diff options
-rwxr-xr-x | bin/live-snapshot | 6 | ||||
-rw-r--r-- | debian/live-boot.init | 5 | ||||
-rwxr-xr-x | scripts/live | 28 |
3 files changed, 31 insertions, 8 deletions
diff --git a/bin/live-snapshot b/bin/live-snapshot index 08e5fd6..991e704 100755 --- a/bin/live-snapshot +++ b/bin/live-snapshot @@ -7,7 +7,7 @@ # for reuse in another live-boot session. # Look at the manpage for more informations. # -# Copyright (C) 2006-2008 Marco Amadori <marco.amadori@gmail.com> +# Copyright (C) 2006-2010 Marco Amadori <marco.amadori@gmail.com> # Copyright (C) 2008 Chris Lamb <chris@chris-lamb.co.uk> # # This program is free software: you can redistribute it and/or modify @@ -39,7 +39,7 @@ fi . /usr/share/initramfs-tools/scripts/live-helpers -LIVE_CONF="/etc/live.conf" +LIVE_CONF="/etc/live/boot.d/snapshot.conf" if [ -r "${LIVE_CONF}" ] then @@ -242,7 +242,7 @@ Defaults () # Parse resync string if [ -n "${SNAP_RESYNC_STRING}" ] then - SNAP_COW=$(echo "${SNAP_RESYNC_STRING}" | sed -e 's|^/root\([^:.]*\).*$|'"${DEF_SNAP_COW}"'\1|') + SNAP_COW=$(echo "${SNAP_RESYNC_STRING}" | sed -r -e 's#^([^:]*).*$#'"${DEF_SNAP_COW}"'\1#') SNAP_DEV=$(echo "${SNAP_RESYNC_STRING}" | cut -f2 -d ':') SNAP_MNT=$(echo "${SNAP_RESYNC_STRING}" | cut -f3 -d ':') DEST="${MOUNTP}/${SNAP_MNT}" diff --git a/debian/live-boot.init b/debian/live-boot.init index 548abca..6c3e665 100644 --- a/debian/live-boot.init +++ b/debian/live-boot.init @@ -21,12 +21,13 @@ PATH=/usr/sbin:/usr/bin:/sbin:/bin NAME=live-boot SCRIPTNAME=/etc/init.d/${NAME} DO_SNAPSHOT=/sbin/live-snapshot +SNAPSHOT_CONF="/etc/live/boot.d/snapshot.conf" # Exit if system was not booted by live-boot grep -qs boot=live /proc/cmdline || exit 0 -# Read configuration variable file if it is present -[ -r /etc/live.conf ] && . /etc/live.conf +# Read snapshot configuration variables +[ -r ${SNAPSHOT_CONF} ] && . ${SNAPSHOT_CONF} # Load the VERBOSE setting and other rcS variables [ -f /etc/default/rcS ] && . /etc/default/rcS diff --git a/scripts/live b/scripts/live index 60a2c33..98129a5 100755 --- a/scripts/live +++ b/scripts/live @@ -965,6 +965,16 @@ try_snap () snapdata="${1}" snap_mount="${2}" snap_type="${3}" + snap_relpath="${4}" + + if [ -z "${snap_relpath}" ] + then + # root snapshot, default usage + snap_relpath="/" + else + # relative snapshot (actually used just for "/home" snapshots) + snap_mount="${2}${snap_relpath}" + fi if [ -n "${snapdata}" ] && [ ! -b "${snapdata}" ] then @@ -1045,11 +1055,11 @@ try_snap () fi fi else - log_warning_msg "Impossible to include the ${snap_type} Snapshot" + log_warning_msg "Impossible to include the ${snap_type} Snapshot (o)" return 1 fi - echo "export ${snap_type}SNAP="/cow${snap_mount#$rootmnt}":${snapdev}:${snapfile}" >> /etc/live.conf # for resync on reboot/halt + echo "export ${snap_type}SNAP=${snap_relpath}:${snapdev}:${snapfile}" >> snapshot.conf # for resync on reboot/halt return 0 } @@ -1387,7 +1397,7 @@ setup_unionfs () # Look for other snapshots to copy in try_snap "${root_snapdata}" "${rootmnt}" "ROOT" # This second type should be removed when snapshot grow smarter - try_snap "${home_snapdata}" "${rootmnt}/home" "HOME" + try_snap "${home_snapdata}" "${rootmnt}" "HOME" "/home" fi if [ -n "${SHOWMOUNTS}" ] @@ -1796,6 +1806,18 @@ mountroot () # when booting FAI, this simple workaround solves it ls /root/* >/dev/null 2>&1 + # copy snapshot configuration if exists + if [ -f snapshot.conf ] + then + log_begin_msg "Copying snapshot.conf to ${rootmnt}/etc/live/boot.d" + if [ ! -d "${rootmnt}/etc/live/boot.d" ] + then + mkdir -p "${rootmnt}/etc/live/boot.d" + fi + cp snapshot.conf "${rootmnt}/etc/live/boot.d/" + log_end_msg + fi + maybe_break live-bottom log_begin_msg "Running /scripts/live-bottom\n" |