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-rwxr-xr-xscripts/build/lb_chroot_cache90
1 files changed, 90 insertions, 0 deletions
diff --git a/scripts/build/lb_chroot_cache b/scripts/build/lb_chroot_cache
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--- /dev/null
+++ b/scripts/build/lb_chroot_cache
@@ -0,0 +1,90 @@
+#!/bin/sh
+
+## live-build(7) - System Build Scripts
+## Copyright (C) 2006-2010 Daniel Baumann <daniel@debian.org>
+##
+## live-build 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
+. "${LB_BASE:-/usr/share/live/build}"/scripts/build.sh
+
+# Setting static variables
+DESCRIPTION="$(Echo 'cache chroot stage')"
+HELP=""
+USAGE="${PROGRAM} [--force]"
+
+Arguments "${@}"
+
+# Reading configuration files
+Read_conffiles config/all config/common config/bootstrap config/chroot config/binary config/source
+Set_defaults
+
+Echo_message "Begin caching chroot stage..."
+
+for STAGE in ${LB_CACHE_STAGES}
+do
+ if [ "${STAGE}" = "chroot" ]
+ then
+ case "${1}" in
+ restore)
+ # Checking stage file
+ Check_stagefile .stage/chroot_cache.restore
+
+ if [ -d cache/stages_chroot ]
+ then
+ # Checking lock file
+ Check_lockfile .lock
+
+ # Creating lock file
+ Create_lockfile .lock
+
+ # Removing old chroot
+ rm -rf chroot
+
+ # Restoring old cache
+ ${LB_ROOT_COMMAND} cp -a cache/stages_chroot chroot
+
+ if [ -n "${LB_ROOT_COMMAND}" ]
+ then
+ ${LB_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
+
+ rm -rf cache/stages_chroot
+
+ mkdir -p cache
+
+ ${LB_ROOT_COMMAND} cp -a chroot cache/stages_chroot
+
+ if [ -n "${LB_ROOT_COMMAND}" ]
+ then
+ ${LB_ROOT_COMMAND} chown -R $(whoami):$(whoami) cache/stages_chroot
+ fi
+
+ # Creating stage file
+ Create_stagefile .stage/chroot_cache.save
+ ;;
+ esac
+ fi
+done