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"git merge" learns the "--autostash" option.
* dl/merge-autostash: (22 commits)
pull: pass --autostash to merge
t5520: make test_pull_autostash() accept expect_parent_num
merge: teach --autostash option
sequencer: implement apply_autostash_oid()
sequencer: implement save_autostash()
sequencer: unlink autostash in apply_autostash()
sequencer: extract perform_autostash() from rebase
rebase: generify create_autostash()
rebase: extract create_autostash()
reset: extract reset_head() from rebase
rebase: generify reset_head()
rebase: use apply_autostash() from sequencer.c
sequencer: rename stash_sha1 to stash_oid
sequencer: make apply_autostash() accept a path
rebase: use read_oneliner()
sequencer: make read_oneliner() extern
sequencer: configurably warn on non-existent files
sequencer: make read_oneliner() accept flags
sequencer: make file exists check more efficient
sequencer: stop leaking buf
...
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Before, `--autostash` only worked with `git pull --rebase`. However, in
the last patch, merge learned `--autostash` as well so there's no reason
why we should have this restriction anymore. Teach pull to pass
`--autostash` to merge, just like it did for rebase.
Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In rebase, one can pass the `--autostash` option to cause the worktree
to be automatically stashed before continuing with the rebase. This
option is missing in merge, however.
Implement the `--autostash` option and corresponding `merge.autoStash`
option in merge which stashes before merging and then pops after.
This option is useful when a developer has some local changes on a topic
branch but they realize that their work depends on another branch.
Previously, they had to run something like
git fetch ...
git stash push
git merge FETCH_HEAD
git stash pop
but now, that is reduced to
git fetch ...
git merge --autostash FETCH_HEAD
When an autostash is generated, it is automatically reapplied to the
worktree only in three explicit situations:
1. An incomplete merge is commit using `git commit`.
2. A merge completes successfully.
3. A merge is aborted using `git merge --abort`.
In all other situations where the merge state is removed using
remove_merge_branch_state() such as aborting a merge via
`git reset --hard`, the autostash is saved into the stash reflog
instead keeping the worktree clean.
Helped-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Suggested-by: Alban Gruin <alban.gruin@gmail.com>
Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Đoàn Trần Công Danh <congdanhqx@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Reported-by: Jens Schleusener <Jens.Schleusener@fossies.org>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Doc update.
* en/merge-options-ff-and-friends:
merge-options.txt: clarify meaning of various ff-related options
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As discovered on the mailing list, some of the descriptions of the
ff-related options were unclear. Try to be more precise with what these
options do.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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f8b863598c ("builtin/merge: honor commit-msg hook for merges", 2017-09-07)
introduced the no-verify flag to merge for bypassing the commit-msg
hook, though in a different way from the implementation in commit.c.
Change the implementation in merge.c to be the same as in commit.c so
that both do the same in the same way. This also changes the output of
"git merge --help" to be more clear that the hook return code is
respected by default.
[js: * reworded commit message
* squashed documentation changes from original series' patch 3/4
]
Signed-off-by: Michael J Gruber <git@grubix.eu>
Signed-off-by: Josh Steadmon <steadmon@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git merge --squash" is designed to update the working tree and the
index without creating the commit, and this cannot be countermanded
by adding the "--commit" option; the command now refuses to work
when both options are given.
* vv/merge-squash-with-explicit-commit:
merge: refuse --commit with --squash
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"git merge --squash" is designed to update the working tree and the
index without creating the commit, and this cannot be countermanded
by adding the "--commit" option; the command now refuses to work
when both options are given.
* vv/merge-squash-with-explicit-commit:
merge: refuse --commit with --squash
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Convert option_commit to tristate, representing the states of
'default/untouched', 'enabled-by-cli', 'disabled-by-cli'. With this in
place, check whether option_commit was enabled by cli when squashing a
merge. If so, error out, as this is not supported.
Previously, when --squash was supplied, 'option_commit' was silently
dropped. This could have been surprising to a user who tried to override
the no-commit behavior of squash using --commit explicitly.
Add a note to the --squash option for git-merge to clarify the
incompatibility, and add a test case to t7600-merge.sh
Cc: Junio C Hamano <gitster@pobox.com>
Cc: Rafael Ascensão <rafa.almas@gmail.com>
Cc: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Vishal Verma <vishal@stellar.sh>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This fixes a bug where the scissors line is placed after the Conflicts:
section, in the case where a merge conflict occurs and
commit.cleanup = scissors.
Next, if commit.cleanup = scissors is specified, don't produce a
scissors line in commit if one already exists in the MERGE_MSG file.
Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This change allows git-merge messages to be cleaned up with the
commit.cleanup configuration or --cleanup option, just like how
git-commit does it.
We also give git-pull the option of --cleanup so that it can also take
advantage of this change.
Finally, add testing to ensure that messages are properly cleaned up.
Note that some newlines that were added to the commit message were
removed so that if a file were read via -F, it would be copied
faithfully.
Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The former wording implied that --no-commit would always cause the
merge operation to "pause" and allow the user to make further changes
and/or provide a special commit message for the merge commit. This
is not the case for fast-forward merges, as there is no merge commit
to create. Without a merge commit, there is no place where it makes
sense to "stop the merge and allow the user to tweak changes"; doing
that would require a full rebase of some sort.
Since users may be unaware of whether their branches have diverged or
not, modify the wording to correctly address fast-forward cases as well
and suggest using --no-ff with --no-commit if the point is to ensure
that the merge stops before completing.
Reported-by: Ulrich Windl <Ulrich.Windl@rz.uni-regensburg.de>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Long time ago at fab47d05 ("merge: force edit and no-ff mode when
merging a tag object", 2011-11-07), "git merge" was made to always
create a merge commit when merging a tag, even when the side branch
being merged is a descendant of the current branch.
This default is good for merges made by upstream maintainers to
integrate work signed by downstream contributors, but will leave
pointless no-ff merges when downstream contributors pull a newer
release tag to make their long-running topic branches catch up with
the upstream. When there is no local work left on the topic, such a
merge should simply fast-forward to the commit pointed at by the
release tag.
Update the default (again) for "git merge" that merges a tag object
to (1) --no-ff (i.e. create a merge commit even when side branch
fast forwards) if the tag being merged is not at its expected place
in refs/tags/ hierarchy and (2) --ff (i.e. allow fast-forward update
when able) otherwise.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git pull" has been taught to accept "--[no-]signoff" option and
pass it down to "git merge".
* wk/pull-signoff:
pull: pass --signoff/--no-signoff to "git merge"
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Doc updates.
* wk/merge-options-gpg-sign-doc:
Documentation/merge-options.txt: describe -S/--gpg-sign for 'pull'
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merge can take --signoff, but without pull passing --signoff down, it
is inconvenient to use; allow 'pull' to take the option and pass it
through.
The order of options in merge-options.txt is mostly alphabetical by
long option since 7c85d274 (Documentation/merge-options.txt: order
options in alphabetical groups, 2009-10-22). The long-option bit
didn't make it into the commit message, but it's under the fold in
[1]. I've put --signoff between --log and --stat to preserve the
alphabetical order.
[1]: https://public-inbox.org/git/87iqe7zspn.fsf@jondo.cante.net/
Signed-off-by: W. Trevor King <wking@tremily.us>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Pull has supported these since ea230d8 (pull: add the --gpg-sign
option, 2014-02-10). Insert in long-option alphabetical order
following 7c85d274 (Documentation/merge-options.txt: order options
in alphabetical groups, 2009-10-22).
Signed-off-by: W. Trevor King <wking@tremily.us>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Follow the Oxford style, which says to use "up-to-date" before the noun,
but "up to date" after it. Don't change plumbing (specifically
send-pack.c, but transport.c (git push) also has the same string).
This was produced by grepping for "up-to-date" and "up to date". It
turned out we only had to edit in one direction, removing the hyphens.
Fix a typo in Documentation/git-diff-index.txt while we're there.
Reported-by: Jeffrey Manian <jeffrey.manian@gmail.com>
Reported-by: STEVEN WHITE <stevencharleswhitevoices@gmail.com>
Signed-off-by: Martin Ågren <martin.agren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Documentation for "git merge --verify-signatures" has been updated
to clarify that the signature of only the commit at the tip is
verified. Also the phrasing used for signature and key validity is
adjusted to align with that used by OpenPGP.
* kf/gpg-sig-verification-doc:
Documentation: clarify signature verification
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Clarify that "merge --verify-signatures" checks the signature on the
tip commit of the history being merged.
Uniformise the vocabulary used wrt. key/signature validity with OpenPGP:
- a signature is valid if made by a key with a valid uid;
- in the default trust-model, a uid is valid if signed by a trusted key;
- a key is trusted if the (local) user set a trust level for it.
Helped-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Keller Fuchs <KellerFuchs@hashbang.sh>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The previous commit said:
We could add the same option to "git pull" and have it passed
through to underlying "git merge". I do not have a fundamental
opposition against such a feature, but this commit does not do
so and instead leaves it as low-hanging fruit for others,
because such a "two project merge" would be done after fetching
the other project into some location in the working tree of an
existing project and making sure how well they fit together, it
is sufficient to allow a local merge without such an option
pass-through from "git pull" to "git merge".
Prepare a patch to make it a reality, just in case it is needed.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Justin Lebar <jlebar@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jc/maint-pull-docfix:
Documentation: "git pull" does not have the "-m" option
Documentation: exclude irrelevant options from "git pull"
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Even though "--[no-]edit" can be used with "git pull", the
explanation of the interaction between this option and the "-m"
option does not make sense within the context of "git pull". Use
the conditional inclusion mechanism to remove this part from "git
pull" documentation, while keeping it for "git merge".
Reported-by: Ivan Zakharyaschev
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* rh/merge-options-doc-fix:
Documentation/merge-options.txt: restore `-e` option
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It looks like commit f8246281af9adb0fdddbcc90d2e19cb5cd5217e5
unintentionally removed the documentation for the `-e` option.
Signed-off-by: Richard Hansen <rhansen@bbn.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Teach "merge/pull" to optionally verify and reject commits that are
not signed properly.
* sg/gpg-sig:
pretty printing: extend %G? to include 'N' and 'U'
merge/pull Check for untrusted good GPG signatures
merge/pull: verify GPG signatures of commits being merged
commit.c/GPG signature verification: Also look at the first GPG status line
Move commit GPG signature verification to commit.c
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When --verify-signatures is specified, abort the merge in case a good
GPG signature from an untrusted key is encountered.
Signed-off-by: Sebastian Götte <jaseg@physik-pool.tu-berlin.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When --verify-signatures is specified on the command-line of git-merge
or git-pull, check whether the commits being merged have good gpg
signatures and abort the merge in case they do not. This allows e.g.
auto-deployment from untrusted repo hosts.
Signed-off-by: Sebastian Götte <jaseg@physik-pool.tu-berlin.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When asking Git to merge a tag (such as a signed tag or annotated tag),
it will always create a merge commit even if fast-forward was possible.
It's like having --no-ff present on the command line.
It's a difference from the default behavior described in git-merge.txt.
It should be documented as an exception of "FAST-FORWARD MERGE" section
and "--ff" option description.
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Reviewed-by: Yann Droneaud <ydroneaud@opteya.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jc/doc-merge-options:
Documentation/merge-options.txt: group "ff" related options together
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The --ff-only option was not described next to --ff and --no-ff options in
"git merge" documentation, even though these three are logically together,
describing how to choose one of three possibilities.
Also the description for '--ff' and '--no-ff' discussed what '--ff' means,
and mentioned '--no-ff' as if it were a side-note to '--ff'.
Make them into three top-level entries and list them together. This way,
it would be more clear that the user can choose one from these three.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Traditionally, a cleanly resolved merge was committed by "git merge" using
the auto-generated merge commit log message without invoking the editor.
After 5 years of use in the field, it turns out that people perform too
many unjustified merges of the upstream history into their topic branches.
These merges are not just useless, but they are often not explained well,
and making the end result unreadable when it gets time for merging their
history back to their upstream.
Earlier we added the "--edit" option to the command, so that people can
edit the log message to explain and justify their merge commits. Let's
take it one step further and spawn the editor by default when we are in an
interactive session (i.e. the standard input and the standard output are
pointing at the same tty device).
There may be existing scripts that leave the standard input and the
standard output of the "git merge" connected to whatever environment the
scripts were started, and such invocation might trigger the above
"interactive session" heuristics. GIT_MERGE_AUTOEDIT environment variable
can be set to "no" at the beginning of such scripts to use the historical
behaviour while the script runs.
Note that this backward compatibility is meant only for scripts, and we
deliberately do *not* support "merge.edit = yes/no/auto" configuration
option to allow people to keep the historical behaviour.
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The first paragraph inside of a list item does not need a preceding line
consisting of a single '+', and in fact this causes the text to be
misrendered. Fix it.
Signed-off-by: Jack Nagel <jacknagel@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Implemented internally instead of as "git merge --no-commit && git commit"
so that "merge --edit" is otherwise consistent (hooks, etc) with "merge".
Note: the edit message does not include the status information that one
gets with "commit --status" and it is cleaned up after editing like one
gets with "commit --cleanup=default". A later patch could add the status
information if desired.
Note: previously we were not calling stripspace() after running the
prepare-commit-msg hook. Now we are, stripping comments and
leading/trailing whitespace lines if --edit is given, otherwise only
stripping leading/trailing whitespace lines if not given --edit.
Signed-off-by: Jay Soffian <jaysoffian@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The user can enable or disable it explicitly with the new
--progress, but it defaults to checking isatty(2).
This works only with merge-recursive and subtree. In theory
we could pass a progress flag to other strategies, but none
of them support progress at this point, so let's wait until
they grow such a feature before worrying about propagating
it.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Change the command-line '--log' option from a boolean option to an
integer option, and parse the optional integer provided on the
command-line into the 'shortlog_len' variable. Also update the
documentation accordingly.
Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com>
Reported-by: Yaroslav Halchenko <debian@onerussian.com>
Thanks-to: Jonathan Nieder <jrnieder@gmail.com>
Thanks-to: Johannes Sixt <j.sixt@viscovery.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* maint:
Documentation/config.txt: default gc.aggressiveWindow is 250, not 10
Docs: Add -X option to git-merge's synopsis.
Conflicts:
Documentation/merge-options.txt
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Also move -X's description next to -s's in merge-options.txt.
This makes it easier to learn how to specify merge strategy options.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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After 3f7a9b5 (Documentation/git-pull.txt: Add subtitles above included
option files, Thu Oct 22 2009), the -q/-v options were mentioned only
for the merge options section, giving the impression that git-fetch did
not take those arguments.
Follow 90e4311 (git-pull: do not mention --quiet and --verbose twice,
Mon Sep 7 2009) and hide -q/-v for merge options, while mentioning -q/-v
before the merge- and fetch-specific options.
Signed-off-by: Tay Ray Chuan <rctay89@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* ap/merge-backend-opts:
Document that merge strategies can now take their own options
Extend merge-subtree tests to test -Xsubtree=dir.
Make "subtree" part more orthogonal to the rest of merge-recursive.
pull: Fix parsing of -X<option>
Teach git-pull to pass -X<option> to git-merge
git merge -X<option>
git-merge-file --ours, --theirs
Conflicts:
git-compat-util.h
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Also document the recently added -Xtheirs, -Xours and -Xsubtree[=path]
options to the merge-recursive strategy.
Signed-off-by: Avery Pennarun <apenwarr@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The documentation was quite inconsistent when spelling 'git cmd' if it
only refers to the program, not to some specific invocation syntax:
both 'git-cmd' and 'git cmd' spellings exist.
The current trend goes towards dashless forms, and there is precedent
in 647ac70 (git-svn.txt: stop using dash-form of commands.,
2009-07-07) to actively eliminate the dashed variants.
Replace 'git-cmd' with 'git cmd' throughout, except where git-shell,
git-cvsserver, git-upload-pack, git-receive-pack, and
git-upload-archive are concerned, because those really live in the
$PATH.
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* bg/merge-ff-only:
Teach 'git merge' and 'git pull' the option --ff-only
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For convenience in scripts and aliases, add the option
--ff-only to only allow fast-forwards (and up-to-date,
despite the name).
Disallow combining --ff-only and --no-ff, since they
flatly contradict each other.
Allow all other options to be combined with --ff-only
(i.e. do not add any code to handle them specially),
including the following options:
* --strategy (one or more): As long as the chosen merge
strategy results in up-to-date or fast-forward, the
command will succeed.
* --squash: I cannot imagine why anyone would want to
squash commits only if fast-forward is possible, but I
also see no reason why it should not be allowed.
* --message: The message will always be ignored, but I see
no need to explicitly disallow providing a redundant message.
Acknowledgements: I did look at Yuval Kogman's earlier
patch (107768 in gmane), mainly as shortcut to find my
way in the code, but I did not copy anything directly.
Signed-off-by: Björn Gustavsson <bgustavsson@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Jari Aalto <jari.aalto@cante.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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With the --squash option, merge sets up the index just like for a real
merge, but without the merge info (stages). Say so.
Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Improve some minor language and format issues like hyphenation,
phrases, spacing, word order, comma, attributes.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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