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12 commits

Author SHA1 Message Date
Junio C Hamano
0188f32304 Merge branch 'dt/reflog-tests'
Tests that assume how reflogs are represented on the filesystem too
much have been corrected.

* dt/reflog-tests:
  tests: remove some direct access to .git/logs
  t/t7509: remove unnecessary manipulation of reflog
2015-08-12 14:09:56 -07:00
David Turner
d0ab058498 tests: remove some direct access to .git/logs
Alternate refs backends might store reflogs somewhere other than
.git/logs.  Change most test code that directly accesses .git/logs to
instead use git reflog commands.

There are still a few tests which need direct access to reflogs: to
check reflog permissions, to manually create reflogs from scratch, to
save/restore reflogs, to check the format of raw reflog data, and to
remove not just reflog contents, but the reflogs themselves. All cases
which don't need direct access have been modified.

Signed-off-by: David Turner <dturner@twopensource.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-07-28 11:46:46 -07:00
David Turner
afcb2e7a3b git-reflog: add exists command
This is necessary because alternate ref backends might store reflogs
somewhere other than .git/logs.  Code that now directly manipulates
.git/logs should instead go through git-reflog.

Signed-off-by: David Turner <dturner@twopensource.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-07-21 14:08:14 -07:00
Thomas Rast
838f9a1566 log: use true parents for diff when walking reflogs
The reflog walking logic (git log -g) replaces the true parent list
with the preceding commit in the reflog.  This results in bogus commit
diffs when combined with options such as -p; the diff is against the
reflog predecessor, not the parent of the commit.

Save the true parents on the side, extending the functions from the
previous commit.  The diff logic picks them up and uses them to show
the correct diffs.

We do have to be somewhat careful about repeated calling of
save_parents(), since the reflog may list a commit more than once.  We
now store (commit_list*)-1 to distinguish the "not saved yet" and
"root commit" cases.  This lets us preserve an empty parent list even
if save_parents() is repeatedly called.

Suggested-by: Jeff King <peff@peff.net>
Signed-off-by: Thomas Rast <trast@inf.ethz.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-08-05 08:27:00 -07:00
Junio C Hamano
55ccf85a52 reflog-walk: tell explicit --date=default from not having --date at all
Introduction of opt->date_mode_explicit was a step in the right direction,
but lost that crucial bit at the very end of the callchain, and the callee
could not tell an explicitly specified "I want *date* but in default format"
from the built-in default value passed when there was no --date specified.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-07 14:18:06 -07:00
Jeff King
794151e9b5 reflog-walk: always make HEAD@{0} show indexed selectors
When we are showing reflog selectors during a walk, we infer
from context whether the user wanted to see the index in
each selector, or the reflog date. The current rules are:

  1. if the user asked for an explicit date format in the
     output, show the date

  2. if the user asked for ref@{now}, show the date

  3. if neither is true, show the index

However,  if we see "ref@{0}", that should be a strong clue
that the user wants to see the counted version. In fact, it
should be much stronger than the date format in (1). The
user may have been setting the date format to use in another
part of the output (e.g., in --format="%gd (%ad)", they may
have wanted to influence the author date).

This patch flips the rules to:

  1. if the user asked for ref@{0}, always show the index

  2. if the user asked for ref@{now}, always show the date

  3. otherwise, we have just "ref"; show them counted by
     default, but respect the presence of "--date" as a clue
     that the user wanted them date-based

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-04 09:39:14 -07:00
Jeff King
f026c7563a log: respect date_mode_explicit with --format:%gd
When we show a reflog selector (e.g., via "git log -g"), we
perform some DWIM magic: while we normally show the entry's
index (e.g., HEAD@{1}), if the user has given us a date
with "--date", then we show a date-based select (e.g.,
HEAD@{yesterday}).

However, we don't want to trigger this magic if the
alternate date format we got was from the "log.date"
configuration; that is not sufficiently strong context for
us to invoke this particular magic. To fix this, commit
f4ea32f (improve reflog date/number heuristic, 2009-09-24)
introduced a "date_mode_explicit" flag in rev_info. This
flag is set only when we see a "--date" option on the
command line, and we a vanilla date to the reflog code if
the date was not explicit.

Later, commit 8f8f547 (Introduce new pretty formats %g[sdD]
for reflog information, 2009-10-19) added another way to
show selectors, and it did not respect the date_mode_explicit
flag from f4ea32f.

This patch propagates the date_mode_explicit flag to the
pretty-print code, which can then use it to pass the
appropriate date field to the reflog code. This brings the
behavior of "%gd" in line with the other formats, and means
that its output is independent of any user configuration.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-04 09:39:14 -07:00
Jeff King
7904af1c10 t1411: add more selector index/date tests
We already check that @{now} and "--date" cause the
displayed selector to use the date for both the multiline
and oneline formats. However, we miss several cases:

  1. The --format=%gd selector is not tested at all.

  2. We do not check how the log.date config interacts with the
     "--date" magic (according to f4ea32f, it should not
     impact the output).

Doing so reveals that the combination of both (log.date
combined with the %gd format) does not behave as expected.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-04 09:39:14 -07:00
Michael J Gruber
4b56cf58a9 reflog: fix overriding of command line options
Currently, "git reflog" overrides some command line options such as
"--format".

Fix this by using the new 2-phase version of cmd_log_init().

Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-04-01 14:42:31 -07:00
Michael J Gruber
21d2616a71 t/t1411: test reflog with formats
"git reflog --format=short" does not work because "reflog" overrides the
format option. This is documented in code. Document this by a test
(known failure) also.

Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-04-01 14:42:29 -07:00
Dave Olszewski
8fcaca3ff2 don't use default revision if a rev was specified
If a revision is specified, it happens not to have any commits, don't
use the default revision.  By doing so, surprising and undesired
behavior can happen, such as showing the reflog for HEAD when a branch
was specified.

[jc: squashed a test from René]

Signed-off-by: Dave Olszewski <cxreg@pobox.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-03-13 21:23:43 -08:00
Jeff King
cd4371208a make oneline reflog dates more consistent with multiline format
The multiline reflog format (e.g., as shown by "git log -g")
will show HEAD@{<date>} rather than HEAD@{<count>} in two
situations:

  1. If the user gave branch@{<date>} syntax to specify the
     reflog

  2. If the user gave a --date=<format> specifier

It uses the "normal" date format in case 1, and the
user-specified format in case 2.

The oneline reflog format (e.g., "git reflog show" or "git
log -g --oneline") will show the date in the same two
circumstances. However, it _always_ shows the date as a
relative date, and it always ignores the timezone.

In case 2, it seems ridiculous to trigger the date but use a
format totally different from what the user requested.

For case 1, it is arguable that the user might want to see
the relative date by default; however, the multiline version
shows the normal format.

This patch does three things:

  - refactors the "relative_date" parameter to
    show_reflog_message to be an actual date_mode enum,
    since this is how it is used (it is passed to show_date)

  - uses the passed date_mode parameter in the oneline
    format (making it consistent with the multiline format)

  - does not ignore the timezone parameter in oneline mode

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-03-20 00:57:27 -07:00