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git/t/t7504-commit-msg-hook.sh

309 lines
6.6 KiB

#!/bin/sh
test_description='commit-msg hook'
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
. ./test-lib.sh
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
cp FAKE_MSG "$1"
exit 0
EOF
chmod +x fake-editor
## Not using test_set_editor here so we can easily ensure the editor variable
## is only set for the editor tests
FAKE_EDITOR="$(pwd)/fake-editor"
export FAKE_EDITOR
test_expect_success 'with no hook (editor)' '
echo "more foo" >> file &&
git add file &&
echo "more foo" > FAKE_MSG &&
GIT_EDITOR="\"\$FAKE_EDITOR\"" git commit
'
test_expect_success '--no-verify with no hook' '
echo "bar" > file &&
git add file &&
git commit --no-verify -m "bar"
'
test_expect_success '--no-verify with no hook (editor)' '
echo "more bar" > file &&
git add file &&
echo "more bar" > FAKE_MSG &&
GIT_EDITOR="\"\$FAKE_EDITOR\"" git commit --no-verify
'
# now install hook that always succeeds
HOOKDIR="$(git rev-parse --git-dir)/hooks"
HOOK="$HOOKDIR/commit-msg"
mkdir -p "$HOOKDIR"
cat > "$HOOK" <<EOF
#!/bin/sh
exit 0
EOF
chmod +x "$HOOK"
test_expect_success 'with succeeding hook' '
echo "more" >> file &&
git add file &&
git commit -m "more"
'
test_expect_success 'with succeeding hook (editor)' '
echo "more more" >> file &&
git add file &&
echo "more more" > FAKE_MSG &&
GIT_EDITOR="\"\$FAKE_EDITOR\"" git commit
'
test_expect_success '--no-verify with succeeding hook' '
echo "even more" >> file &&
git add file &&
git commit --no-verify -m "even more"
'
test_expect_success '--no-verify with succeeding hook (editor)' '
echo "even more more" >> file &&
git add file &&
echo "even more more" > FAKE_MSG &&
GIT_EDITOR="\"\$FAKE_EDITOR\"" git commit --no-verify
'
# now a hook that fails
cat > "$HOOK" <<EOF
#!/bin/sh
exit 1
EOF
commit_msg_is () {
test "$(git log --pretty=format:%s%b -1)" = "$1"
}
test_expect_success 'with failing hook' '
echo "another" >> file &&
git add file &&
test_must_fail git commit -m "another"
'
test_expect_success 'with failing hook (editor)' '
echo "more another" >> file &&
git add file &&
echo "more another" > FAKE_MSG &&
! (GIT_EDITOR="\"\$FAKE_EDITOR\"" git commit)
'
test_expect_success '--no-verify with failing hook' '
echo "stuff" >> file &&
git add file &&
git commit --no-verify -m "stuff"
'
test_expect_success '-n followed by --verify with failing hook' '
echo "even more" >> file &&
git add file &&
test_must_fail git commit -n --verify -m "even more"
'
test_expect_success '--no-verify with failing hook (editor)' '
echo "more stuff" >> file &&
git add file &&
echo "more stuff" > FAKE_MSG &&
GIT_EDITOR="\"\$FAKE_EDITOR\"" git commit --no-verify
'
test_expect_success 'merge fails with failing hook' '
test_when_finished "git branch -D newbranch" &&
test_when_finished "git checkout -f main" &&
git checkout --orphan newbranch &&
: >file2 &&
git add file2 &&
git commit --no-verify file2 -m in-side-branch &&
test_must_fail git merge --allow-unrelated-histories main &&
commit_msg_is "in-side-branch" # HEAD before merge
'
test_expect_success 'merge bypasses failing hook with --no-verify' '
test_when_finished "git branch -D newbranch" &&
test_when_finished "git checkout -f main" &&
git checkout --orphan newbranch &&
git rm -f file &&
: >file2 &&
git add file2 &&
git commit --no-verify file2 -m in-side-branch &&
git merge --no-verify --allow-unrelated-histories main &&
commit_msg_is "Merge branch '\''main'\'' into newbranch"
'
chmod -x "$HOOK"
test_expect_success POSIXPERM 'with non-executable hook' '
echo "content" >file &&
git add file &&
git commit -m "content"
'
test_expect_success POSIXPERM 'with non-executable hook (editor)' '
echo "content again" >> file &&
git add file &&
echo "content again" > FAKE_MSG &&
GIT_EDITOR="\"\$FAKE_EDITOR\"" git commit -m "content again"
'
test_expect_success POSIXPERM '--no-verify with non-executable hook' '
echo "more content" >> file &&
git add file &&
git commit --no-verify -m "more content"
'
test_expect_success POSIXPERM '--no-verify with non-executable hook (editor)' '
echo "even more content" >> file &&
git add file &&
echo "even more content" > FAKE_MSG &&
GIT_EDITOR="\"\$FAKE_EDITOR\"" git commit --no-verify
'
# now a hook that edits the commit message
cat > "$HOOK" <<'EOF'
#!/bin/sh
echo "new message" > "$1"
exit 0
EOF
chmod +x "$HOOK"
test_expect_success 'hook edits commit message' '
echo "additional" >> file &&
git add file &&
git commit -m "additional" &&
commit_msg_is "new message"
'
test_expect_success 'hook edits commit message (editor)' '
echo "additional content" >> file &&
git add file &&
echo "additional content" > FAKE_MSG &&
GIT_EDITOR="\"\$FAKE_EDITOR\"" git commit &&
commit_msg_is "new message"
'
test_expect_success "hook doesn't edit commit message" '
echo "plus" >> file &&
git add file &&
git commit --no-verify -m "plus" &&
commit_msg_is "plus"
'
test_expect_success "hook doesn't edit commit message (editor)" '
echo "more plus" >> file &&
git add file &&
echo "more plus" > FAKE_MSG &&
GIT_EDITOR="\"\$FAKE_EDITOR\"" git commit --no-verify &&
commit_msg_is "more plus"
'
test_expect_success 'hook called in git-merge picks up commit message' '
test_when_finished "git branch -D newbranch" &&
test_when_finished "git checkout -f main" &&
git checkout --orphan newbranch &&
git rm -f file &&
: >file2 &&
git add file2 &&
git commit --no-verify file2 -m in-side-branch &&
git merge --allow-unrelated-histories main &&
commit_msg_is "new message"
'
test_expect_failure 'merge --continue remembers --no-verify' '
test_when_finished "git branch -D newbranch" &&
test_when_finished "git checkout -f main" &&
git checkout main &&
echo a >file2 &&
git add file2 &&
git commit --no-verify -m "add file2 to main" &&
git checkout -b newbranch main^ &&
echo b >file2 &&
git add file2 &&
git commit --no-verify file2 -m in-side-branch &&
git merge --no-verify -m not-rewritten-by-hook main &&
# resolve conflict:
echo c >file2 &&
git add file2 &&
git merge --continue &&
commit_msg_is not-rewritten-by-hook
'
# set up fake editor to replace `pick` by `reword`
cat > reword-editor <<'EOF'
#!/bin/sh
mv "$1" "$1".bup &&
sed 's/^pick/reword/' <"$1".bup >"$1"
EOF
chmod +x reword-editor
REWORD_EDITOR="$(pwd)/reword-editor"
export REWORD_EDITOR
test_expect_success 'hook is called for reword during `rebase -i`' '
GIT_SEQUENCE_EDITOR="\"$REWORD_EDITOR\"" git rebase -i HEAD^ &&
commit_msg_is "new message"
'
test_done