specifying the values for
root_persistence="$(get_param_value 'rootpersistence=')"
root_persistence, homepersistence, rootsnapshotlabel and homesnapshotlabel
give a lot of possibilities for configuring multiple Operating Systems and
partitions in only one disk unit.
and allowing this values to be blank will speed up a lot the startup process
diff -Naur initrd-110-7-orig.txt/scripts/live initrd.txt/scripts/live
--- initrd-110-7-orig.txt/scripts/live 2007-11-19 10:58:26.000000000 +0100
+++ initrd.txt/scripts/live 2007-11-19 17:18:48.000000000 +0100
@@ -397,9 +401,96 @@
;;
xvideomode=*)
- XVIDEOMODE="${ARGUMENT#xvideomode=}"
+ XVIDEOMODE="$(get_param_value 'xvideomode=')"
export XVIDEOMODE
;;
+
+ rootpersistence=*)
+ root_persistence="$(get_param_value 'rootpersistence=')"
+ ;;
+
+ norootpersistence)
+ root_persistence=
+ ;;
+
+ homepersistence=*)
+ home_persistence="$(get_param_value 'homepersistence=')"
+ ;;
+
+ nohomepersistence)
+ home_persistence=
+ ;;
+
+ rootsnapshotlabel=*)
+ root_snapshot_label="$(get_param_value 'rootsnapshotlabel=')"
+ ;;
+
+ norootsnapshotlabel)
+ root_snapshot_label=
+ ;;
+
+ homesnapshotlabel=*)
+ home_snapshot_label="$(get_param_value 'homesnapshotlabel=')"
+ ;;
+
+ nohomesnapshotlabel)
+ home_snapshot_label=
+ ;;
+
+ nosnapshots)
+ home_snapshot_label=
+ root_snapshot_label=
+ ;;
+
esac
done
@@ -973,7 +1074,7 @@
mkdir -p /cow
# Looking for "${root_persistence}" device or file
- if [ -n "${PERSISTENT}" ]
+ if [ -n "${PERSISTENT}" -a -n "${root_persistence}" ]
then
cowprobe=$(find_cow_device "${root_persistence}")
@@ -1055,8 +1155,21 @@
mkdir -p "${rootmnt}/live"
mount -t tmpfs tmpfs ${rootmnt}/live
# Adding other custom mounts
- if [ -n "${PERSISTENT}" ]
+ if [ -n "${PERSISTENT}" -a -n "${home_persistence}" ]
then
# directly mount /home
# FIXME: add a custom mounts configurable system
@@ -1071,8 +1185,8 @@
fi
# Look for other snapshots to copy in
- try_snap "${root_snapshot_label}" "${rootmnt}" "ROOT"
- try_snap "${home_snapshot_label}" "${rootmnt}/home" "HOME"
+ [ -n "${root_snapshot_label}" ] && try_snap "${root_snapshot_label}" "${rootmnt}" "ROOT"
+ [ -n "${home_snapshot_label}" ] && try_snap "${home_snapshot_label}" "${rootmnt}/home" "HOME"
fi
if [ -n "${SHOWMOUNTS}" ]
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