From 01f98d881f78d8c92065ab646572a7824f3b9ae9 Mon Sep 17 00:00:00 2001
From: Gerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar>
Date: Sun, 23 Oct 2011 21:24:18 -0300
Subject: [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>
---
 archiso/install/archiso_shutdown | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 archiso/install/archiso_shutdown

(limited to 'archiso/install')

diff --git a/archiso/install/archiso_shutdown b/archiso/install/archiso_shutdown
new file mode 100644
index 0000000..49dfc8c
--- /dev/null
+++ b/archiso/install/archiso_shutdown
@@ -0,0 +1,13 @@
+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
+}
-- 
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