diff options
Diffstat (limited to 'helpers/lh_chroot_cache')
-rwxr-xr-x | helpers/lh_chroot_cache | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/helpers/lh_chroot_cache b/helpers/lh_chroot_cache new file mode 100755 index 0000000..8d3d962 --- /dev/null +++ b/helpers/lh_chroot_cache @@ -0,0 +1,92 @@ +#!/bin/sh + +# lh_chroot_cache(1) - cach chroot stage +# Copyright (C) 2006-2007 Daniel Baumann <daniel@debian.org> +# +# live-helper 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. + +set -e + +# Including common functions +LH_BASE="${LH_BASE:-/usr/share/live-helper}" + +for FUNCTION in "${LH_BASE}"/functions/*.sh +do + . "${FUNCTION}" +done + +# Setting static variables +DESCRIPTION="cache chroot stage" +HELP="" +USAGE="${PROGRAM} [--force]" + +Arguments "${@}" + +# Reading configuration files +Read_conffile config/common +Read_conffile config/bootstrap +Read_conffile config/chroot +Read_conffile config/binary +Read_conffile config/source +Set_defaults + +Echo_message "Begin caching chroot stage..." + +for STAGE in ${LH_CACHE_STAGES} +do + case "${1}" in + restore) + # Checking stage file + Check_stagefile .stage/chroot_cache.restore + + # Checking lock file + Check_lockfile .lock + + # Creating lock file + Create_lockfile .lock + + if [ "${STAGE}" = "chroot" ] && [ -d cache/stages_chroot ] + then + # Restoring old cache + ${LH_ROOT_COMMAND} cp -a cache/stages_chroot/* chroot + + if [ -n "${LH_ROOT_COMMAND}" ] + then + ${LH_ROOT_COMMAND} chown -R `whoami`:`whoami` chroot + fi + + # Creating stage file + Create_stagefile .stage/chroot_cache.restore + + exit 0 + fi + ;; + + save) + # Checking stage file + Check_stagefile .stage/chroot_cache.save + + # Checking lock file + Check_lockfile .lock + + # Creating lock file + Create_lockfile .lock + + if [ "${STAGE}" = "chroot" ] + then + rm -rf cache/stages_chroot + + mkdir -p cache + + ${LH_ROOT_COMMAND} cp -a chroot cache/stages_chroot + + if [ -n "${LH_ROOT_COMMAND}" ] + then + ${LH_ROOT_COMMAND} chown -R `whoami`:`whoami` cache/stages_chroot + fi + fi + ;; + esac +done |