release workflow stub #1
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| name: tag and release | |
| on: push | |
| env: | |
| check_only: true | |
| commits: ${{ github.event.commits }} | |
| jobs: | |
| tag-release: | |
| runs-on: self-hosted | |
| defaults: | |
| run: | |
| shell: bash | |
| steps: | |
| - name: identify execution context | |
| id: context | |
| run: | | |
| # search for key words in commit messages | |
| echo "${commits}" | jq '.[].message' > messages.txt | |
| if [[ $( grep -i '\[major\]' messages.txt ) ]]; then | |
| type=major | |
| elif [[ $( grep -i '\[minor\]' messages.txt ) ]]; then | |
| type=minor | |
| else | |
| type=patch | |
| fi | |
| echo "type=${type:-patch}" >> $GITHUB_OUTPUT | |
| - name: checkout | |
| uses: actions/checkout@v4 | |
| - name: fetch current tag | |
| id: oldver | |
| run: | | |
| echo '>>>> searching current release tag' | |
| elem_pattern='\.(0|[0-9]+)' | |
| # by default, find the latest released tag without a suffix | |
| pattern='^v'${elem_pattern:2}${elem_pattern}${elem_pattern}'$' | |
| # list tags in the remote | |
| git ls-remote --tags --refs --sort=-v:refname origin refs/tags/v[0-9]* | sed 's/.*\///' > tags.txt | |
| # get the appropriate tag and fetch it | |
| echo ">>>> searching last tag matching '${pattern}'" | |
| last_tag=$( grep -m 1 -E "${pattern}" tags.txt ) | |
| git fetch --no-tags origin "+refs/tags/${last_tag}:refs/tags/${last_tag}" &>/dev/null | |
| echo ">>>> identified current version: ${last_tag}" | |
| echo "tag=${last_tag:-v0.0.0}" >> $GITHUB_OUTPUT | |
| - name: calculate new tag | |
| id: newver | |
| run: | | |
| # split the latest tag into major/minor/patch values | |
| last_tag='${{ steps.oldver.outputs.tag }}' | |
| IFS='.' read -r v_major v_minor v_patch <<< "${last_tag:1}" | |
| type='${{ steps.context.outputs.type }}' | |
| case ${type} in | |
| major) | |
| v_major=$((v_major+1)) | |
| v_minor=0 | |
| v_patch=0 | |
| ;; | |
| minor) | |
| v_minor=$((v_minor+1)) | |
| v_patch=0 | |
| ;; | |
| *) | |
| v_patch=$((v_patch+1)) | |
| ;; | |
| esac | |
| new_tag="v${v_major}.${v_minor}.${v_patch}" | |
| echo ">>>> new version calculated: ${new_tag}" | |
| echo "tag=${new_tag}" >> $GITHUB_OUTPUT | |
| - name: push tag | |
| if: ${{ ! env.check_only }} | |
| run: | | |
| new_tag='${{ steps.newver.outputs.tag }}' | |
| git tag -f ${new_tag} ${{ github.sha }} | |
| git push -f origin ${new_tag} | |
| - name: publish release | |
| if: ${{ ! env.check_only }} | |
| uses: actions/github-script@v7 | |
| with: | |
| result-encoding: string | |
| script: | | |
| const oldTag = '${{ steps.oldver.outputs.tag }}'; | |
| const newTag = '${{ steps.newver.outputs.tag }}'; | |
| // generate release notes | |
| const { data: notes } = await github.rest.repos.generateReleaseNotes({ | |
| ...context.repo, | |
| tag_name: newTag, | |
| target_commitish: context.sha, | |
| previous_tag_name: oldTag | |
| }); | |
| // build request body | |
| const request = { | |
| ...context.repo, | |
| tag_name: newTag, | |
| name: newTag, | |
| target_commitish: context.sha, | |
| body: notes.body | |
| }; | |
| console.debug('>>>> creating a new release'); | |
| await github.rest.repos.createRelease(request); |