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Most callsites which use the commit buffer try to use the
cached version attached to the commit, rather than
re-reading from disk. Unfortunately, that interface provides
only a pointer to the NUL-terminated buffer, with no
indication of the original length.
For the most part, this doesn't matter. People do not put
NULs in their commit messages, and the log code is happy to
treat it all as a NUL-terminated string. However, some code
paths do care. For example, when checking signatures, we
want to be very careful that we verify all the bytes to
avoid malicious trickery.
This patch just adds an optional "size" out-pointer to
get_commit_buffer and friends. The existing callers all pass
NULL (there did not seem to be any obvious sites where we
could avoid an immediate strlen() call, though perhaps with
some further refactoring we could).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Each of these sites assumes that commit->buffer is valid.
Since they would segfault if this was not the case, they are
likely to be correct in practice. However, we can
future-proof them by using get_commit_buffer.
And as a side effect, we abstract away the final bare uses
of commit->buffer.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Leaving only the function definitions and declarations so that any
new topic in flight can still make use of the old functions, replace
existing uses of the prefixcmp() and suffixcmp() with new API
functions.
The change can be recreated by mechanically applying this:
$ git grep -l -e prefixcmp -e suffixcmp -- \*.c |
grep -v strbuf\\.c |
xargs perl -pi -e '
s|!prefixcmp\(|starts_with\(|g;
s|prefixcmp\(|!starts_with\(|g;
s|!suffixcmp\(|ends_with\(|g;
s|suffixcmp\(|!ends_with\(|g;
'
on the result of preparatory changes in this series.
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The new core.commentchar configuration was not applied to a few
places.
* rt/commentchar-fmt-merge-msg:
fmt-merge-msg: use core.commentchar in tag signatures completely
fmt-merge-msg: respect core.commentchar in people credits
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Commit eff80a9 (Allow custom "comment char") introduced a custom
comment character for commit messages but didn't use it completely
in the tag signature part.
This commit fixes that.
Signed-off-by: Ralf Thielow <ralf.thielow@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Commit eff80a9 (Allow custom "comment char") introduced a custom
comment character for commit messages but forgot to use it in
people credits which can be a part of a commit message.
With this commit, the custom comment character is also used
in people credits.
Signed-off-by: Ralf Thielow <ralf.thielow@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Call "gpg" using the right API when validating the signature on
tags.
* mg/gpg-interface-using-status:
pretty: make %GK output the signing key for signed commits
pretty: parse the gpg status lines rather than the output
gpg_interface: allow to request status return
log-tree: rely upon the check in the gpg_interface
gpg-interface: check good signature in a reliable way
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Currently, verify_signed_buffer() returns the user facing output only.
Allow callers to request the status output also.
Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Allow a configuration variable core.commentchar to customize the
character used to comment out the hint lines in the edited text from
the default '#'.
* jc/custom-comment-char:
Allow custom "comment char"
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Some users do want to write a line that begin with a pound sign, #,
in their commit log message. Many tracking system recognise
a token of #<bugid> form, for example.
The support we offer these use cases is not very friendly to the end
users. They have a choice between
- Don't do it. Avoid such a line by rewrapping or indenting; and
- Use --cleanup=whitespace but remove all the hint lines we add.
Give them a way to set a custom comment char, e.g.
$ git -c core.commentchar="%" commit
so that they do not have to do either of the two workarounds.
[jc: although I started the topic, all the tests and documentation
updates, many of the call sites of the new strbuf_add_commented_*()
functions, and the change to git-submodule.sh scripted Porcelain are
from Ralf.]
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Ralf Thielow <ralf.thielow@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git merge --no-edit" computed who were involved in the work done
on the side branch, even though that information is to be discarded
without getting seen in the editor.
* jc/maint-fmt-merge-msg-no-edit-lose-credit:
merge --no-edit: do not credit people involved in the side branch
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Stop spending cycles to compute information to be placed on
commented lines in "merge --no-edit", which will be discarded
anyway.
* jc/maint-fmt-merge-msg-no-edit-lose-credit:
merge --no-edit: do not credit people involved in the side branch
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The credit lines "By" and "Via" to credit authors and committers for
their contributions on the side branch are meant as a hint to the
integrator to decide whom to mention in the log message text. After
the integrator saves the message in the editor, they are meant to go
away and that is why they are commented out.
When a merge is recorded without editing the generated message,
however, its contents do not go through the normal stripspace()
and these lines are left in the merge.
Stop producing them when we know the merge is going to be recorded
without editing, i.e. when --no-edit is given.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Tone down the lines that credit people involved and make them
comments, so that integrators who edit their merge messages can
still make use of the information, but lazy ones will not leave
the unverified guesses placed on the "via" line.
* jc/fmt-merge-msg-people:
fmt-merge-msg: make attribution into comment lines
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The submaintainer credit is not something you can compute purely by
looking at the history and its shape, especially in the presense of
fast-forward merges, and this observation makes the information on
the "via" line unreliable. Let's leave the final determination of
credits up to whoever is making the merge and show them as comments.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fixes quite a lot of brokenness when ident information needs to be taken
from the system and cleans up the code.
By Jeff King
* jk/ident-gecos-strbuf: (22 commits)
format-patch: do not use bogus email addresses in message ids
ident: reject bogus email addresses with IDENT_STRICT
ident: rename IDENT_ERROR_ON_NO_NAME to IDENT_STRICT
format-patch: use GIT_COMMITTER_EMAIL in message ids
ident: let callers omit name with fmt_indent
ident: refactor NO_DATE flag in fmt_ident
ident: reword empty ident error message
format-patch: refactor get_patch_filename
ident: trim whitespace from default name/email
ident: use a dynamic strbuf in fmt_ident
ident: use full dns names to generate email addresses
ident: report passwd errors with a more friendly message
drop length limitations on gecos-derived names and emails
ident: don't write fallback username into git_default_name
fmt_ident: drop IDENT_WARN_ON_NO_NAME code
format-patch: use default email for generating message ids
ident: trim trailing newline from /etc/mailname
move git_default_* variables to ident.c
move identity config parsing to ident.c
fmt-merge-msg: don't use static buffer in record_person
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When adding the information from a tag, put an empty line between the
message of the tag and the commented-out signature verification
information.
At least for the kernel workflow, I often end up re-formatting the message
that people send me in the tag data. In that situation, putting the tag
message and the tag signature verification back-to-back then means that
normal editor "reflow parapgraph" command will get confused and think that
the signature is a continuation of the last message paragraph.
So I always end up having to first add an empty line, and then go back and
reflow the last paragraph. Let's just do it in git directly.
The extra vertical space also makes the verification visually stand out
more from the user-supplied message, so it looks a bit more readable to me
too, but that may be just an odd personal preference.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The record_person function just parses out the "name" field
of the person line in a commit and adds it to a string_list.
The only reason we need an extra buffer is that the
string_list functions require a NUL-terminated string.
Instead of the static buffer, we can just allocate a
temporary NUL-terminated copy. In addition to removing a
useless limit, this removes the only user of MAX_GITNAME
outside of ident.c.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Octopus merge strategy did not reduce heads that are recorded in the
final commit correctly.
By Junio C Hamano (4) and Michał Kiedrowicz (1)
* jc/merge-reduce-parents-early:
fmt-merge-msg: discard needless merge parents
builtin/merge.c: reduce parents early
builtin/merge.c: collect other parents early
builtin/merge.c: remove "remoteheads" global variable
merge tests: octopus with redundant parents
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This is used by "git pull" to construct a merge message from list of
remote refs. When pulling redundant set of refs, however, it did not
filter them even though the merge itself discards them as unnecessary.
Teach the command to do the same for consistency.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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As we already walk the history of the branch that gets merged to
come up with a short log, let's label it with names of the primary
authors, so that the user who summarizes the merge can easily give
credit to them in the log message.
Also infer the names of "lieutents" to help integrators at higher
level of the food-chain to give credit to them, by counting:
* The committer of the 'tip' commit that is merged
* The committer of merge commits that are merged
Often the first one gives the owner of the history being pulled, but
his last pull from his sublieutenants may have been a fast-forward,
in which case the first one would not be. The latter rule will
count the integrator of the history, so together it might be a
reasonable heuristics.
There are two special cases:
- The "author" credit is omitted when the series is written solely
by the same author who is making the merge. The name can be seen
on the "Author" line of the "git log" output to view the log
message anyway.
- The "lieutenant" credit is omitted when there is only one key
committer in the merged branch and it is the committer who is
making the merge. Typically this applies to the case where the
developer merges his own branch.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* nd/resolve-ref:
Copy resolve_ref() return value for longer use
Convert many resolve_ref() calls to read_ref*() and ref_exists()
Conflicts:
builtin/fmt-merge-msg.c
builtin/merge.c
refs.c
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* jc/pull-signed-tag:
commit-tree: teach -m/-F options to read logs from elsewhere
commit-tree: update the command line parsing
commit: teach --amend to carry forward extra headers
merge: force edit and no-ff mode when merging a tag object
commit: copy merged signed tags to headers of merge commit
merge: record tag objects without peeling in MERGE_HEAD
merge: make usage of commit->util more extensible
fmt-merge-msg: Add contents of merged tag in the merge message
fmt-merge-msg: package options into a structure
fmt-merge-msg: avoid early returns
refs DWIMmery: use the same rule for both "git fetch" and others
fetch: allow "git fetch $there v1.0" to fetch a tag
merge: notice local merging of tags and keep it unwrapped
fetch: do not store peeled tag object names in FETCH_HEAD
Split GPG interface into its own helper library
Conflicts:
builtin/fmt-merge-msg.c
builtin/merge.c
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* jc/request-pull-show-head-4:
request-pull: use the annotated tag contents
fmt-merge-msg.c: Fix an "dubious one-bit signed bitfield" sparse error
environment.c: Fix an sparse "symbol not declared" warning
builtin/log.c: Fix an "Using plain integer as NULL pointer" warning
fmt-merge-msg: use branch.$name.description
request-pull: use the branch description
request-pull: state what commit to expect
request-pull: modernize style
branch: teach --edit-description option
format-patch: use branch description in cover letter
branch: add read_branch_desc() helper function
Conflicts:
builtin/branch.c
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resolve_ref() may return a pointer to a static buffer. Callers that
use this value longer than a couple of statements should copy the
value to avoid some hidden resolve_ref() call that may change the
static buffer's value.
The bug found by Tony Wang <wwwjfy@gmail.com> in builtin/merge.c
demonstrates this. The first call is in cmd_merge()
branch = resolve_ref("HEAD", head_sha1, 0, &flag);
Then deep in lookup_commit_or_die() a few lines after, resolve_ref()
may be called again and destroy "branch".
lookup_commit_or_die
lookup_commit_reference
lookup_commit_reference_gently
parse_object
lookup_replace_object
do_lookup_replace_object
prepare_replace_object
for_each_replace_ref
do_for_each_ref
get_loose_refs
get_ref_dir
get_ref_dir
resolve_ref
All call sites are checked and made sure that xstrdup() is called if
the value should be saved.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When a contributor asks the integrator to merge her history, a signed tag
can be a good vehicle to communicate the authenticity of the request while
conveying other information such as the purpose of the topic.
E.g. a signed tag "for-linus" can be created, and the integrator can run:
$ git pull git://example.com/work.git/ for-linus
This would allow the integrator to run "git verify-tag FETCH_HEAD" to
validate the signed tag.
Update fmt-merge-msg so that it pre-fills the merge message template with
the body (but not signature) of the tag object to help the integrator write
a better merge message, in the same spirit as the existing merge.log summary
lines.
The message that comes from GPG signature validation is also included in
the merge message template to help the integrator verify it, but they are
prefixed with "#" to make them comments.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This way new features can be added more easily
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In various places in the codepath, the program tries to return early
assuming there is no more work needed. That is generally untrue when
over time new features are added.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This teaches "merge --log" and fmt-merge-msg to use branch description
information when merging a local topic branch into the mainline. The
description goes between the branch name label and the list of commit
titles.
The refactoring to share the common configuration parsing between
merge and fmt-merge-msg needs to be made into a separate patch.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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HEAD and MERGE_HEAD (among other branch tips) should never hold a
tag. That can only be caused by broken tools and is cumbersome to fix
by an end user with:
$ git update-ref HEAD $(git rev-parse HEAD^{commit})
which may look like a magic to a new person.
Be easy, warn users (so broken tools can be fixed if they bother to
report) and move on.
Be robust, if the given SHA-1 cannot be resolved to a commit object,
die (therefore return value is always valid).
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix warnings from 'make check'.
- These files don't include 'builtin.h' causing sparse to complain that
cmd_* isn't declared:
builtin/clone.c:364, builtin/fetch-pack.c:797,
builtin/fmt-merge-msg.c:34, builtin/hash-object.c:78,
builtin/merge-index.c:69, builtin/merge-recursive.c:22
builtin/merge-tree.c:341, builtin/mktag.c:156, builtin/notes.c:426
builtin/notes.c:822, builtin/pack-redundant.c:596,
builtin/pack-refs.c:10, builtin/patch-id.c:60, builtin/patch-id.c:149,
builtin/remote.c:1512, builtin/remote-ext.c:240,
builtin/remote-fd.c:53, builtin/reset.c:236, builtin/send-pack.c:384,
builtin/unpack-file.c:25, builtin/var.c:75
- These files have symbols which should be marked static since they're
only file scope:
submodule.c:12, diff.c:631, replace_object.c:92, submodule.c:13,
submodule.c:14, trace.c:78, transport.c:195, transport-helper.c:79,
unpack-trees.c:19, url.c:3, url.c:18, url.c:104, url.c:117, url.c:123,
url.c:129, url.c:136, thread-utils.c:21, thread-utils.c:48
- These files redeclare symbols to be different types:
builtin/index-pack.c:210, parse-options.c:564, parse-options.c:571,
usage.c:49, usage.c:58, usage.c:63, usage.c:72
- These files use a literal integer 0 when they really should use a NULL
pointer:
daemon.c:663, fast-import.c:2942, imap-send.c:1072, notes-merge.c:362
While we're in the area, clean up some unused #includes in builtin files
(mostly exec_cmd.h).
Signed-off-by: Stephen Boyd <bebarino@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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(Just like we did for documentation already)
In the process, we change "non-remote branch" to "branch outside the
refs/remotes/ hierarchy" to avoid the ugly "non-remote-tracking branch".
The new formulation actually corresponds to how the code detects this
case (i.e. prefixcmp(refname, "refs/remotes")).
Also, we use 'remote-tracking branch' in generated merge messages (by
merge an fmt-merge-msg).
Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* rr/fmt-merge-msg:
t6200-fmt-merge-msg: Exercise '--log' to configure shortlog length
t6200-fmt-merge-msg: Exercise 'merge.log' to configure shortlog length
merge: Make 'merge.log' an integer or boolean option
merge: Make '--log' an integer option for number of shortlog entries
fmt_merge_msg: Change fmt_merge_msg API to accept shortlog_len
Conflicts:
builtin/merge.c
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Make 'merge.log' an integer or boolean option to set the number of
shortlog entries to display in the merge commit. Note that it defaults
to false, and that true means a default value of 20. Also update
corresponding documentation.
Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.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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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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Give "shortlog_len" parameter to the fmt_merge_msg(), remove its
"merge_summary" parameter, and remove fmt_merge_msg_shortlog() function.
In the updated API, shortlog_len == 0 means no shortlog is given.
The parameter "merge_title" controls if the title of the merge commit is
autogenerated (it reads something like "Merge branch ..."), and typically
it is set to true when the caller does not give its own message.
Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com>
Mentored-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jn/update-contrib-example-merge: (24 commits)
merge script: learn --[no-]rerere-autoupdate
merge script: notice @{-1} shorthand
merge script: handle --no-ff --no-commit correctly
merge script: --ff-only to disallow true merge
merge script: handle many-way octopus
merge script: handle -m --log correctly
merge script: forbid merge -s index
merge script: allow custom strategies
merge script: merge -X<option>
merge script: improve log message subject
merge script: refuse to merge during merge
merge script: tweak unmerged files message to match builtin
merge script: --squash, --ff from unborn branch are errors
fmt-merge-msg -m to override merge title
merge-base --independent to print reduced parent list in a merge
merge-base --octopus to mimic show-branch --merge-base
Documentation: add a SEE ALSO section for merge-base
t6200 (fmt-merge-msg): style nitpicks
t6010 (merge-base): modernize style
t7600 (merge): test merge from branch yet to be born
...
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Since v1.7.1.1~23^2 (merge: --log appends shortlog to message if
specified, 2010-05-11), the fmt-merge-msg backend supports custom text
to override the merge title "Merge <foo> into <bar>".
Expose this functionality for scripted callers. Example:
git fmt-merge-msg --log -m \
"$(printf '%s\n' \
"Merge branch 'api-cleanup' into feature" \
'' \
'This is to use a few functions refactored for this purpose.'
)" <.git/FETCH_HEAD
Cc: Tay Ray Chuan <rctay89@gmail.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Acked-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Thiago Farina <tfransosi@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jp/string-list-api-cleanup:
string_list: Fix argument order for string_list_append
string_list: Fix argument order for string_list_lookup
string_list: Fix argument order for string_list_insert_at_index
string_list: Fix argument order for string_list_insert
string_list: Fix argument order for for_each_string_list
string_list: Fix argument order for print_string_list
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Update the definition and callers of string_list_append to use the
string_list as the first argument. This helps make the string_list
API easier to use by being more consistent.
Signed-off-by: Julian Phillips <julian@quantumfyre.co.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When the user specifies a message, use fmt_merge_msg_shortlog() to
append the shortlog.
Previously, when a message was specified, we ignored the merge title
("Merge <foo> into <bar>") and shortlog from fmt_merge_msg().
Update the documentation for -m to reflect this too.
Signed-off-by: Tay Ray Chuan <rctay89@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Tay Ray Chuan <rctay89@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Tay Ray Chuan <rctay89@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Shift implementation into a private function, do_fmt_merge_msg(). This
allows for further changes to the implementation, without affecting the
interface.
Signed-off-by: Tay Ray Chuan <rctay89@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The --summary command line option has been deprecated in favor of --log.
Hide the option from the help message to further discourage the use of
this option.
Signed-off-by: Stephen Boyd <bebarino@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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