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path: root/t/t7504-commit-msg-hook.sh
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#!/bin/sh
 
test_description='commit-msg hook'
 
. ./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
 
test_expect_success 'with failing hook' '
 
	echo "another" >> file &&
	git add file &&
	! 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 '--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
 
'
 
chmod -x "$HOOK"
test_expect_success 'with non-executable hook' '
 
	echo "content" >> file &&
	git add file &&
	git commit -m "content"
 
'
 
test_expect_success '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 '--no-verify with non-executable hook' '
 
	echo "more content" >> file &&
	git add file &&
	git commit --no-verify -m "more content"
 
'
 
test_expect_success '--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"
 
commit_msg_is () {
	test "`git log --pretty=format:%s%b -1`" = "$1"
}
 
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_done