diff options
author | Denys Dmytriyenko <denis@denix.org> | 2009-03-17 14:32:59 -0400 |
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committer | Denys Dmytriyenko <denis@denix.org> | 2009-03-17 14:32:59 -0400 |
commit | 709c4d66e0b107ca606941b988bad717c0b45d9b (patch) | |
tree | 37ee08b1eb308f3b2b6426d5793545c38396b838 /recipes/unionfs/unionroot-utils/umount.unionroot | |
parent | fa6cd5a3b993f16c27de4ff82b42684516d433ba (diff) |
rename packages/ to recipes/ per earlier agreement
See links below for more details:
http://thread.gmane.org/gmane.comp.handhelds.openembedded/21326
http://thread.gmane.org/gmane.comp.handhelds.openembedded/21816
Signed-off-by: Denys Dmytriyenko <denis@denix.org>
Acked-by: Mike Westerhof <mwester@dls.net>
Acked-by: Philip Balister <philip@balister.org>
Acked-by: Khem Raj <raj.khem@gmail.com>
Acked-by: Marcin Juszkiewicz <hrw@openembedded.org>
Acked-by: Koen Kooi <koen@openembedded.org>
Acked-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com>
Diffstat (limited to 'recipes/unionfs/unionroot-utils/umount.unionroot')
-rwxr-xr-x | recipes/unionfs/unionroot-utils/umount.unionroot | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/recipes/unionfs/unionroot-utils/umount.unionroot b/recipes/unionfs/unionroot-utils/umount.unionroot new file mode 100755 index 0000000000..df0eccb353 --- /dev/null +++ b/recipes/unionfs/unionroot-utils/umount.unionroot @@ -0,0 +1,86 @@ +#!/bin/sh + +#set -x + +ROOTMOUNTPT=/media/realroot +REALUMOUNT=/bin/umount.busybox +UNIONUMOUNT=$0 +INCDIRS="^/media/\|^/mnt/" +DEVICE="\/dev\/" + +newargs="" + +ONESHIFTARGS='adflnrv' +TWOSHIFTARGS="tO" + +resolvelink () { + if test -h $1; then + echo `readlink $1` + else + echo $1 + fi +} + +# Retrieves arguments/mount-point +for var in $@; do + if [ -z "$SKIP" ]; then + if echo $var | grep -q "^-.*"; then + if echo $var | grep -q "[$TWOSHIFTARGS]"; then + SKIP="yes" + fi + if echo $var | grep -q "^-[^- ]*a"; then + DO_FSTAB="yes" + fi + ARGS="$ARGS $var" + else + if [ -z "$MOUNT_POINT" ]; then + MOUNT_POINT=$var + else + # This really shouldn't happen when unmounting + DEV_PATH="$MOUNT_POINT" + MOUNT_POINT="$var" + fi + fi + else + ARGS="$ARGS $var" + unset SKIP + fi +done + +# Parse fstab if -a is used +if ! [ -z "$DO_FSTAB" ]; then + # FIXME: This doesn't handle -t or -O + awk '/^[^ #]/ {print $1}' /etc/fstab | + while read line; do + ${UNIONUMOUNT} $line + done + exit 0 +fi + +# Get mount-point for device name, if device name is given +if echo "$MOUNT_POINT" | grep -q "^${DEVICE}"; then + MOUNT_POINT_TEMP=`echo $MOUNT_POINT | sed -e "s/\//\\\\\\\\\//g"` + NEW_MOUNT_POINT=`awk "/$MOUNT_POINT_TEMP/ {print "'$2'"}" /etc/fstab` + if ! [ -z "$NEW_MOUNT_POINT" ]; then + MOUNT_POINT=$NEW_MOUNT_POINT + fi +fi + +if ! (echo "$MOUNT_POINT" | grep -q "$INCDIRS"||[ "$MOUNT_POINT" = "/" ]); then + exec ${REALMOUNT} $@ +fi + +# Replace requests to mount '/' (from init scripts and such) +# with mount ROOTMOUNTPT (the real-root mount point for the +# unionfs'd system). +packagedir="" +if ([ "$MOUNT_POINT" = "/" ]||[ "$MOUNT_POINT" = "${ROOTMOUNTPT}" ]); then + MOUNT_POINT=${ROOTMOUNTPT} +else + PACKAGE_DIR="/packages" +fi + +# Finally, umount and union-umount +unionctl /. --remove `resolvelink $MOUNT_POINT`$PACKAGE_DIR +exec ${REALUMOUNT} $ARGS $MOUNT_POINT + |