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authorSimo Leone <simo@archlinux.org>2007-10-23 20:18:25 -0500
committerSimo Leone <simo@archlinux.org>2007-10-24 02:05:32 -0500
commit0dfc0a36ca5f90bd824ad2abbff5b987d8bed563 (patch)
treef206866fb5a975cd22f94d77c1f17fe4342fbf3e
parent63f9dc16744e431496ef5d8593b2e05673c25867 (diff)
downloadarchiso32-0dfc0a36ca5f90bd824ad2abbff5b987d8bed563.tar.xz
Functionalize addon mounting
Moved addon mounting code into functions. Signed-off-by: Simo Leone <simo@archlinux.org>
-rw-r--r--hooks/archiso41
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