add mkinitcpio version marker in buildroot creation

It doesn't make any sense that this was added during the final image
creation. This fixes a subtle bug that would manifest itself if the
user archived the build root manually.

Signed-off-by: Dave Reisner <dreisner@archlinux.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/functions b/functions
index 532884f..e54f4bf 100644
--- a/functions
+++ b/functions
@@ -648,6 +648,9 @@ initialize_buildroot() {
             ;;
     esac
 
+    # mkinitcpio version stamp
+    printf '%s' "$version" >"$workdir/root/VERSION"
+
     # kernel module dir
     install -dm755 "$workdir/root/usr/lib/modules/$kernver/kernel"