X-Git-Url: https://git.grml.org/?p=grml-debootstrap.git;a=blobdiff_plain;f=chroot-script;h=bbd834f6b819b8d17a3502b269e54daf89f0c70c;hp=5654b12b26cb3bc9f9939e2cf07c300aa315c835;hb=c62dadf69387a747f3bb5f4e02ca1f62a9114382;hpb=c852c935af341e15b5174247e9c6cd23a3c2fc2f

diff --git a/chroot-script b/chroot-script
index 5654b12..bbd834f 100755
--- 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:
@@ -411,15 +419,14 @@ services() {
 }
 # }}}
 
-# unmount all filesystems in chroot, make sure nothing is left {{{
+# unmount /proc and make sure nothing is left {{{
 finalize() {
   # make sure we don't leave any sensible data
   rm -f /etc/debootstrap/variables
+
   [ -n "$POLICYRCD" ] && rm -f /usr/sbin/policy-rc.d
-  umount -a    1>/dev/null 2>/dev/null || true
-  umount /proc 1>/dev/null 2>/dev/null || true
-  umount /proc 1>/dev/null 2>/dev/null || true
-  umount -a    1>/dev/null 2>/dev/null || true
+
+  umount /proc >/dev/null 2>/dev/null || true
 }
 # }}}