ISO/archiso/install/archiso_shutdown
Gerardo Exequiel Pozzi 59ad1113d9 [archiso] Add archiso_shutdown hook.
STATUS: Working (std boot, loop_mnt, pxe) with copytoram=[y|n].

NEEDS: initscript > 2011.07.3, mkinitcpio > 0.7.2, mkinitcpio-busybox > 1.18.5-1

Purpose: we need this for propertly unmount $cow_device,
used for persistent dm-snapshot devices.

This hook is based on work from Tom Gundersen[#1],
but adapted for archiso things (specially the shutdown script)

[#1] http://mailman.archlinux.org/pipermail/arch-projects/2011-July/001549.html
[#2] http://projects.archlinux.org/initscripts.git/commit/?id=1fa7b4b453e96533ae1db3630031285e5fc302b3
[#3] http://mailman.archlinux.org/pipermail/arch-projects/2011-August/001749.html

Signed-off-by: Gerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar>
2011-10-23 21:24:18 -03:00

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build() {
SCRIPT="archiso_shutdown"
add_binary /lib/initcpio/archiso_shutdown /shutdown
}
help () {
cat <<HELPEOF
This hook will create a shutdown initramfs in /run/initramfs
that we can pivot to on shutdown in order to unmount / and
and others mount points, dm-snapshot devices and loopback devices.
Mostly usefull for dm-snapshot persistent.
HELPEOF
}