccf4bb (color_parse_mem: allow empty color spec,
2017-02-01) clearly defined the behavior of an empty color
config variable. Let's document that, and give a hint about
why it might be useful.

It's important not to say that it makes the item uncolored,
because it doesn't. It just sets no attributes, which means
that any previous attributes continue to take effect.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-02 12:23:16 -08:00
Cornelius Weig 67c70bd930 doc: add note about ignoring '--no-create-reflog'
The commands git-branch and git-tag accept the '--create-reflog'
option, and create reflog even when core.logallrefupdates
configuration is explicitly set not to.

On the other hand, the negated form '--no-create-reflog' is accepted
as a valid option but has no effect (other than overriding an
earlier '--create-reflog' on the command line). This silent noop may
puzzle users.  To communicate that this is a known limitation, add a
short note in the manuals for git-branch and git-tag.

Signed-off-by: Cornelius Weig <cornelius.weig@tngtech.com>
Helped-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-01 15:53:40 -08:00
Cornelius Weig 9c24c8741e doc: add doc for git-push --recurse-submodules=only
Add documentation for the `--recurse-submodules=only` option of
git-push. The feature was added in commit 225e8bf (add option to
push only submodules).

Signed-off-by: Cornelius Weig <cornelius.weig@tngtech.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-01 15:16:49 -08:00
Junio C Hamano 1295c21524 attr: retire git_check_attrs() API
Since nobody uses the old API, make it file-scope static, and update
the documentation to describe the new API.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-01 13:46:52 -08:00
Stefan Beller faa4e8ceb5 Documentation: fix a typo
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-01 13:46:52 -08:00
Nguyễn Thái Ngọc Duy 860a74d9d9 attr: support quoting pathname patterns in C style
Full pattern must be quoted. So 'pat"t"ern attr' will give exactly
'pat"t"ern', not 'pattern'. Also clarify that leading whitespaces are
not part of the pattern and document comment syntax.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-01 13:46:52 -08:00
Patrick Steinhardt a272b9e70a urlmatch: allow globbing for the URL host part
The URL matching function computes for two URLs whether they match not.
The match is performed by splitting up the URL into different parts and
then doing an exact comparison with the to-be-matched URL.

The main user of `urlmatch` is the configuration subsystem. It allows to
set certain configurations based on the URL which is being connected to
via keys like `http.<url>.*`. A common use case for this is to set
proxies for only some remotes which match the given URL. Unfortunately,
having exact matches for all parts of the URL can become quite tedious
in some setups. Imagine for example a corporate network where there are
dozens or even hundreds of subdomains, which would have to be configured
individually.

Allow users to write an asterisk '*' in place of any 'host' or
'subdomain' label as part of the host name.  For example,
"http.https://*.example.com.proxy" sets "http.proxy" for all direct
subdomains of "https://example.com", e.g. "https://foo.example.com", but
not "https://foo.bar.example.com".

Signed-off-by: Patrick Steinhardt <patrick.steinhardt@elego.de>
Helped-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-01 13:22:50 -08:00
Segev Finer dd33e07766 connect: Add the envvar GIT_SSH_VARIANT and ssh.variant config
This environment variable and configuration value allow to
override the autodetection of plink/tortoiseplink in case that
Git gets it wrong.

[jes: wrapped overly-long lines, factored out and changed
get_ssh_variant() to handle_ssh_variant() to accomodate the
change from the putty/tortoiseplink variables to
port_option/needs_batch, adjusted the documentation, free()d
value obtained from the config.]

Signed-off-by: Segev Finer <segev208@gmail.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-01 10:57:53 -08:00
Junio C Hamano 8f60064c1f Sync with maint
* maint:
  Ready for 2.11.1
2017-01-31 13:34:59 -08:00
Junio C Hamano b32fe956d0 Ready for 2.11.1
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-01-31 13:34:48 -08:00
Junio C Hamano 1ac2ec6dd8 Merge branch 'sb/in-core-index-doc' into maint
Documentation and in-code comments updates.

* sb/in-core-index-doc:
  documentation: retire unfinished documentation
  cache.h: document add_[file_]to_index
  cache.h: document remove_index_entry_at
  cache.h: document index_name_pos
2017-01-31 13:32:11 -08:00
Junio C Hamano 63f1bb8109 Merge branch 'jk/coding-guidelines-update' into maint
Developer doc update.

* jk/coding-guidelines-update:
  CodingGuidelines: clarify multi-line brace style
2017-01-31 13:32:11 -08:00
Junio C Hamano 2ae2362473 Merge branch 'ad/bisect-terms' into maint
Documentation fix.

* ad/bisect-terms:
  Documentation/bisect: improve on (bad|new) and (good|bad)
2017-01-31 13:32:10 -08:00
Junio C Hamano 46ab222616 Merge branch 'jc/abbrev-autoscale-config' into maint
Recent update to the default abbreviation length that auto-scales
lacked documentation update, which has been corrected.

* jc/abbrev-autoscale-config:
  config.abbrev: document the new default that auto-scales
2017-01-31 13:32:06 -08:00
Junio C Hamano 844f7e61c9 Merge branch 'ew/svn-fixes' into maint
Meant eventually for 'maint'.

* ew/svn-fixes:
  git-svn: document useLogAuthor and addAuthorFrom config keys
  git-svn: allow "0" in SVN path components
2017-01-31 13:32:05 -08:00
Junio C Hamano 3c4ce8e69b Eighth batch for 2.12
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-01-31 13:20:46 -08:00
Junio C Hamano feaad0eec7 Merge branch 'sb/in-core-index-doc'
Documentation and in-code comments updates.

* sb/in-core-index-doc:
  documentation: retire unfinished documentation
  cache.h: document add_[file_]to_index
  cache.h: document remove_index_entry_at
  cache.h: document index_name_pos
2017-01-31 13:14:59 -08:00
Junio C Hamano c54ba283fa Merge branch 'jk/clear-delta-base-cache-fix'
A crashing bug introduced in v2.11 timeframe has been found (it is
triggerable only in fast-import) and fixed.

* jk/clear-delta-base-cache-fix:
  clear_delta_base_cache(): don't modify hashmap while iterating
2017-01-31 13:14:59 -08:00
Junio C Hamano 237bdd9ddb Merge branch 'st/verify-tag'
"git tag" and "git verify-tag" learned to put GPG verification
status in their "--format=<placeholders>" output format.

* st/verify-tag:
  t/t7004-tag: Add --format specifier tests
  t/t7030-verify-tag: Add --format specifier tests
  builtin/tag: add --format argument for tag -v
  builtin/verify-tag: add --format to verify-tag
  ref-filter: add function to print single ref_array_item
  gpg-interface, tag: add GPG_VERIFY_OMIT_STATUS flag
2017-01-31 13:14:58 -08:00
Junio C Hamano a92aae5b18 Merge branch 'jk/coding-guidelines-update'
Developer doc update.

* jk/coding-guidelines-update:
  CodingGuidelines: clarify multi-line brace style
2017-01-31 13:14:57 -08:00
Karthik Nayak 3d9e4ce3eb branch: implement '--format' option
Implement the '--format' option provided by 'ref-filter'. This lets the
user list branches as per desired format similar to the implementation
in 'git for-each-ref'.

Add tests and documentation for the same.

Mentored-by: Christian Couder <christian.couder@gmail.com>
Mentored-by: Matthieu Moy <matthieu.moy@grenoble-inp.fr>
Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-01-31 12:43:04 -08:00
Karthik Nayak 1a34728e6b ref-filter: add an 'rstrip=<N>' option to atoms which deal with refnames
Complimenting the existing 'lstrip=<N>' option, add an 'rstrip=<N>'
option which strips `<N>` slash-separated path components from the end
of the refname (e.g., `%(refname:rstrip=2)` turns `refs/tags/foo` into
`refs`).

Signed-off-by: Karthik Nayak <Karthik.188@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-01-31 12:42:33 -08:00
Karthik Nayak 1a0ca5e358 ref-filter: modify the 'lstrip=<N>' option to work with negative '<N>'
Currently the 'lstrip=<N>' option only takes a positive value '<N>'
and strips '<N>' slash-separated path components from the left. Modify
the 'lstrip' option to also take a negative number '<N>' which would
strip from the left as necessary and _leave_ behind only 'N'
slash-separated path components from the right-most end.

For e.g. %(refname:lstrip=-1) would make 'foo/goo/abc' into 'abc'.

Add documentation and tests for the same.

Signed-off-by: Karthik Nayak <Karthik.188@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-01-31 12:38:59 -08:00
brian m. carlson 55d2d812e4 Documentation: implement linkgit macro for Asciidoctor
AsciiDoc uses a configuration file to implement macros like linkgit,
while Asciidoctor uses Ruby extensions.  Implement a Ruby extension that
implements the linkgit macro for Asciidoctor in the same way that
asciidoc.conf does for AsciiDoc.  Adjust the Makefile to use it by
default.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-01-31 12:18:18 -08:00
Cornelius Weig 341fb28621 refs: add option core.logAllRefUpdates = always
When core.logallrefupdates is true, we only create a new reflog for refs
that are under certain well-known hierarchies. The reason is that we
know that some hierarchies (like refs/tags) are not meant to change, and
that unknown hierarchies might not want reflogs at all (e.g., a
hypothetical refs/foo might be meant to change often and drop old
history immediately).

However, sometimes it is useful to override this decision and simply log
for all refs, because the safety and audit trail is more important than
the performance implications of keeping the log around.

This patch introduces a new "always" mode for the core.logallrefupdates
option which will log updates to everything under refs/, regardless
where in the hierarchy it is (we still will not log things like
ORIG_HEAD and FETCH_HEAD, which are known to be transient).

Based-on-patch-by: Jeff King <peff@peff.net>
Signed-off-by: Cornelius Weig <cornelius.weig@tngtech.com>
Reviewed-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-01-31 10:01:24 -08:00
Cornelius Weig d0c93194ec config: add markup to core.logAllRefUpdates doc
Signed-off-by: Cornelius Weig <cornelius.weig@tngtech.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-01-30 13:45:50 -08:00
Cornelius Weig eafd5d9483 doc: clarify distinction between sign-off and pgp-signing
The documentation for submission discourages pgp-signing, but demands
a proper sign-off by contributors. However, when skimming the headings,
the wording of the section for sign-off could mistakenly be understood
as concerning pgp-signing. Thus, new contributors could oversee the
necessary sign-off.

This commit improves the wording such that the section about sign-off
cannot be misunderstood as pgp-signing. In addition, the paragraph about
pgp-signing is changed such that it avoids the impression that
pgp-signing could be relevant at later stages of the submission.

Signed-off-by: Cornelius Weig <cornelius.weig@tngtech.com>
Helped-by: Philip Oakley <philipoakley@iee.org>
Helped-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-01-27 13:41:30 -08:00
Johannes Schindelin ed21e30fef relink: retire the command
Back in the olden days, when all objects were loose and rubber boots were
made out of wood, it made sense to try to share (immutable) objects
between repositories.

Ever since the arrival of pack files, it is but an anachronism.

Let's move the script to the contrib/examples/ directory and no longer
offer it.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-01-25 14:42:37 -08:00
Jacob Keller 77d21f29ea describe: teach describe negative pattern matches
Teach git-describe the `--exclude` option which will allow specifying
a glob pattern of tags to ignore. This can be combined with the
`--match` patterns to enable more flexibility in determining which tags
to consider.

For example, suppose you wish to find the first official release tag
that contains a certain commit. If we assume that official release tags
are of the form "v*" and pre-release candidates include "*rc*" in their
name, we can now find the first release tag that introduces the commit
abcdef:

  git describe --contains --match="v*" --exclude="*rc*" abcdef

Add documentation, tests, and completion for this change.

Signed-off-by: Jacob Keller <jacob.keller@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-01-23 18:33:17 -08:00
Jacob Keller 43f8080eaf describe: teach --match to accept multiple patterns
Teach `--match` to be accepted multiple times, accumulating a list of
patterns to match into a string list. Each pattern is inclusive, such
that a tag need only match one of the provided patterns to be
considered for matching.

This extension is useful as it enables more flexibility in what tags
match, and may avoid the need to run the describe command multiple
times to get the same result.

Add tests and update the documentation for this change.

Signed-off-by: Jacob Keller <jacob.keller@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-01-23 18:33:17 -08:00
Jacob Keller 96415b49dc name-rev: add support to exclude refs by pattern match
Extend git-name-rev to support excluding refs which match shell patterns
using --exclude. These patterns can be used to limit the scope of refs
by excluding any ref that matches one of the --exclude patterns. A ref
will only be used for naming when it matches at least one --refs pattern
but does not match any of the --exclude patterns. Thus, --exclude
patterns are given precedence over --refs patterns.

For example, suppose you wish to name a series of commits based on an
official release tag of the form "v*" but excluding any pre-release tags
which match "*rc*". You can use the following to do so:

  git name-rev --refs="v*" --exclude="*rc*" --all

Add tests and update Documentation for this change.

Signed-off-by: Jacob Keller <jacob.keller@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-01-23 18:33:17 -08:00
Jacob Keller 290be6674a name-rev: extend --refs to accept multiple patterns
Teach git name-rev to take multiple --refs stored as a string list of
patterns. The list of patterns will be matched inclusively, and each ref
only needs to match one pattern to be included. A ref will only be
excluded if it does not match any of the given patterns. Additionally,
if any of the patterns would allow abbreviation, then we will abbreviate
the ref, even if another pattern is more strict and would not have
allowed abbreviation on its own.

Add tests and documentation for this change. The tests expected output
is dynamically generated.  This is in order to avoid hard-coding
a commit object name in the test results (as the expected output is to
simply leave the commit object unnamed).

Signed-off-by: Jacob Keller <jacob.keller@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-01-23 18:33:17 -08:00
Nguyễn Thái Ngọc Duy 73c727d69f log --graph: customize the graph lines with config log.graphColors
If you have a 256 colors terminal (or one with true color support), then
the predefined 12 colors seem limited. On the other hand, you don't want
to draw graph lines with every single color in this mode because the two
colors could look extremely similar. This option allows you to hand pick
the colors you want.

Even with standard terminal, if your background color is neither black
or white, then the graph line may match your background and become
hidden. You can exclude your background color (or simply the colors you
hate) with this.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-01-23 18:32:11 -08:00
Junio C Hamano 4e59582ff7 Seventh batch for 2.12
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-01-23 16:00:40 -08:00
Junio C Hamano 831bd5e775 Merge branch 'rh/diff-orderfile-doc'
Documentation fix.

* rh/diff-orderfile-doc:
  diff: document the format of the -O (diff.orderFile) file
  diff: document behavior of relative diff.orderFile
2017-01-23 15:59:23 -08:00
Junio C Hamano e945770395 Merge branch 'ad/bisect-terms'
Documentation fix.

* ad/bisect-terms:
  Documentation/bisect: improve on (bad|new) and (good|bad)
2017-01-23 15:59:22 -08:00
Junio C Hamano 1ac244d5b2 Merge branch 'sg/fix-versioncmp-with-common-suffix'
The prereleaseSuffix feature of version comparison that is used in
"git tag -l" did not correctly when two or more prereleases for the
same release were present (e.g. when 2.0, 2.0-beta1, and 2.0-beta2
are there and the code needs to compare 2.0-beta1 and 2.0-beta2).

* sg/fix-versioncmp-with-common-suffix:
  versioncmp: generalize version sort suffix reordering
  versioncmp: factor out helper for suffix matching
  versioncmp: use earliest-longest contained suffix to determine sorting order
  versioncmp: cope with common part overlapping with prerelease suffix
  versioncmp: pass full tagnames to swap_prereleases()
  t7004-tag: add version sort tests to show prerelease reordering issues
  t7004-tag: use test_config helper
  t7004-tag: delete unnecessary tags with test_when_finished
2017-01-23 15:59:21 -08:00
Junio C Hamano 8ec68d1ae2 Merge branch 'vn/diff-ihc-config'
"git diff" learned diff.interHunkContext configuration variable
that gives the default value for its --inter-hunk-context option.

* vn/diff-ihc-config:
  diff: add interhunk context config option
2017-01-23 15:59:21 -08:00
brian m. carlson ec3366eb52 Makefile: add a knob to enable the use of Asciidoctor
While Git has traditionally built its documentation using AsciiDoc, some
people wish to use Asciidoctor for speed or other reasons.  Add a
Makefile knob, USE_ASCIIDOCTOR, that sets various options in order to
produce acceptable output.  For HTML output, XHTML5 was chosen, since
the AsciiDoc options also produce XHTML, albeit XHTML 1.1.

Asciidoctor does not have built-in support for the linkgit macro, but it
is available using the Asciidoctor Extensions Lab.  Add a macro to
enable the use of this extension if it is available.  Without it, the
linkgit macros are emitted into the output.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-01-23 10:56:57 -08:00
brian m. carlson ae4e3e8d44 Documentation: move dblatex arguments into variable
Our dblatex invocation uses several style components from the AsciiDoc
distribution, but those components are not available when building with
Asciidoctor.  Move the command line arguments into a variable so it can
be overridden by the user or makefile configuration options.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-01-23 10:56:54 -08:00
brian m. carlson 95e5efc6dc Documentation: add XSLT to fix DocBook for Texinfo
There are two ways to create a section in a reference document (i.e.,
manpage) in DocBook 4: refsection elements and refsect, refsect2, and
refsect3 elements.  Either form is acceptable as of DocBook 4.2, but
they cannot be mixed.  Prior to DocBook 4.2, only the numbered forms
were acceptable.

docbook2texi only accepts the numbered forms, and this has not generally
been a problem, since AsciiDoc produces the numbered forms.
Asciidoctor, on the other hand, uses a shared backend for DocBook 4 and
5, and uses the unnumbered refsection elements instead.

If we don't convert the unnumbered form to the numbered form,
docbook2texi omits section headings, which is undesirable.  Add an XSLT
stylesheet to transform the unnumbered forms to the numbered forms
automatically, and preprocess the DocBook XML as part of the
transformation to Texinfo format.

Note that this transformation is only necessary for Texinfo, since
docbook2texi provides its own stylesheets.  The DocBook stylesheets,
which we use for other formats, provide the full range of DocBook 4 and
5 compatibility, and don't have this issue.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-01-23 10:56:53 -08:00
brian m. carlson c4abba4355 Documentation: sort sources for gitman.texi
Sorting the sources makes it easier to compare the output using diff.
In addition, it aids groups creating reproducible builds, as the order
of the files is no longer dependent on the file system or other
irrelevant factors.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-01-23 10:56:52 -08:00
brian m. carlson a7e1b15c54 Documentation: remove unneeded argument in cat-texi.perl
The newly-added use of the warnings pragma exposes that the $menu[0]
argument to printf has long been silently ignored, since there is no
format specifier for it.  It doesn't appear that the argument is
actually needed, either: there is no reason to insert the name of one
particular documentation page anywhere in the header that's being
generated.

Remove the unused argument, and since the format specification
functionality is no longer needed, convert the printf to a simple print.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-01-23 10:56:47 -08:00
brian m. carlson b56867c986 Documentation: modernize cat-texi.perl
Good style for Perl includes using the strict and warnings pragmas, and
preferring lexical file handles over bareword file handles.  Using
lexical file handles necessitates being explicit when $_ is printed, so
that Perl does not get confused and instead print the glob ref.

The benefit of this modernization is that a formerly obscured bug is now
visible, which will be fixed in a followup patch.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-01-23 10:56:23 -08:00
brian m. carlson f7bf8feaf5 Documentation: fix warning in cat-texi.perl
Newer versions of Perl produce the warning "Unescaped left brace in
regex is deprecated, passed through in regex" when an unescaped left
brace occurs in a regex.  Escape the brace to avoid this warning.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-01-23 10:56:21 -08:00
Jacob Keller 4a68748893 doc: add documentation for OPT_STRING_LIST
Commit c8ba163916 ("parse-options: add OPT_STRING_LIST helper",
2011-06-09) added the OPT_STRING_LIST as a way to accumulate a repeated
list of strings. However, this was not documented in the
api-parse-options documentation. Add documentation now so that future
developers may learn of its existence.

Signed-off-by: Jacob Keller <jacob.keller@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-01-19 13:10:09 -08:00
Stefan Beller 830c912a0e documentation: retire unfinished documentation
When looking for documentation for a specific function, you may be tempted
to run

  git -C Documentation grep index_name_pos

only to find the file technical/api-in-core-index.txt, which doesn't
help for understanding the given function. It would be better to not find
these functions in the documentation, such that people directly dive into
the code instead.

In the previous patches we have documented
* index_name_pos()
* remove_index_entry_at()
* add_[file_]to_index()
in cache.h

We already have documentation for:
* add_index_entry()
* read_index()

Which leaves us with a TODO for:
* cache -> the_index macros
* refresh_index()
* discard_index()
* ie_match_stat() and ie_modified(); how they are different and when to
  use which.
* write_index() that was renamed to write_locked_index
* cache_tree_invalidate_path()
* cache_tree_update()

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-01-19 12:18:43 -08:00
Jeff King abd5a00268 clear_delta_base_cache(): don't modify hashmap while iterating
On Thu, Jan 19, 2017 at 03:03:46PM +0100, Ulrich Spörlein wrote:

> > I suspect the patch below may fix things for you. It works around it by
> > walking over the lru list (either is fine, as they both contain all
> > entries, and since we're clearing everything, we don't care about the
> > order).
>
> Confirmed. With the patch applied, I can import the whole 55G in one go
> without any crashes or aborts. Thanks much!

Thanks. Here it is rolled up with a commit message.

-- >8 --
Subject: clear_delta_base_cache(): don't modify hashmap while iterating

Removing entries while iterating causes fast-import to
access an already-freed `struct packed_git`, leading to
various confusing errors.

What happens is that clear_delta_base_cache() drops the
whole contents of the cache by iterating over the hashmap,
calling release_delta_base_cache() on each entry. That
function removes the item from the hashmap. The hashmap code
may then shrink the table, but the hashmap_iter struct
retains an offset from the old table.

As a result, the next call to hashmap_iter_next() may claim
that the iteration is done, even though some items haven't
been visited.

The only caller of clear_delta_base_cache() is fast-import,
which wants to clear the cache because it is discarding the
packed_git struct for its temporary pack. So by failing to
remove all of the entries, we still have references to the
freed packed_git.

To make things even more confusing, this doesn't seem to
trigger with the test suite, because it depends on
complexities like the size of the hash table, which entries
got cleared, whether we try to access them before they're
evicted from the cache, etc.

So I've been able to identify the problem with large
imports like freebsd's svn import, or a fast-export of
linux.git. But nothing that would be reasonable to run as
part of the normal test suite.

We can fix this easily by iterating over the lru linked list
instead of the hashmap. They both contain the same entries,
and we can use the "safe" variant of the list iterator,
which exists for exactly this case.

Let's also add a warning to the hashmap API documentation to
reduce the chances of getting bit by this again.

Reported-by: Ulrich Spörlein <uqs@freebsd.org>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-01-19 11:17:20 -08:00
Junio C Hamano 787f75f056 Sixth batch for 2.12 2017-01-18 15:15:36 -08:00
Junio C Hamano 6903f33c40 Merge branch 'sb/remove-gitview'
Retire long unused/unmaintained gitview from the contrib/ area.

* sb/remove-gitview:
  doc: git-gui browser does not default to HEAD
  doc: gitk: add the upstream repo location
  doc: gitk: remove gitview reference
  contrib: remove gitview
2017-01-18 15:12:18 -08:00
Junio C Hamano 0abfede3ae Merge branch 'js/asciidoctor-tweaks'
Adjust documentation to help AsciiDoctor render better while not
breaking the rendering done by AsciiDoc.

* js/asciidoctor-tweaks:
  asciidoctor: fix user-manual to be built by `asciidoctor`
  giteveryday: unbreak rendering with AsciiDoctor
2017-01-18 15:12:17 -08:00
Junio C Hamano 7cef7fadab Merge branch 'rh/mergetool-regression-fix'
"git mergetool" without any pathspec on the command line that is
run from a subdirectory became no-op in Git v2.11 by mistake, which
has been fixed.

* rh/mergetool-regression-fix:
  mergetool: fix running in subdir when rerere enabled
  mergetool: take the "-O" out of $orderfile
  t7610: add test case for rerere+mergetool+subdir bug
  t7610: spell 'git reset --hard' consistently
  t7610: don't assume the checked-out commit
  t7610: always work on a test-specific branch
  t7610: delete some now-unnecessary 'git reset --hard' lines
  t7610: run 'git reset --hard' after each test to clean up
  t7610: don't rely on state from previous test
  t7610: use test_when_finished for cleanup tasks
  t7610: move setup code to the 'setup' test case
  t7610: update branch names to match test number
  rev-parse doc: pass "--" to rev-parse in the --prefix example
  .mailmap: record canonical email for Richard Hansen
2017-01-18 15:12:16 -08:00