1 files changed, 25 insertions, 0 deletions
diff --git a/system/virtualbox-ose-addons/doinst.sh b/system/virtualbox-ose-addons/doinst.sh
new file mode 100644
index 0000000000..6b419160bc
--- /dev/null
+++ b/system/virtualbox-ose-addons/doinst.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+config() {
+  NEW="$1"
+  OLD="$(dirname $NEW)/$(basename $NEW .new)"
+  # If there's no config file by that name, mv it over:
+  if [ ! -r $OLD ]; then
+    mv $NEW $OLD
+  elif [ "$(cat $OLD | md5sum)" = "$(cat $NEW | md5sum)" ]; then
+    # toss the redundant copy
+    rm $NEW
+  fi
+  # Otherwise, we leave the .new copy for the admin to consider...
+}
+
+# Prepare the new configuration files
+for file in etc/rc.d/rc.vboxadd.new etc/rc.d/rc.vboxvfs.new etc/rc.d/rc.vboxadd-timesync.new; do
+  if [ -e $(dirname $file)/$(basename $file .new) -a -x $(dirname $file)/$(basename $file .new) ]; then
+    chmod 0755 $file
+  else
+    chmod 0644 $file
+  fi
+  config $file
+done
+