svn log -c $rev http://llvm.org/svn/llvm-project/$proj/trunk >> $tempfile 2>&1
cd $proj.src
+echo "# Updating tree"
+svn up
echo "# Merging r$rev into $proj"
svn merge -c $rev https://llvm.org/svn/llvm-project/$proj/trunk . || exit 1
echo "# Committing changes"