From 32322960234c8ec91e0d42835a3ec5ee63305070 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 2 Feb 2019 11:00:00 +0100 Subject: Adding upstream version 20190202. Signed-off-by: Daniel Baumann --- system-build/functions/lockfile.sh | 47 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100755 system-build/functions/lockfile.sh (limited to 'system-build/functions/lockfile.sh') diff --git a/system-build/functions/lockfile.sh b/system-build/functions/lockfile.sh new file mode 100755 index 0000000..cabb85f --- /dev/null +++ b/system-build/functions/lockfile.sh @@ -0,0 +1,47 @@ +#!/bin/sh + +## live-build(7) - System Build Scripts +## Copyright (C) 2006-2015 Daniel Baumann +## +## This program comes with ABSOLUTELY NO WARRANTY; for details see COPYING. +## This is free software, and you are welcome to redistribute it +## under certain conditions; see COPYING for details. + + +Check_lockfile () +{ + FILE="${1}" + + if [ -z "${FILE}" ] + then + FILE=".build/lock" + fi + + # Checking lock file + if [ -f "${FILE}" ] + then + Echo_error "${PROGRAM} locked" + exit 1 + fi +} + +Create_lockfile () +{ + FILE="${1}" + + if [ -z "${FILE}" ] + then + FILE=".build/lock" + fi + + DIRECTORY="$(dirname ${FILE})" + + # Creating lock directory + mkdir -p "${DIRECTORY}" + + # Creating lock trap + trap 'ret=${?}; '"rm -f \"${FILE}\";"' exit ${ret}' EXIT HUP INT QUIT TERM + + # Creating lock file + touch "${FILE}" +} -- cgit v1.2.3