latest.yml

name: Update dynamic files

# When pushing to the master branch
on:
  push:
    branches:
      - master

# Cancel running actions if new commits are added
concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

# parameters
env:
  TAG: latest
  SHIELDS: shields.json

permissions:
  contents: write # need to update tag and release

# Workflow in ubuntu
jobs:
  update:
    runs-on: ubuntu-latest
    steps:
      - name: Get the repository files
        uses: actions/checkout@v4

      - name: Create ${{ env.SHIELDS }} file
        run: |
          cat <<EOF | tee ${{ env.SHIELDS }}
          {
            "version": "v$(sed -ne "s/ *versionName \+['\"]\([^'\"]*\)['\"]/\1/p" app/build.gradle)"
          }
          EOF

      - name: Update ${{ env.TAG }} tag to current commit
        # equivalent to EndBug/latest-tag@latest but simpler
        run: |
          git tag --force ${{ env.TAG }}
          git push --force origin tag ${{ env.TAG }}

      - name: Upload ${{ env.SHIELDS }} to ${{ env.TAG }} release
        # equivalent to softprops/action-gh-release@v1 but using official cli
        run: |
          gh release upload ${{ env.TAG }} ${{ env.SHIELDS }} --clobber
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}