diff options
| -rw-r--r-- | hooks/archiso | 41 |
1 files changed, 26 insertions, 15 deletions
diff --git a/hooks/archiso b/hooks/archiso index 70b06c3..fc19d89 100644 --- a/hooks/archiso +++ b/hooks/archiso @@ -1,3 +1,26 @@ +# args: source, mountpoint +_mnt_bind() +{ + msg "::: Binding ${1} to ${2}" + mkdir -p /real_root${2} + /bin/mount -o bind ${addon_dir}/${1} /real_root${2} +} + +# args: image file +_mnt_squashfs() +{ + msg "::: Adding new union branch: ${1}" + mkdir -p "/tmpfs/mnt/loop${LOOP_NUM}" + if ! /bin/losetup "/dev/loop${LOOP_NUM}" ${addon_dir}/${1} > /dev/null 2>&1; then + echo "ERROR: Cannot mount loop device /dev/loop${LOOP_NUM}" + echo " Couldn't mount all addons" + break + fi + /bin/mount -r -t squashfs "/dev/loop${LOOP_NUM}" "/tmpfs/mnt/loop${LOOP_NUM}" + /bin/mount -t unionfs -o remount,add=:/tmpfs/mnt/loop${LOOP_NUM}=ro none "/real_root" + export LOOP_NUM=$(( $LOOP_NUM + 1 )) +} + run_hook () { if [ "x${ramdisk_size}" = "x" ]; then @@ -33,8 +56,7 @@ run_hook () /bin/modprobe -q unionfs >/dev/null 2>&1 /bin/mount -t unionfs -o dirs=/tmpfs=rw none /real_root - # TODO: some of this could be broken into functions - LOOP_NUM="1" + export LOOP_NUM="1" addon_dir="${BOOT_MOUNT}/addons" if [ -e "${addon_dir}/config" ]; then msg ":: Mounting addons" @@ -43,20 +65,9 @@ run_hook () [ "${img#'#'}" != "${img}" ] && continue if [ "${type}" = "bind" ]; then - msg " Binding ${img} to ${mountpoint}" - mkdir -p /real_root${mountpoint} - /bin/mount -o bind ${addon_dir}/$img /real_root${mountpoint} + _mnt_bind ${img} ${mountpoint} elif [ "${type}" = "squashfs" ]; then - msg " Adding new union branch: ${img}" - mkdir -p "/tmpfs/mnt/loop${LOOP_NUM}" - if ! /bin/losetup "/dev/loop${LOOP_NUM}" ${addon_dir}/$img > /dev/null 2>&1; then - echo "ERROR: Cannot mount loop device /dev/loop${LOOP_NUM}" - echo " Couldn't mount all addons" - break - fi - /bin/mount -r -t squashfs "/dev/loop${LOOP_NUM}" "/tmpfs/mnt/loop${LOOP_NUM}" - /bin/mount -t unionfs -o remount,add=:/tmpfs/mnt/loop${LOOP_NUM}=ro none "/real_root" - LOOP_NUM=$(( $LOOP_NUM + 1 )) + _mnt_squashfs ${img} fi done < ${addon_dir}/config fi |