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Jeff King 1751e581a3 commit: refactor base-case of adjust_comment_line_char() 
When core.commentChar is set to "auto", we check a set of candidate
characters against the proposed buffer to see which if any can be used
without ambiguity. But before we do that, we optimize for the common
case that the default "#" is fine by just seeing if it is present in the
buffer at all.

The way we do this is a bit subtle, though: we assign the candidate
character to comment_line_char preemptively, then check if it works, and
return if it does. The subtle part is that sometimes setting
comment_line_char is important (after we return, the important outcome
is the fact that we have set the variable) and sometimes it is useless
(if our optimization fails, we go on to do the more careful checks and
eventually assign something else instead).

To make it more clear what is happening (and to make further refactoring
of comment_line_char easier), let's check our candidate character
directly, and then assign as part of returning if it worked out.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2024-03-12 13:28:09 -07:00
..
add.c Merge branch 'en/header-cleanup' 2024-01-08 14:05:15 -08:00
am.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:31 -08:00
annotate.c
apply.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:31 -08:00
archive.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:33 -08:00
bisect.c Merge branch 'en/header-cleanup' into maint-2.43 2024-02-08 16:22:10 -08:00
blame.c Merge branch 'en/header-cleanup' into maint-2.43 2024-02-08 16:22:10 -08:00
branch.c branch: make the advice to force-deleting a conditional one 2024-01-11 17:15:54 -08:00
bugreport.c bugreport: reject positional arguments 2023-10-29 08:56:17 +09:00
bundle.c Merge branch 'rs/bundle-parseopt-cleanup' 2023-08-07 11:57:18 -07:00
cat-file.c Merge branch 'js/check-null-from-read-object-file' 2024-02-14 15:36:06 -08:00
check-attr.c check-attr: integrate with sparse-index 2023-08-11 09:44:52 -07:00
check-ignore.c
check-mailmap.c
check-ref-format.c
checkout--worker.c
checkout-index.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:31 -08:00
checkout.c add-patch: classify '@' as a synonym for 'HEAD' 2024-02-13 14:12:51 -08:00
clean.c clean: factorize incompatibility message 2023-12-09 07:41:03 +09:00
clone.c Merge branch 'en/header-cleanup' into maint-2.43 2024-02-08 16:22:10 -08:00
column.c column: disallow negative padding 2024-02-13 10:18:50 -08:00
commit-graph.c Merge branch 'ja/doc-placeholders-fix' 2024-02-08 13:20:34 -08:00
commit-tree.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:31 -08:00
commit.c commit: refactor base-case of adjust_comment_line_char() 2024-03-12 13:28:09 -07:00
config.c config: add back code comment 2024-01-29 10:27:53 -08:00
count-objects.c count-objects: mark unused parameter in alternates callback 2023-07-13 17:24:00 -07:00
credential-cache--daemon.c
credential-cache.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:31 -08:00
credential-store.c
credential.c
describe.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:31 -08:00
diagnose.c
diff-files.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:31 -08:00
diff-index.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:31 -08:00
diff-tree.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:31 -08:00
diff.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:31 -08:00
difftool.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:31 -08:00
fast-export.c use xstrncmpz() 2024-02-12 09:32:41 -08:00
fast-import.c fast-import: use mem_pool_calloc() 2023-12-26 11:06:23 -08:00
fetch-pack.c
fetch.c fetch: convert strncmp() with strlen() to starts_with() 2024-02-26 08:58:45 -08:00
fmt-merge-msg.c
for-each-ref.c for-each-ref: add new option to include root refs 2024-02-23 10:36:28 -08:00
for-each-repo.c
fsck.c refs: drop unused params from the reflog iterator callback 2024-02-21 09:58:06 -08:00
fsmonitor--daemon.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:33 -08:00
gc.c maintenance: use XDG config if it exists 2024-01-18 12:17:42 -08:00
get-tar-commit-id.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:31 -08:00
grep.c Merge branch 'js/check-null-from-read-object-file' 2024-02-14 15:36:06 -08:00
hash-object.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:31 -08:00
help.c
hook.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:31 -08:00
index-pack.c Merge branch 'jk/index-pack-lsan-false-positive-fix' into maint-2.43 2024-02-08 16:22:12 -08:00
init-db.c Merge branch 'ps/refstorage-extension' 2024-01-16 10:11:57 -08:00
interpret-trailers.c Merge branch 'la/trailer-test-and-doc-updates' 2023-10-13 14:18:27 -07:00
log.c Merge branch 'en/header-cleanup' into maint-2.43 2024-02-08 16:22:10 -08:00
ls-files.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:31 -08:00
ls-remote.c Merge branch 'en/header-cleanup' 2024-01-08 14:05:15 -08:00
ls-tree.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:31 -08:00
mailinfo.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:31 -08:00
mailsplit.c
merge-base.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:31 -08:00
merge-file.c merge-file: add --diff-algorithm option 2023-11-22 14:23:06 +09:00
merge-index.c
merge-ours.c
merge-recursive.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:31 -08:00
merge-tree.c Merge branch 'en/header-cleanup' into maint-2.43 2024-02-08 16:22:10 -08:00
merge.c Merge branch 'rs/use-xstrncmpz' 2024-02-26 18:10:24 -08:00
mktag.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:33 -08:00
mktree.c
multi-pack-index.c
mv.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:31 -08:00
name-rev.c name-rev: use mem_pool_strfmt() 2024-02-26 09:35:40 -08:00
notes.c Merge branch 'js/check-null-from-read-object-file' 2024-02-14 15:36:06 -08:00
pack-objects.c Merge branch 'en/header-cleanup' into maint-2.43 2024-02-08 16:22:10 -08:00
pack-redundant.c
pack-refs.c
patch-id.c
prune-packed.c
prune.c
pull.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:31 -08:00
push.c Merge branch 'en/header-cleanup' into maint-2.43 2024-02-08 16:22:10 -08:00
range-diff.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:31 -08:00
read-tree.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:31 -08:00
rebase.c Merge branch 'hs/rebase-not-in-progress' into HEAD 2024-03-01 14:38:56 -08:00
receive-pack.c receive-pack: use find_commit_header() in check_nonce() 2024-02-12 09:22:20 -08:00
reflog.c Merge branch 'ps/reflog-list' into HEAD 2024-03-01 14:38:55 -08:00
remote-ext.c
remote-fd.c
remote.c Merge branch 'jc/parse-options-short-help' 2023-08-04 10:52:31 -07:00
repack.c Merge branch 'en/header-cleanup' into maint-2.43 2024-02-08 16:22:10 -08:00
replace.c replace: mark unused parameter in each_mergetag_fn callback 2023-07-13 17:24:00 -07:00
replay.c replay: stop assuming replayed branches do not diverge 2023-11-26 10:10:50 +09:00
rerere.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:31 -08:00
reset.c add-patch: classify '@' as a synonym for 'HEAD' 2024-02-13 14:12:51 -08:00
rev-list.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:33 -08:00
rev-parse.c builtin/rev-parse: introduce --show-ref-format flag 2024-01-02 09:24:48 -08:00
revert.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:31 -08:00
rm.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:31 -08:00
send-pack.c Merge branch 'en/header-cleanup' into maint-2.43 2024-02-08 16:22:10 -08:00
shortlog.c
show-branch.c Merge branch 'jc/parse-options-show-branch' 2023-07-27 15:26:37 -07:00
show-index.c
show-ref.c Merge branch 'en/header-cleanup' into maint-2.43 2024-02-08 16:22:10 -08:00
sparse-checkout.c Merge branch 'en/header-cleanup' into maint-2.43 2024-02-08 16:22:10 -08:00
stash.c Merge branch 'ps/report-failure-from-git-stash' 2024-02-12 13:16:11 -08:00
stripspace.c
submodule--helper.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:31 -08:00
symbolic-ref.c
tag.c Merge branch 'rj/tag-column-fix' 2024-02-27 16:04:32 -08:00
unpack-file.c
unpack-objects.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:31 -08:00
update-index.c Merge branch 'jc/unresolve-removal' 2023-10-02 11:20:00 -07:00
update-ref.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:31 -08:00
update-server-info.c
upload-archive.c
upload-pack.c
var.c config: rename global config function 2024-01-18 12:17:41 -08:00
verify-commit.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:31 -08:00
verify-pack.c
verify-tag.c treewide: remove unnecessary includes in source files 2023-12-26 12:04:31 -08:00
worktree.c Merge branch 'jc/orphan-unborn' into maint-2.43 2024-02-08 16:22:10 -08:00
write-tree.c