Add script to update the wrap subtree

update_wrap.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+REF=${1-master} # branch or tag; defaults to 'master' if parameter 1 not present
+REMOTE=wrap # just a name to identify the remote
+[email protected]:borglab/wrap.git # replace this with your repository URL
+FOLDER=wrap # where to mount the subtree
+
+git remote add $REMOTE --no-tags $REPO
+if [[ -d $FOLDER ]]; then # update the existing subtree
+    git subtree pull $REMOTE $REF --prefix=$FOLDER --squash -m "Merging '$REF' into '$FOLDER'"
+else # add the subtree
+    git subtree add  $REMOTE $REF --prefix=$FOLDER --squash -m "Merging '$REF' into '$FOLDER'"
+fi
+git remote remove $REMOTE