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rebase: better rearranging of fixup!/squash! lines with --autosquash

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The current behvaior of --autosquash can duplicate fixup!/squash! lines
if they match multiple commits, and it can also apply them to commits
that come after them in the todo list. Even more oddly, a commit that
looks like "fixup! fixup!" will match itself and be duplicated in the
todo list.

Change the todo list rearranging to mark all commits as used as soon
as they are emitted, and to avoid emitting a fixup/squash commit if the
commit has already been marked as used.

Signed-off-by: Kevin Ballard <kevin@sb.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Kevin Ballard 2010-11-04 15:36:31 -07:00 committed by Junio C Hamano
parent af77aee9ca
commit d3d7a421b1
2 changed files with 47 additions and 0 deletions
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4
git-rebase--interactive.sh
View file

@ -687,8 +687,12 @@ rearrange_squash () {
*" $sha1 "*) continue ;;
esac
printf '%s\n' "$pick $sha1 $message"
used="$used$sha1 "
while read -r squash action msg
do
case " $used" in
*" $squash "*) continue ;;
esac
case "$message" in
"$msg"*)
printf '%s\n' "$action $squash $action! $msg"

43
t/t3415-rebase-autosquash.sh
View file

@ -94,4 +94,47 @@ test_expect_success 'misspelled auto squash' '
test 0 = $(git rev-list final-missquash...HEAD | wc -l)
'
test_expect_success 'auto squash that matches 2 commits' '
git reset --hard base &&
echo 4 >file4 &&
git add file4 &&
test_tick &&
git commit -m "first new commit" &&
echo 1 >file1 &&
git add -u &&
test_tick &&
git commit -m "squash! first" &&
git tag final-multisquash &&
test_tick &&
git rebase --autosquash -i HEAD~4 &&
git log --oneline >actual &&
test 4 = $(wc -l <actual) &&
git diff --exit-code final-multisquash &&
test 1 = "$(git cat-file blob HEAD^^:file1)" &&
test 2 = $(git cat-file commit HEAD^^ | grep first | wc -l) &&
test 1 = $(git cat-file commit HEAD | grep first | wc -l)
'
test_expect_success 'auto squash that matches a commit after the squash' '
git reset --hard base &&
echo 1 >file1 &&
git add -u &&
test_tick &&
git commit -m "squash! third" &&
echo 4 >file4 &&
git add file4 &&
test_tick &&
git commit -m "third commit" &&
git tag final-presquash &&
test_tick &&
git rebase --autosquash -i HEAD~4 &&
git log --oneline >actual &&
test 5 = $(wc -l <actual) &&
git diff --exit-code final-presquash &&
test 0 = "$(git cat-file blob HEAD^^:file1)" &&
test 1 = "$(git cat-file blob HEAD^:file1)" &&
test 1 = $(git cat-file commit HEAD | grep third | wc -l) &&
test 1 = $(git cat-file commit HEAD^ | grep third | wc -l)
'
test_done