Support config variable RM_APTCACHE.

[grml-debootstrap.git] / chroot-script

diff --git a/chroot-script b/chroot-script
index 5654b12..f20faf0 100755 (executable)
--- a/chroot-script
+++ b/chroot-script
@@ -131,7 +131,12 @@ EOF
 
 # remove now useless apt cache {{{
 remove_apt_cache() {
-  apt-get clean
+  if [ "$RM_APTCACHE" = 'yes' ] ; then
+    echo "Cleaning apt cache."
+    apt-get clean
+  else
+    echo "Not cleaning apt cache as \$RM_APTCACHE is unset."
+  fi
 }
 # }}}
 
@@ -380,8 +385,11 @@ grub_config() {
      # finally install grub
      if [ -x /usr/sbin/update-grub ] ; then
         UPDATEGRUB='/usr/sbin/update-grub'
-     else
+     elif [ -x /sbin/update-grub ] ; then
         UPDATEGRUB='/sbin/update-grub'
+     else
+       echo "Error: update-grub not available, can not execute it."
+       return 1
      fi
 
      # grub2: