mkinitcpio: preserve permissions if run as root

Running as non-root is usually for my own dev purposes, but someone
might do this and be surprised when a directory/file that needs
permissions other than root isn't preserved.

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

1 files changed, 5 insertions, 1 deletions

diff --git a/mkinitcpio b/mkinitcpio
index 2d8c579..8139ee0 100755
--- a/mkinitcpio
+++ b/mkinitcpio
@@ -203,8 +203,12 @@ build_image() {
             ;;
     esac
 
-    cpio_opts=('-R' '0:0' '-0' '-o' '-H' 'newc')
+    cpio_opts=('-0' '-o' '-H' 'newc')
     (( _optquiet )) && cpio_opts+=('--quiet')
+    if (( EUID != 0 )); then
+        warning 'Not building as root, ownership cannot be preserved'
+        cpio_opts+=('-R' '0:0')
+    fi
 
     # write version stamp
     printf '%s' "$version" > "$BUILDROOT/VERSION"