daily-tag.yml

# Copyright 2023 Google LLC
#
# Licensed 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
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name: |
  Create daily release tags

on:
  workflow_dispatch:
  schedule:
    - cron: "0 2 * * *"

permissions:
  contents: write

jobs:
  daily-tag:
    name: "Create tag on master if there was activity in last 24 hours"
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: "Check changes and tag"
        run: |
          CHANGES=$(git log --since="1 day ago" --name-only --pretty=format: )

          if [ "x$CHANGES" != "x" ] ; then
            TAG="daily-$(date +%Y.%m.%d)"
            git tag $TAG
            git push origin $TAG

            echo "Created new tag: $TAG"
          else
            echo "No changes in last 24 hours"
          fi