message: build: fix assumed aliases in rebase-pr script
  The local rebase-pr script assumes the existence of specific git
  aliases.  Instead this script should rely on the full written out
  command instead.
  PR Close
diff: @@ -29,9 +29,9 @@ echo Rebasing $USER_GIT_URL branch $BRANCH onto $REBASE_ON
  echo =====================================================
  git fetch $USER_GIT_URL $BRANCH
  -git co FETCH_HEAD
  +git checkout FETCH_HEAD
  PUSH_CMD="git push $USER_GIT_URL HEAD:$BRANCH -f";
  -RESTORE_CMD="git co $OLD_BRANCH"
  +RESTORE_CMD="git checkout $OLD_BRANCH"
  git rebase upstream/master
  if [ $? -eq 0 ]; then
  $PUSH_CMD
  