diff options
| author | Gerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar> | 2010-11-30 22:16:19 -0300 |
|---|---|---|
| committer | Gerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar> | 2010-12-07 23:48:24 -0300 |
| commit | 06a8c66eaec5d1bace2ddefc2220c172d81eb2ff (patch) | |
| tree | 99b5d3cf83a9c5ed6dd441d9078652e14336009e /archiso | |
| parent | cd73f7dfb1f741d7be90a14c11b69de4965263b2 (diff) | |
[archiso] Add support to mount iso in loopback mode.
Add two parameters:
img_dev=/dev/sdNM
where /dev/sdNM is the device where .iso is located.
img_loop=/path/to/arch.iso
where /path/to/arch.iso is the full path of the .iso in the device img_dev.
Original idea from Baurzhan Muftakhidinov.
Signed-off-by: Gerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar>
Diffstat (limited to 'archiso')
| -rw-r--r-- | archiso/Makefile | 2 | ||||
| -rw-r--r-- | archiso/hooks/archiso_loop_mnt | 33 | ||||
| -rw-r--r-- | archiso/install/archiso_loop_mnt | 18 |
3 files changed, 53 insertions, 0 deletions
diff --git a/archiso/Makefile b/archiso/Makefile index 688eb1b..93d68af 100644 --- a/archiso/Makefile +++ b/archiso/Makefile @@ -10,6 +10,8 @@ install: all install -D -m 644 install/archiso $(DESTDIR)/lib/initcpio/install/archiso install -D -m 644 hooks/archiso_pxe_nbd $(DESTDIR)/lib/initcpio/hooks/archiso_pxe_nbd install -D -m 644 install/archiso_pxe_nbd $(DESTDIR)/lib/initcpio/install/archiso_pxe_nbd + install -D -m 644 hooks/archiso_loop_mnt $(DESTDIR)/lib/initcpio/hooks/archiso_loop_mnt + install -D -m 644 install/archiso_loop_mnt $(DESTDIR)/lib/initcpio/install/archiso_loop_mnt # install docs and examples install -d -m 755 $(DESTDIR)/usr/share/archiso/ cp -r ../configs $(DESTDIR)/usr/share/archiso/configs diff --git a/archiso/hooks/archiso_loop_mnt b/archiso/hooks/archiso_loop_mnt new file mode 100644 index 0000000..0d5eba7 --- /dev/null +++ b/archiso/hooks/archiso_loop_mnt @@ -0,0 +1,33 @@ +# vim: set ft=sh: + +run_hook () { + if [ -n "${img_dev}" ] && [ -n "${img_loop}" ]; then + mount_handler="archiso_loop_mount_handler" + fi +} + +archiso_loop_mount_handler () { + newroot="${1}" + + while [ ! -b "${img_dev}" ]; do + sleep 1 + done + + msg "::: Setup a loop device from ${img_loop} located at device ${img_dev}" + FSTYPE=$(blkid -o value -s TYPE -p ${img_dev} 2> /dev/null) + if [ -n "${FSTYPE}" ]; then + if mount -r -t "${FSTYPE}" ${img_dev} /img_dev > /dev/null 2>&1; then + _dev_loop=$(losetup -f) + losetup ${_dev_loop} /img_dev/${img_loop} + fi + fi + + archiso_mount_handler ${newroot} + + if [ "${copytoram}" = "y" ]; then + msg "::: Deataching loop device ${_dev_loop}" + losetup -d ${_dev_loop} + msg "::: Unmounting ${img_dev}" + umount ${img_dev} + fi +} diff --git a/archiso/install/archiso_loop_mnt b/archiso/install/archiso_loop_mnt new file mode 100644 index 0000000..c0d21a6 --- /dev/null +++ b/archiso/install/archiso_loop_mnt @@ -0,0 +1,18 @@ +# vim: set ft=sh: + +install () +{ + MODULES="" + + BINARIES="" + FILES="" + add_dir /img_dev + SCRIPT="archiso_loop_mnt" +} + +help () +{ +cat<<HELPEOF + This hook loads the necessary modules for boot via loop device. +HELPEOF +} |