+++ /dev/null
-#!/bin/sh
-# Sets up (if necessary) and chroots into a different environment.
-# Expects root privileges, does not drop them.
-
-# By Alan M Bruce (qole) with help from Benson Mitchell
-#
-# GPL licensed; keep code free!
-
-# This script should have a wrapper to set up extra variables,
-# OR, it can be run as a command:
-# qmount <part/file/'none'> <mountpoint>
-
-if [ "`whoami`" != "root" ] ; then
- echo "please run me as root!"
- exit 9
-fi
-
-IMGFILE=$1
-MNTPT=$2
-
-#echo qmount $IMGFILE $MNTPT
-
-#Ensure that we have an image or partition to mount
-
-if [ ! -f "$IMGFILE" ] && [ ! -b "$IMGFILE" ] ; then
- MSG1=`printf "ERROR!\n\nThe image specified ($IMGFILE) does not exist or is neither\na regular nor a block special file.\n\nFirst parameter must be an image file or partition"`
- if [ ! -f "/usr/bin/gxmessage" ] ; then
- echo $MSG1 >/dev/stderr
- else
- gxmessage -center -alignbuttons center -buttons GTK_STOCK_OK:0 -geometry 680x250 -title "EZ-CHROOT ERROR" "$MSG1"
- fi
- exit 9
-fi
-
-#Ensure that we have a chroot directory to mount the image or partition on
-
-if [ "x$MNTPT" = "x" ] || [ "x`echo $MNTPT | grep '/'`" = "x" ] ; then
- MSG1=`printf "ERROR!\n\nNo chroot directory specified!\n\nSecond parameter must be chroot dir (eg. /debian)"`
- if [ ! -f "/usr/bin/gxmessage" ] ; then
- echo $MSG1 >/dev/stderr
- else
- gxmessage -center -alignbuttons center -buttons GTK_STOCK_OK:0 -geometry 680x250 -title "EZ-CHROOT ERROR" "$MSG1"
- fi
- exit 9
-fi
-
-#Check to see if already mounted
-if [ -f "$MNTPT/var/lock/qmount-complete" ] ; then
- echo "$MNTPT has a qmount already!" >/dev/stderr
- MTDIMGFILE=`cat $MNTPT/var/lock/qmount-complete`
- if [ "$IMGFILE" != "$MTDIMGFILE" ] ; then
- echo $MTDIMGFILE already mounted here! >/dev/stderr
- MSG1=`printf "Mount problem!\n\n$MTDIMGFILE already mounted on $MNTPT"`
- if [ ! -f "/usr/bin/gxmessage" ] ; then
- echo $MSG1 >/dev/stderr
- else
- gxmessage -center -alignbuttons center -buttons GTK_STOCK_OK:0 -geometry 680x250 -title "EZ-CHROOT ERROR" "$MSG1"
- fi
- exit 9
- # Instead of failing, we could unmount instead...
- # echo Unmounting...
- # closechroot $MNTPT
- else
- echo $MTDIMGFILE already mounted on $MNTPT... >/dev/stderr
- exit 1
- fi
-fi
-
-if [ ! -f "$MNTPT/var/lock/qmount-complete" ] ; then
- echo "Mounting..." >/dev/stderr
- if [ "$IMGFILE" != "none" ] ; then
-
- if [ -f "$IMGFILE" ] ; then
- LOOP=loop,
- echo "using image file: $IMGFILE" >/dev/stderr
- if [ "x$IMGFS" = x ] ; then
- IMGFS=`echo $IMGFILE | awk -F '.' '{print $NF}'`
- echo "fs type is $IMGFS" >/dev/stderr
- fi
- else
- LOOP=
- echo "using device: $IMGFILE" >/dev/stderr
- PARTINFO="`blkid -s TYPE $IMGFILE`"
- if [ "x$IMGFS" = x ] ; then
- IMGFS=`echo $PARTINFO | awk '{print $NF}' | awk -F '=' '{print $NF}' | sed s/\"//g`
- fi
- fi
-
- if [ -d "/mnt/initfs/lib/modules/`uname -r`" ] ; then
- MODULEPATH="/mnt/initfs/lib/modules/`uname -r`"
- else
- MODULEPATH=/mnt/initfs/lib/modules/2.6.21-omap1
- fi
- insmod "$MODULEPATH/mbcache.ko" 2>/dev/null
-
- if [ "$IMGFS" != "ext3" ] && [ "$IMGFS" != "ext2" ] ; then
- echo "Don't know $IMGFS: Using ext2 file system" >/dev/stderr
- IMGFS=ext2
- fi
-
- echo "Using $IMGFS file system" >/dev/stderr
- if [ "$IMGFS" = ext3 ] ; then
- insmod "$MODULEPATH/jbd.ko" 2>/dev/null
- fi
-
- insmod "$MODULEPATH/$IMGFS.ko" 2>/dev/null
-
- if [ "$LOOP" = "loop," ] ; then
- echo "mounting $IMGFILE on the turbo-loop ;)" >/dev/stderr
- insmod /lib/modules/2.6.21-omap1/dm-mod.ko 2>/dev/null
- insmod /lib/modules/2.6.21-omap1/dm-loop.ko 2>/dev/null
- NEXTLOOP=`ls -l /dev/dm-* 2>/dev/null | tail -1 | awk '{print $NF}' | awk -F '-' '{print $NF+1}'`
- if [ "x$NEXTLOOP" = "x" ] ; then
- NEXTLOOP=0
- fi
- DMLOMSG=`dmlosetup loop$NEXTLOOP "$IMGFILE" 2>&1`
- MNTMSG=`mount -t "$IMGFS" /dev/dm-$NEXTLOOP "$MNTPT" -o noatime 2>&1`
- if [ "$?" != 0 ] ; then
- MSG1=`printf "Mount failure!\n\n$IMGFILE failed to mount on loop$NEXTLOOP\n\n$DMLOMSG\n$MNTMSG"`
- if [ ! -f "/usr/bin/gxmessage" ] ; then
- echo $MSG1 >/dev/stderr
- else
- gxmessage -center -alignbuttons center -buttons GTK_STOCK_OK:0 -geometry 680x250 -title "EZ-CHROOT ERROR" "$MSG1"
- fi
- exit 2
- fi
- echo ...$IMGFILE mounted on loop$NEXTLOOP >/dev/stderr
- else
- echo "mounting device: $IMGFILE" >/dev/stderr
- if ! mount -t "$IMGFS" "$IMGFILE" "$MNTPT" -o ${LOOP}noatime ; then
- MSG1=`printf "Mount failure!\n\n$IMGFILE failed to mount on $MNTPT"`
- if [ ! -f "/usr/bin/gxmessage" ] ; then
- echo $MSG1 >/dev/stderr
- else
- gxmessage -center -alignbuttons center -buttons GTK_STOCK_OK:0 -geometry 680x250 -title "EZ-CHROOT ERROR" "$MSG1"
- fi
- exit 3
- fi
-
- fi
-
- else
- echo "Not mounting any filesystem, chroot is $MNTPT" >/dev/stderr
- fi
-
-#All set up. Set flag for next time...
-
- if [ ! -d "$MNTPT/var/lock" ] ; then
- mkdir -p "$MNTPT/var/lock"
- fi
-
- # Place any commands you wish to run the first time you mount
- # into the $MNTPT/var/run/onmount.rc file
-
- if [ -f "$MNTPT/var/run/onmount.rc" ] ; then
- . "$MNTPT/var/run/onmount.rc"
- fi
-
- echo $IMGFILE > "$MNTPT/var/lock/qmount-complete"
- exit 0
-
-fi
-
-exit 1
\ No newline at end of file
projects / easy-deb-chroot / blobdiff