Add update-initramfs.sh.in so we don't need to rebuild initramfs for

[libguestfs.git] / update-initramfs.sh.in

diff --git a/update-initramfs.sh.in b/update-initramfs.sh.in
new file mode 100755 (executable)
index 0000000..89f629c
--- /dev/null
+++ b/update-initramfs.sh.in
@@ -0,0 +1,35 @@
+#!/bin/bash -
+# @configure_input@
+# Copyright (C) 2009 Red Hat Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+# Update the daemon inside an existing initramfs.  Avoids the
+# timeconsuming rebuild.
+
+set -e
+
+output=initramfs.@REPO@.@host_cpu@.img
+
+# Copy the daemon into the filesystem.
+cp @abs_builddir@/daemon/guestfsd initramfs/sbin/guestfsd.new
+@FEBOOTSTRAP_RUN@ initramfs -- \
+  install -m 0755 -o root -g root /sbin/guestfsd.new /sbin/guestfsd
+rm initramfs/sbin/guestfsd.new
+
+# Generate final image.
+@FEBOOTSTRAP_TO_INITRAMFS@ initramfs > $output-t
+mv $output-t $output
+ls -lh $output