2 files changed, 159 insertions, 2 deletions
diff --git a/packages/nslu2-binary-only/unslung-rootfs/NOTES b/packages/nslu2-binary-only/unslung-rootfs/NOTES
index 9f110f8fe2..da2601acaf 100644
--- a/packages/nslu2-binary-only/unslung-rootfs/NOTES
+++ b/packages/nslu2-binary-only/unslung-rootfs/NOTES
@@ -423,7 +423,11 @@ and about 1MB of RAM.
 
 First public release of 4.x firmware.
 
-4.21:
+5.1:
 
 Upgraded to Linksys firmware V2.3R29, but kept telnetd.
-Fixed maintenance mode.
+
+5.2:
+
+Removed the ipkg link, and made unsling put it back on an external disk.
+
diff --git a/packages/nslu2-binary-only/unslung-rootfs/unsling b/packages/nslu2-binary-only/unslung-rootfs/unsling
index e69de29bb2..6e5a5ef8c3 100644
--- a/packages/nslu2-binary-only/unslung-rootfs/unsling
+++ b/packages/nslu2-binary-only/unslung-rootfs/unsling
@@ -0,0 +1,153 @@
+#!/bin/sh
+
+usage="Usage: $0 disk1|disk2"
+
+# Set target disk
+
+if [ $# -gt 1 ] ; then
+    echo $usage
+    exit 1
+fi
+
+if [ $# -eq 1 ] ; then
+    if [ "$1" = "disk1" ] ; then
+	targ=/share/hdd/data
+	copy=true
+	flag=.sda1root
+    elif [ "$1" = "disk2" ] ; then
+	targ=/share/flash/data
+	copy=true
+	flag=.sdb1root
+    elif [ "$1" = "hdd-data" ] ; then
+	targ=/share/hdd/data
+	copy=true
+	flag=.sda1root
+    elif [ "$1" = "hdd-conf" ] ; then
+	targ=/share/hdd/conf
+	copy=true
+	flag=.sda2root
+    elif [ "$1" = "flash-data" ] ; then
+	targ=/share/flash/data
+	copy=true
+	flag=.sdb1root
+    elif [ "$1" = "flash-conf" ] ; then
+	targ=/share/flash/conf
+	copy=true
+	flag=.sdb2root
+    elif [ "$1" = "jffs2-hdd-data" ] ; then
+	targ=/share/hdd/data
+	copy=
+    elif [ "$1" = "jffs2-hdd-conf" ] ; then
+	targ=/share/hdd/conf
+	copy=
+    elif [ "$1" = "jffs2-flash-data" ] ; then
+	targ=/share/flash/data
+	copy=
+    elif [ "$1" = "jffs2-flash-conf" ] ; then
+	targ=/share/flash/conf
+	copy=
+    else
+	echo $usage
+	exit 1
+    fi
+else
+    echo $usage
+    exit 1
+fi
+
+# Check it's a real mount point
+
+if grep $targ /proc/mounts >/dev/null 2>&1 ; then
+    echo "Target disk is $targ"
+else
+    echo "Error: $targ is not a mounted disk"
+    exit 1
+fi
+
+# Start at the root directory
+
+cd /
+
+if [ -z "$copy" ] ; then
+
+    # Ensure /opt is there.
+
+    if [ ! -d $targ/opt ] ; then
+	echo "Creating new /opt directory on target disk."
+	mkdir -p $targ/opt
+    else
+	echo "Preserving existing /opt directory on target disk."
+    fi
+  
+    if [ -d /opt -a ! -h /opt ] ; then
+	echo "Copying existing /opt directory from root disk to target disk."
+	tar cf - opt | ( cd $targ ; tar xf - )
+	mv /opt /opt.old
+    fi
+
+    echo "Linking /opt directory from target disk to root disk."
+    rm -f /opt ; ln -s $targ/opt /opt
+
+    # Ensure /usr/lib/ipkg is there.
+
+    if [ ! -d $targ/usr/lib/ipkg ] ; then
+	echo "Creating new /usr/lib/ipkg directory on target disk."
+	mkdir -p $targ/usr/lib/ipkg
+    fi
+  
+    if [ ! -f $targ/usr/lib/ipkg/status -a -d /usr/lib/ipkg -a ! -h /usr/lib/ipkg ] ; then
+	echo "Copying existing /usr/lib/ipkg directory from root disk to target disk."
+	tar cf - usr/lib/ipkg | ( cd $targ ; tar xf - )
+    else
+	echo "Preserving existing ipkg database on target disk."
+    fi
+
+    if [ -d /usr/lib/ipkg -a ! -h /usr/lib/ipkg ] ; then
+	echo "Saving /usr/lib/ipkg directory on root disk in /usr/lib/ipkg.old"
+	rm -rf /usr/lib/ipkg.old
+	mv /usr/lib/ipkg /usr/lib/ipkg.old
+    fi
+
+    echo "Linking /usr/lib/ipkg directory from target disk to root disk."
+    rm -f /usr/lib/ipkg ; ln -s $targ/usr/lib/ipkg /usr/lib/ipkg
+
+    echo "Linking /usr/bin/ipkg executable on root disk."
+    rm -f /usr/bin/ipkg ; ln -s /usr/bin/ipkg-cl /usr/bin/ipkg
+
+else
+
+    # Save the existing ipkg database.
+
+    rm -rf $targ/usr/lib/ipkg.old
+    if [ -f $targ/usr/lib/ipkg/status ] ; then
+	mv $targ/usr/lib/ipkg $targ/usr/lib/ipkg.old
+    fi
+
+    # Copy the complete rootfs to the target.
+
+    echo "Copying the complete rootfs from / to $targ."
+    /usr/bin/find / -print0 -mount | /usr/bin/cpio -p -0 -d -m -u $targ
+    rm -rf $targ/dev ; mv $targ/dev.state $targ/dev
+    rm -rf $targ/var ; mv $targ/var.state $targ/var
+
+    # Copy over the existing ipkg database.
+
+    if [ -f $targ/usr/lib/ipkg.old/status ] ; then
+	echo "Preserving existing ipkg database on target disk."
+	( cd $targ/usr/lib/ipkg.old ; tar cf - . ) | ( cd $targ/usr/lib/ipkg ; tar xf - )
+    fi
+
+    echo "Linking /usr/bin/ipkg executable on target disk."
+    rm -f $targ/usr/bin/ipkg ; ln -s /usr/bin/ipkg-cl $targ/usr/bin/ipkg
+
+    # Create the boot flag file.
+
+    rm -f /.sd??root $targ/.sd??root /.ramdisk $targ/.ramdisk
+
+    echo "Creating /$flag to direct switchbox to boot from $targ."
+    echo > /$flag
+    echo > $targ/$flag
+
+fi
+
+exit 0