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authorAaron Griffin <aaronmgriffin@gmail.com>2008-12-23 00:51:20 -0600
committerAaron Griffin <aaronmgriffin@gmail.com>2008-12-23 00:51:20 -0600
commitf1c46e0d3f8bda4cf3e00ba0492579dc3312fd62 (patch)
tree87c3614b31278b06c230d6417322024a95ace236 /archiso/hooks
parent978fdafbffc000a5802c9505ae6ec1565b96871d (diff)
downloadarchiso32-f1c46e0d3f8bda4cf3e00ba0492579dc3312fd62.tar.xz
Cleanup archiso hook
Fix squashfs mounting of all isomounts images, along with a few other changes Signed-off-by: Aaron Griffin <aaronmgriffin@gmail.com>
Diffstat (limited to 'archiso/hooks')
-rw-r--r--archiso/hooks/archiso78
1 files changed, 39 insertions, 39 deletions
diff --git a/archiso/hooks/archiso b/archiso/hooks/archiso
index 46ed43f..fdbd514 100644
--- a/archiso/hooks/archiso
+++ b/archiso/hooks/archiso
@@ -6,17 +6,27 @@ _mnt_bind()
/bin/mount -o bind ${1} /real_root${2}
}
-# args: image file
+# args: /path/to/image_file
_mnt_squashfs()
{
- msg "::: Adding new union branch: ${1}"
/bin/modprobe -q loop >/dev/null 2>&1
+
+ img="${1}"
+ base_img="${img##*/}";
+
+ if [ "${copytoram}" = "y" ]; then
+ msg ":: Copying squashfs image to RAM"
+ /bin/cat ${img} > "/tmpfs/${base_img}"
+ img="/tmpfs/${base_img}"
+ fi
+
+ msg "::: Adding new union branch: ${base_img%.*}"
mkdir -p "/tmpfs/mnt/loop${LOOP_NUM}"
# sometimes it takes udev a while to create device nodes
- until [ -e "/dev/loop${LOOP_NUM}" ]; do
+ while [ ! -e "/dev/loop${LOOP_NUM}" ]; do
sleep 1
done
- if ! /bin/losetup "/dev/loop${LOOP_NUM}" ${1}; then
+ if ! /bin/losetup "/dev/loop${LOOP_NUM}" ${img}; then
echo "ERROR: Cannot mount loop device /dev/loop${LOOP_NUM}"
break
fi
@@ -46,14 +56,13 @@ run_hook ()
msg ":: Scanning for boot device..."
/bin/mkdir -p /bootmnt
- bootmnt="/bootmnt"
found=0
/bin/modprobe -q isofs >/dev/null 2>&1
msg ":: Scanning cd drives..."
for cdrom in /dev/hd[a-z] /dev/sr[0-9]* /dev/scd[a-z] /dev/sg[0-9]*; do
- if mount -r -t iso9660 "${cdrom}" ${bootmnt} >/dev/null 2>&1; then
- if [ -e "${bootmnt}/isomounts" ]; then
+ if mount -r -t iso9660 "${cdrom}" /bootmnt >/dev/null 2>&1; then
+ if [ -e "/bootmnt/isomounts" ]; then
found=1
msg "${cdrom}"
break
@@ -61,15 +70,15 @@ run_hook ()
else
echo "Failed to mount ${cdrom}"
fi
- [ ${found} -eq 0 ] && umount ${bootmnt} >/dev/null 2>&1
+ [ ${found} -eq 0 ] && umount /bootmnt >/dev/null 2>&1
done
if [ ${found} -eq 0 ]; then
msg ":: Scanning usb drives..."
for usb in /dev/sd[a-z][0-9]; do
- if mount -r -t vfat "${usb}" ${bootmnt} >/dev/null 2>&1 ||\
- mount -r -t ext2 "${usb}" ${bootmnt} >/dev/null 2>&1; then
- if [ -e "${bootmnt}/isomounts" ]; then
+ if mount -r -t vfat "${usb}" /bootmnt >/dev/null 2>&1 ||\
+ mount -r -t ext2 "${usb}" /bootmnt >/dev/null 2>&1; then
+ if [ -e "/bootmnt/isomounts" ]; then
found=1
msg "${usb}"
break
@@ -77,7 +86,7 @@ run_hook ()
else
echo "Failed to mount ${usb}"
fi
- [ ${found} -eq 0 ] && umount ${bootmnt} >/dev/null 2>&1
+ [ ${found} -eq 0 ] && umount /bootmnt >/dev/null 2>&1
done
fi
@@ -88,40 +97,31 @@ run_hook ()
exit 1
fi
- base_img="${bootmnt}/root-image.sqfs"
- if [ "${copytoram}" = "y" ]; then
- msg ":: Copying squashfs image to RAM"
- /bin/cat ${base_img} > /tmpfs/root-image.sqfs
- base_img="/tmpfs/root-image.sqfs"
- fi
-
/bin/modprobe -q squashfs >/dev/null 2>&1
+ /bin/modprobe -q unionfs >/dev/null 2>&1
msg ":: Mounting root (union) filesystem"
- /bin/modprobe -q unionfs >/dev/null 2>&1
/bin/mount -t unionfs -o dirs=/tmpfs=rw none /real_root
export LOOP_NUM="0"
- if [ -e "/isomounts" ]; then
- msg ":: Mounting images"
- while read img imgarch mountpoint type; do
- # check if this line is a comment (starts with #)
- [ "${img#"#"}" != "${img}" ] && continue
-
- [ "$imgarch" != "$arch" ] && continue
-
- if [ "${type}" = "bind" ]; then
- _mnt_bind ${img} ${mountpoint}
- elif [ "${type}" = "squashfs" ]; then
- _mnt_squashfs "${img}"
- fi
- done < /isomounts
- else
- msg ":: No mountable images found"
- fi
+ msg ":: Mounting images"
+ while read img imgarch mountpoint type; do
+ # check if this line is a comment (starts with #)
+ [ "${img#"#"}" != "${img}" ] && continue
+
+ [ "$imgarch" != "$arch" ] && continue
+
+ [ ! -f "/bootmnt/${img}" ] && continue
+
+ if [ "${type}" = "bind" ]; then
+ _mnt_bind "/bootmnt/${img}" ${mountpoint}
+ elif [ "${type}" = "squashfs" ]; then
+ _mnt_squashfs "/bootmnt/${img}"
+ fi
+ done < "/bootmnt/isomounts"
- # layer the "pristine" base system image last
- _mnt_squashfs ${base_img}
+ # Bind our bootmnt dir into the live system
+ _mnt_bind /bootmnt bootmnt
if [ -d /proc/sys/dev/cdrom ]; then
echo 0 > /proc/sys/dev/cdrom/lock