From 792fc8350fd48705f2bd245299650c8aefa66450 Mon Sep 17 00:00:00 2001
From: Chris Lord <chris@openedhand.com>
Date: Fri, 11 Feb 2005 02:12:28 +0000
Subject: Merge

2005/02/11 02:10:47+00:00 (none)!cwiiis
Rewrite of unionroot and unionroot-utils - Same functionality as before, but less errors and more efficient.

BKrev: 420c148c_dTY2QW3_z_MW-o2SF9Sag
---
 packages/unionfs/unionroot/init.unionroot | 87 ++++---------------------------
 1 file changed, 11 insertions(+), 76 deletions(-)

(limited to 'packages/unionfs/unionroot/init.unionroot')

diff --git a/packages/unionfs/unionroot/init.unionroot b/packages/unionfs/unionroot/init.unionroot
index 90aa4b015e..bfd86886a0 100644
--- a/packages/unionfs/unionroot/init.unionroot
+++ b/packages/unionfs/unionroot/init.unionroot
@@ -1,90 +1,25 @@
 #!/bin/sh
 
+PATH=/usr/bin:/usr/sbin:/bin:/sbin
 INIT=/sbin/init.sysvinit
-#OVERLAYS=/media/ram /media/cf /media/card
 ROOTBACKUP=/media/realroot
 UNION=/media/union
-PATH=/usr/bin:/usr/sbin:/bin:/sbin
-
-if ! test -e ${INIT}; then
-	echo >&2 "ERROR: ${INIT} not found"
-	exit 1
-fi
 
-if test x"$*" != "x"; then
-	exec ${INIT} $*
+if ! which unionctl; then
+	echo >&2 "ERROR: Package unionfs-utils not installed!"
+	exec ${INIT} $@
 fi
 
-if ! which unionctl; then
-	exec ${INIT}
+# For shutdown
+if ! [ -z "$@" ]; then
+	exec ${INIT} $@
 fi
 
-nodupmount () {
-	opts=""
-	type=""
-	while true; do
-		if test "$1" = "-o"; then
-			shift
-			opts="-o $1"
-			shift
-		elif test "$1" = "-t"; then
-			shift
-			type="$1"
-			shift
-		else
-			break
-		fi
-	done
-	if test x"$2" = "x"; then
-		mountpt="$1"
-	else
-		device="$1"
-		mountpt="$2"
-	fi
-	mountmatch="^[^ ]+ $mountpt $type"
-	# echo "NOTE: grep -E -q \"$mountmatch\" /proc/mounts"
-	if grep -E -q "$mountmatch" /proc/mounts; then
-		return 0;
-	fi
-	if test x"$type" != "x"; then
-		type="-t $type"
-	fi
-	echo >&2 "NOTE: executing mount $type $opts $device $mountpt"
-	mkdir -p $mountpt
-	/bin/mount.busybox $type $opts $device $mountpt
-	ret="$?"
-	if test "$ret" = "0"; then
-		wemounted="$wemounted $mountpt"
-	fi
-	return $ret
-}
+mount.busybox /proc
+insmod /lib/modules/`uname -r`/kernel/fs/unionfs.o
+mount.busybox -t unionfs -o dirs=/.=rw,setattr=all none ${UNION}
+umount.busybox /proc
 
-#set -x
-wemounted=""
-(
-	set -e
-	/bin/mount.busybox /proc
-	insmod /lib/modules/`uname -r`/kernel/fs/unionfs.o
-	nodupmount -t unionfs -o dirs=/.=rw none ${UNION}
-#	nodupmount -o bind / ${UNION}/${ROOTBACKUP}
-#	for OVERLAY in ${OVERLAYS}; do
-#		nodupmount ${OVERLAY}
-#		union-ctl /. --add --mode rw ${OVERLAY}
-#		nodupmount -o bind ${OVERLAY} ${UNION}/${OVERLAY}
-#	done
-	/bin/umount.busybox /proc
-#	nodupmount -o bind /proc ${UNION}/proc
-#	nodupmount -o bind / ${ROOTBACKUP}
-) || (
-	echo >&2 "ERROR: unable to setup mounts for chroot";
-	if test x"$wemounted" != "x"; then
-		# cleanup
-		for mount in $wemounted; do
-			/bin/umount.busybox $mount
-		done
-	fi
-	exec ${INIT}
-)
 cd ${UNION}
 pivot_root . ./${ROOTBACKUP}
 exec chroot . ${INIT}
-- 
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