Check /etc/live/boot.conf exist before trying copy

Last commit (b98d289f42) wasn't tested properly.
If /etc/live/boot.conf didn't existed initramfs generating would fail,
now we test if it exist. We don't need to test if /etc/live/boot exist,
as it is created by live-boot.postinst.

diff --git a/backend/initramfs-tools/live.hook b/backend/initramfs-tools/live.hook
index 8337a64..8b763b2 100755 (executable)
--- a/backend/initramfs-tools/live.hook
+++ b/backend/initramfs-tools/live.hook
@@ -34,7 +34,11 @@ mkdir -p "${DESTDIR}/lib/live"
 cp -a /lib/live/boot "${DESTDIR}/lib/live"
 
 mkdir -p "${DESTDIR}/etc/live"
-cp -a /etc/live/boot.conf /etc/live/boot "${DESTDIR}/etc/live"
+if [ -e /etc/live/boot.conf ]
+then
+       cp -a /etc/live/boot.conf "${DESTDIR}/etc/live"
+fi
+cp -a /etc/live/boot "${DESTDIR}/etc/live"
 
 # klibc dependencies
 for FILE in /lib/libacl* /lib/libblkid* /lib/libuuid* /lib/libdevmapper* /lib/libattr*