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path: root/t/lib-git-daemon.sh
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# Shell library to run git-daemon in tests.  Ends the test early if
# GIT_TEST_GIT_DAEMON is not set.
#
# Usage:
#
#	. ./test-lib.sh
#	. "$TEST_DIRECTORY"/lib-git-daemon.sh
#	start_git_daemon
#
#	test_expect_success '...' '
#		...
#	'
#
#	test_expect_success ...
#
#	stop_git_daemon
#	test_done
 
test_tristate GIT_TEST_GIT_DAEMON
if test "$GIT_TEST_GIT_DAEMON" = false
then
	skip_all="git-daemon testing disabled (unset GIT_TEST_GIT_DAEMON to enable)"
	test_done
fi
 
LIB_GIT_DAEMON_PORT=${LIB_GIT_DAEMON_PORT-'8121'}
 
GIT_DAEMON_PID=
GIT_DAEMON_DOCUMENT_ROOT_PATH="$PWD"/repo
GIT_DAEMON_URL=git://127.0.0.1:$LIB_GIT_DAEMON_PORT
 
start_git_daemon() {
	if test -n "$GIT_DAEMON_PID"
	then
		error "start_git_daemon already called"
	fi
 
	mkdir -p "$GIT_DAEMON_DOCUMENT_ROOT_PATH"
 
	trap 'code=$?; stop_git_daemon; (exit $code); die' EXIT
 
	say >&3 "Starting git daemon ..."
	mkfifo git_daemon_output
	git daemon --listen=127.0.0.1 --port="$LIB_GIT_DAEMON_PORT" \
		--reuseaddr --verbose \
		--base-path="$GIT_DAEMON_DOCUMENT_ROOT_PATH" \
		"$@" "$GIT_DAEMON_DOCUMENT_ROOT_PATH" \
		>&3 2>git_daemon_output &
	GIT_DAEMON_PID=$!
	{
		read line <&7
		echo >&4 "$line"
		cat <&7 >&4 &
	} 7<git_daemon_output &&
 
	# Check expected output
	if test x"$(expr "$line" : "\[[0-9]*\] \(.*\)")" != x"Ready to rumble"
	then
		kill "$GIT_DAEMON_PID"
		wait "$GIT_DAEMON_PID"
		trap 'die' EXIT
		test_skip_or_die $GIT_TEST_GIT_DAEMON \
			"git daemon failed to start"
	fi
}
 
stop_git_daemon() {
	if test -z "$GIT_DAEMON_PID"
	then
		return
	fi
 
	trap 'die' EXIT
 
	# kill git-daemon child of git
	say >&3 "Stopping git daemon ..."
	kill "$GIT_DAEMON_PID"
	wait "$GIT_DAEMON_PID" >&3 2>&4
	ret=$?
	# expect exit with status 143 = 128+15 for signal TERM=15
	if test $ret -ne 143
	then
		error "git daemon exited with status: $ret"
	fi
	GIT_DAEMON_PID=
	rm -f git_daemon_output
}