If we're about to start a Live image (i.e. if /dev/mapper/live-rw
exists) this script will take any files found in /updates (inside the
initramfs!) and and copy them into $NEWROOT.
This allows for hotfixes to be applied to existing Live images without
rebuilding the entire image.
Signed-off-by: Will Woods <wwoods@xxxxxxxxxx>
---
modules.d/90dmsquash-live/apply-live-updates.sh | 7 +++++++
modules.d/90dmsquash-live/module-setup.sh | 1 +
2 files changed, 8 insertions(+), 0 deletions(-)
create mode 100755 modules.d/90dmsquash-live/apply-live-updates.sh
diff --git a/modules.d/90dmsquash-live/apply-live-updates.sh b/modules.d/90dmsquash-live/apply-live-updates.sh
new file mode 100755
index 0000000..dfdb404
--- /dev/null
+++ b/modules.d/90dmsquash-live/apply-live-updates.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+if [ -b /dev/mapper/live-rw ]; then
+ if [ "`echo /updates/*`" != "/updates/*" ]; then
+ echo "Applying updates to live image..."
+ /bin/cp -a /updates/* $NEWROOT
+ fi
+fi
diff --git a/modules.d/90dmsquash-live/module-setup.sh b/modules.d/90dmsquash-live/module-setup.sh
index 8ed633f..684655f 100755
--- a/modules.d/90dmsquash-live/module-setup.sh
+++ b/modules.d/90dmsquash-live/module-setup.sh
@@ -34,6 +34,7 @@ install() {
inst_hook cmdline 30 "$moddir/parse-dmsquash-live.sh"
inst_hook pre-udev 30 "$moddir/dmsquash-live-genrules.sh"
inst_hook pre-udev 30 "$moddir/dmsquash-liveiso-genrules.sh"
+ inst_hook pre-pivot 20 "$moddir/apply-live-updates.sh"
inst "$moddir/dmsquash-live-root" "/sbin/dmsquash-live-root"
# should probably just be generally included
inst_rules 60-cdrom_id.rules
--
1.7.6
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