tvl-depot/third_party/git/t/t7505-prepare-commit-msg-hook.sh
Vincent Ambo f4609b896f merge(3p/git): Merge git subtree at v2.29.2
This also bumps the stable nixpkgs to 20.09 as of 2020-11-21, because
there is some breakage in the git build related to the netrc
credentials helper which someone has taken care of in nixpkgs.

The stable channel is not used for anything other than git, so this
should be fine.

Change-Id: I3575a19dab09e1e9556cf8231d717de9890484fb
2020-11-21 19:45:56 +01:00

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#!/bin/sh
test_description='prepare-commit-msg hook'
. ./test-lib.sh
test_expect_success 'set up commits for rebasing' '
test_commit root &&
test_commit a a a &&
test_commit b b b &&
git checkout -b rebase-me root &&
test_commit rebase-a a aa &&
test_commit rebase-b b bb &&
for i in $(test_seq 1 13)
do
test_commit rebase-$i c $i
done &&
git checkout master &&
cat >rebase-todo <<-EOF
pick $(git rev-parse rebase-a)
pick $(git rev-parse rebase-b)
fixup $(git rev-parse rebase-1)
fixup $(git rev-parse rebase-2)
pick $(git rev-parse rebase-3)
fixup $(git rev-parse rebase-4)
squash $(git rev-parse rebase-5)
reword $(git rev-parse rebase-6)
squash $(git rev-parse rebase-7)
fixup $(git rev-parse rebase-8)
fixup $(git rev-parse rebase-9)
edit $(git rev-parse rebase-10)
squash $(git rev-parse rebase-11)
squash $(git rev-parse rebase-12)
edit $(git rev-parse rebase-13)
EOF
'
test_expect_success 'with no hook' '
echo "foo" > file &&
git add file &&
git commit -m "first"
'
# set up fake editor for interactive editing
cat > fake-editor <<'EOF'
#!/bin/sh
exit 0
EOF
chmod +x fake-editor
## Not using test_set_editor here so we can easily ensure the editor variable
## is only set for the editor tests
FAKE_EDITOR="$(pwd)/fake-editor"
export FAKE_EDITOR
# now install hook that always succeeds and adds a message
HOOKDIR="$(git rev-parse --git-dir)/hooks"
HOOK="$HOOKDIR/prepare-commit-msg"
mkdir -p "$HOOKDIR"
echo "#!$SHELL_PATH" > "$HOOK"
cat >> "$HOOK" <<'EOF'
GIT_DIR=$(git rev-parse --git-dir)
if test -d "$GIT_DIR/rebase-merge"
then
rebasing=1
else
rebasing=0
fi
get_last_cmd () {
tail -n1 "$GIT_DIR/rebase-merge/done" | {
read cmd id _
git log --pretty="[$cmd %s]" -n1 $id
}
}
if test "$2" = commit
then
if test $rebasing = 1
then
source="$3"
else
source=$(git rev-parse "$3")
fi
else
source=${2-default}
fi
test "$GIT_EDITOR" = : && source="$source (no editor)"
if test $rebasing = 1
then
echo "$source $(get_last_cmd)" >"$1"
else
sed -e "1s/.*/$source/" "$1" >msg.tmp
mv msg.tmp "$1"
fi
exit 0
EOF
chmod +x "$HOOK"
echo dummy template > "$(git rev-parse --git-dir)/template"
test_expect_success 'with hook (-m)' '
echo "more" >> file &&
git add file &&
git commit -m "more" &&
test "$(git log -1 --pretty=format:%s)" = "message (no editor)"
'
test_expect_success 'with hook (-m editor)' '
echo "more" >> file &&
git add file &&
GIT_EDITOR="\"\$FAKE_EDITOR\"" git commit -e -m "more more" &&
test "$(git log -1 --pretty=format:%s)" = message
'
test_expect_success 'with hook (-t)' '
echo "more" >> file &&
git add file &&
git commit -t "$(git rev-parse --git-dir)/template" &&
test "$(git log -1 --pretty=format:%s)" = template
'
test_expect_success 'with hook (-F)' '
echo "more" >> file &&
git add file &&
(echo more | git commit -F -) &&
test "$(git log -1 --pretty=format:%s)" = "message (no editor)"
'
test_expect_success 'with hook (-F editor)' '
echo "more" >> file &&
git add file &&
(echo more more | GIT_EDITOR="\"\$FAKE_EDITOR\"" git commit -e -F -) &&
test "$(git log -1 --pretty=format:%s)" = message
'
test_expect_success 'with hook (-C)' '
head=$(git rev-parse HEAD) &&
echo "more" >> file &&
git add file &&
git commit -C $head &&
test "$(git log -1 --pretty=format:%s)" = "$head (no editor)"
'
test_expect_success 'with hook (editor)' '
echo "more more" >> file &&
git add file &&
GIT_EDITOR="\"\$FAKE_EDITOR\"" git commit &&
test "$(git log -1 --pretty=format:%s)" = default
'
test_expect_success 'with hook (--amend)' '
head=$(git rev-parse HEAD) &&
echo "more" >> file &&
git add file &&
GIT_EDITOR="\"\$FAKE_EDITOR\"" git commit --amend &&
test "$(git log -1 --pretty=format:%s)" = "$head"
'
test_expect_success 'with hook (-c)' '
head=$(git rev-parse HEAD) &&
echo "more" >> file &&
git add file &&
GIT_EDITOR="\"\$FAKE_EDITOR\"" git commit -c $head &&
test "$(git log -1 --pretty=format:%s)" = "$head"
'
test_expect_success 'with hook (merge)' '
test_when_finished "git checkout -f master" &&
git checkout -B other HEAD@{1} &&
echo "more" >>file &&
git add file &&
git commit -m other &&
git checkout - &&
git merge --no-ff other &&
test "$(git log -1 --pretty=format:%s)" = "merge (no editor)"
'
test_expect_success 'with hook and editor (merge)' '
test_when_finished "git checkout -f master" &&
git checkout -B other HEAD@{1} &&
echo "more" >>file &&
git add file &&
git commit -m other &&
git checkout - &&
env GIT_EDITOR="\"\$FAKE_EDITOR\"" git merge --no-ff -e other &&
test "$(git log -1 --pretty=format:%s)" = "merge"
'
test_rebase () {
expect=$1 &&
mode=$2 &&
test_expect_$expect C_LOCALE_OUTPUT "with hook (rebase ${mode:--i})" '
test_when_finished "\
git rebase --abort
git checkout -f master
git branch -D tmp" &&
git checkout -b tmp rebase-me &&
GIT_SEQUENCE_EDITOR="cp rebase-todo" &&
GIT_EDITOR="\"$FAKE_EDITOR\"" &&
(
export GIT_SEQUENCE_EDITOR GIT_EDITOR &&
test_must_fail git rebase -i $mode b &&
echo x >a &&
git add a &&
test_must_fail git rebase --continue &&
echo x >b &&
git add b &&
git commit &&
git rebase --continue &&
echo y >a &&
git add a &&
git commit &&
git rebase --continue &&
echo y >b &&
git add b &&
git rebase --continue
) &&
git log --pretty=%s -g -n18 HEAD@{1} >actual &&
test_cmp "$TEST_DIRECTORY/t7505/expected-rebase${mode:--i}" actual
'
}
test_rebase success
test_have_prereq !REBASE_P || test_rebase success -p
test_expect_success 'with hook (cherry-pick)' '
test_when_finished "git checkout -f master" &&
git checkout -B other b &&
git cherry-pick rebase-1 &&
test "$(git log -1 --pretty=format:%s)" = "message (no editor)"
'
test_expect_success 'with hook and editor (cherry-pick)' '
test_when_finished "git checkout -f master" &&
git checkout -B other b &&
git cherry-pick -e rebase-1 &&
test "$(git log -1 --pretty=format:%s)" = merge
'
cat > "$HOOK" <<'EOF'
#!/bin/sh
exit 1
EOF
test_expect_success 'with failing hook' '
test_when_finished "git checkout -f master" &&
head=$(git rev-parse HEAD) &&
echo "more" >> file &&
git add file &&
test_must_fail env GIT_EDITOR="\"\$FAKE_EDITOR\"" git commit -c $head
'
test_expect_success 'with failing hook (--no-verify)' '
test_when_finished "git checkout -f master" &&
head=$(git rev-parse HEAD) &&
echo "more" >> file &&
git add file &&
test_must_fail env GIT_EDITOR="\"\$FAKE_EDITOR\"" git commit --no-verify -c $head
'
test_expect_success 'with failing hook (merge)' '
test_when_finished "git checkout -f master" &&
git checkout -B other HEAD@{1} &&
echo "more" >> file &&
git add file &&
rm -f "$HOOK" &&
git commit -m other &&
write_script "$HOOK" <<-EOF &&
exit 1
EOF
git checkout - &&
test_must_fail git merge --no-ff other
'
test_expect_success C_LOCALE_OUTPUT 'with failing hook (cherry-pick)' '
test_when_finished "git checkout -f master" &&
git checkout -B other b &&
test_must_fail git cherry-pick rebase-1 2>actual &&
test $(grep -c prepare-commit-msg actual) = 1
'
test_done