diff options
author | jonas <jonas@8f53b18a-e215-0410-8885-9f593d34873e> | 2006-06-10 18:18:37 +0000 |
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committer | jonas <jonas@8f53b18a-e215-0410-8885-9f593d34873e> | 2006-06-10 18:18:37 +0000 |
commit | b6d85b04286d30498a11aaac36e75032b1e72801 (patch) | |
tree | 2fc597a2ae2cf69a5cc6b3e7162f02f89613b08d /addons/x11infoscreen/etc/init.d/flashybrid | |
parent | 369cb1e5a343ec9e7c6f05de64f0eb102488d77f (diff) |
Added all work so far...
git-svn-id: svn+ssh://xayide/home/jonas/private_svn/fleshybrid/trunk@2 8f53b18a-e215-0410-8885-9f593d34873e
Diffstat (limited to 'addons/x11infoscreen/etc/init.d/flashybrid')
-rwxr-xr-x | addons/x11infoscreen/etc/init.d/flashybrid | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/addons/x11infoscreen/etc/init.d/flashybrid b/addons/x11infoscreen/etc/init.d/flashybrid new file mode 100755 index 0000000..5ab4037 --- /dev/null +++ b/addons/x11infoscreen/etc/init.d/flashybrid @@ -0,0 +1,128 @@ +#!/bin/sh +# Set up/shutdown the flashybrid system, including the ramdisk and partial +# directory bind mounts. This needs to run at the part of system bootup that +# mounts all the disks. It should also run at shutdown right before +# filesystems are unmounted. + +CONFDIR=/etc/flashybrid +if [ -e $CONFDIR/config ]; then + . $CONFDIR/config +fi + +ENABLED=no +if [ -e /etc/default/flashybrid ]; then + . /etc/default/flashybrid +fi + +if [ -z "$RAMMOUNT" ]; then + exit 0 +fi + +is_mounted () { + grep -q " $1 " /proc/mounts +} + +case "$1" in +start) + if [ "$ENABLED" != yes ]; then + echo "Not setting up flashybrid system: disabled." + exit + fi + + printf "Setting up flashybrid system..." + + # Set up partial directories and so on, make sure disk is + # unmounted. + fh-embed >/dev/null + + # Set up ram disk to hold variable data. + if ! is_mounted $RAMMOUNT; then + mount tmpfs -t tmpfs $RAMMOUNT + fi + + # Temporary directories on ram disk. + for dir in $(grep -v '^#' $CONFDIR/ramtmp); do + mkdir -p -m 1777 $RAMMOUNT/$dir + if is_mounted $dir; then + umount $dir + fi + mount --bind $RAMMOUNT/$dir $dir + done + + # Copy data from flash to ram disk for these directories. + for dir in $(grep -v '^#' $CONFDIR/ramstore); do + # Skip dirs that are not present. + if [ -d $dir ]; then + ramdir=$RAMMOUNT$dir + if is_mounted $dir; then + umount $dir + fi + if is_mounted $ramdir.flash; then + umount $ramdir.flash + fi + if [ ! -d $ramdir ]; then + mkdir -p ${ramdir%/*} # dirname + cp -a $dir $ramdir + fi + mkdir -p $ramdir.flash + mount --bind $dir $ramdir.flash + mount --bind $ramdir $dir + fi + done + + # Make sure virtual filesystems are properly mounted + invoke-rc.d mountvirtfs start || /bin/true + + echo "done." +;; +stop) + if [ "$ENABLED" != yes ]; then + echo "Not shutting down flashybrid system: disabled." + exit + fi + + printf "Shutting down flashybrid system..." + + # Copy data to flash. + # Remount the flash read-write so the copies to it will work. + mount -o remount,rw / + for dir in $(grep -v '^#' $CONFDIR/ramstore); do + if [ -d $RAMMOUNT/$dir ] && [ -d $RAMMOUNT/$dir.flash ]; then + # rsync is used to avoid churning the flash + # unnecessarily. The trailing slashes are very + # important.. + rsync --delete -a $RAMMOUNT/$dir/ $RAMMOUNT/$dir.flash/ + fi + done + + for dir in $(grep -v '^#' $CONFDIR/ramtmp); do + if is_mounted $dir; then + umount $dir + fi + done + + for dir in $(grep -v '^#' $CONFDIR/ramstore); do + ramdir=$RAMMOUNT$dir + if is_mounted $ramdir.flash; then + umount $ramdir.flash + fi + if is_mounted $dir; then + umount $dir + fi + done + + if is_mounted $RAMMOUNT; then + umount $RAMMOUNT + fi + + echo "done." +;; +restart|force-reload) + $0 stop + $0 start +;; +*) + echo "Usage: $0 {start|stop|restart|force-reload}" + exit 1 +;; +esac |