scripts/ci/ci_check_git_branch.sh

#!/bin/bash
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
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function is_in_remote() {
    local branch=${1}
    local existed_in_remote=$(git ls-remote --heads origin ${branch})

    if [[ -z ${existed_in_remote} ]]; then
        return 1
    else
        return 0
    fi
}

if ! is_in_remote "$1"; then
  echo "Branch [$1] doesn't exist."
  exit 0
else
  echo "Branch [$1] already exists!"
  echo "Please make sure your branch doesn't exist."
  exit 1
fi