git/t/t3508-cherry-pick-many-commits.sh
Eric Sunshine db5875aa9f t0000-t3999: detect and signal failure within loop
Failures within `for` and `while` loops can go unnoticed if not detected
and signaled manually since the loop itself does not abort when a
contained command fails, nor will a failure necessarily be detected when
the loop finishes since the loop returns the exit code of the last
command it ran on the final iteration, which may not be the command
which failed. Therefore, detect and signal failures manually within
loops using the idiom `|| return 1` (or `|| exit 1` within subshells).

Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-13 10:29:48 -08:00

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#!/bin/sh
test_description='test cherry-picking many commits'
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
. ./test-lib.sh
check_head_differs_from() {
test_cmp_rev ! HEAD "$1"
}
check_head_equals() {
test_cmp_rev HEAD "$1"
}
test_expect_success setup '
echo first > file1 &&
git add file1 &&
test_tick &&
git commit -m "first" &&
git tag first &&
git checkout -b other &&
for val in second third fourth
do
echo $val >> file1 &&
git add file1 &&
test_tick &&
git commit -m "$val" &&
git tag $val || return 1
done
'
test_expect_success 'cherry-pick first..fourth works' '
git checkout -f main &&
git reset --hard first &&
test_tick &&
git cherry-pick first..fourth &&
git diff --quiet other &&
git diff --quiet HEAD other &&
check_head_differs_from fourth
'
test_expect_success 'cherry-pick three one two works' '
git checkout -f first &&
test_commit one &&
test_commit two &&
test_commit three &&
git checkout -f main &&
git reset --hard first &&
git cherry-pick three one two &&
git diff --quiet three &&
git diff --quiet HEAD three &&
test "$(git log --reverse --format=%s first..)" = "three
one
two"
'
test_expect_success 'cherry-pick three one two: fails' '
git checkout -f main &&
git reset --hard first &&
test_must_fail git cherry-pick three one two:
'
test_expect_success 'output to keep user entertained during multi-pick' '
cat <<-\EOF >expected &&
[main OBJID] second
Author: A U Thor <author@example.com>
Date: Thu Apr 7 15:14:13 2005 -0700
1 file changed, 1 insertion(+)
[main OBJID] third
Author: A U Thor <author@example.com>
Date: Thu Apr 7 15:15:13 2005 -0700
1 file changed, 1 insertion(+)
[main OBJID] fourth
Author: A U Thor <author@example.com>
Date: Thu Apr 7 15:16:13 2005 -0700
1 file changed, 1 insertion(+)
EOF
git checkout -f main &&
git reset --hard first &&
test_tick &&
git cherry-pick first..fourth >actual &&
sed -e "s/$_x05[0-9a-f][0-9a-f]/OBJID/" <actual >actual.fuzzy &&
test_line_count -ge 3 actual.fuzzy &&
test_cmp expected actual.fuzzy
'
test_expect_success 'cherry-pick --strategy resolve first..fourth works' '
git checkout -f main &&
git reset --hard first &&
test_tick &&
git cherry-pick --strategy resolve first..fourth &&
git diff --quiet other &&
git diff --quiet HEAD other &&
check_head_differs_from fourth
'
test_expect_success 'output during multi-pick indicates merge strategy' '
cat <<-\EOF >expected &&
Trying simple merge.
[main OBJID] second
Author: A U Thor <author@example.com>
Date: Thu Apr 7 15:14:13 2005 -0700
1 file changed, 1 insertion(+)
Trying simple merge.
[main OBJID] third
Author: A U Thor <author@example.com>
Date: Thu Apr 7 15:15:13 2005 -0700
1 file changed, 1 insertion(+)
Trying simple merge.
[main OBJID] fourth
Author: A U Thor <author@example.com>
Date: Thu Apr 7 15:16:13 2005 -0700
1 file changed, 1 insertion(+)
EOF
git checkout -f main &&
git reset --hard first &&
test_tick &&
git cherry-pick --strategy resolve first..fourth >actual &&
sed -e "s/$_x05[0-9a-f][0-9a-f]/OBJID/" <actual >actual.fuzzy &&
test_cmp expected actual.fuzzy
'
test_expect_success 'cherry-pick --ff first..fourth works' '
git checkout -f main &&
git reset --hard first &&
test_tick &&
git cherry-pick --ff first..fourth &&
git diff --quiet other &&
git diff --quiet HEAD other &&
check_head_equals fourth
'
test_expect_success 'cherry-pick -n first..fourth works' '
git checkout -f main &&
git reset --hard first &&
test_tick &&
git cherry-pick -n first..fourth &&
git diff --quiet other &&
git diff --cached --quiet other &&
git diff --quiet HEAD first
'
test_expect_success 'revert first..fourth works' '
git checkout -f main &&
git reset --hard fourth &&
test_tick &&
git revert first..fourth &&
git diff --quiet first &&
git diff --cached --quiet first &&
git diff --quiet HEAD first
'
test_expect_success 'revert ^first fourth works' '
git checkout -f main &&
git reset --hard fourth &&
test_tick &&
git revert ^first fourth &&
git diff --quiet first &&
git diff --cached --quiet first &&
git diff --quiet HEAD first
'
test_expect_success 'revert fourth fourth~1 fourth~2 works' '
git checkout -f main &&
git reset --hard fourth &&
test_tick &&
git revert fourth fourth~1 fourth~2 &&
git diff --quiet first &&
git diff --cached --quiet first &&
git diff --quiet HEAD first
'
test_expect_success 'cherry-pick -3 fourth works' '
git checkout -f main &&
git reset --hard first &&
test_tick &&
git cherry-pick -3 fourth &&
git diff --quiet other &&
git diff --quiet HEAD other &&
check_head_differs_from fourth
'
test_expect_success 'cherry-pick --stdin works' '
git checkout -f main &&
git reset --hard first &&
test_tick &&
git rev-list --reverse first..fourth | git cherry-pick --stdin &&
git diff --quiet other &&
git diff --quiet HEAD other &&
check_head_differs_from fourth
'
test_done