increase-version.yml

name: increase version
# this workflow update version file

# TRIGGERED BY
# - push-master-ci.yml
# - push-rc-ci.yml

# VERSION is made of 3 fragments: version.feature.bug (e.g. 1.7.8)
# a push on release-candidate increase bug fragment  (e.g. 1.7.8 -> 1.7.9)
# a push on master increase feature fragment (e.g. 1.7.8 -> 1.8.0)



on:
  workflow_call:
    secrets:
      token:
        description: 'Token to commit file on protected branches'
        required: true
    outputs:
      new-sha:
        description: "git sha of new commit"
        value: ${{ jobs.increase-version-number.outputs.new-sha }}

defaults:
  run:
    shell: bash

env:
  ext-dir: $GITHUB_WORKSPACE/external/install/

jobs:
  increase-version-number:
    runs-on: ubuntu-latest
    outputs:
      new-sha: ${{ steps.commit.outputs.commit_long_sha }}
    steps:
      - uses: actions/checkout@v2
        with:
          token: ${{ secrets.token }}
      - name: Read VERSION file
        id: read
        uses: juliangruber/read-file-action@v1
        with:
          path: ./VERSION
      - name: Trim version string and set fragment name according to branch name
        id: set
        run: |
          # this echo remove \n from steps.read.outputs.content
          echo "version=${{ steps.read.outputs.content }}" >> $GITHUB_OUTPUT
          [[ "${{ github.ref_name }}" == "master" ]] && echo "fragment=feature" >> $GITHUB_OUTPUT || echo "fragment=bug" >> $GITHUB_OUTPUT
      - name: Increase version
        id: increment
        uses: christian-draeger/increment-semantic-version@1.0.2
        with:
          current-version: "${{ steps.set.outputs.version }}"
          version-fragment: "${{ steps.set.outputs.fragment }}"
      - name: Store new version in VERSION file
        run: |
          echo ${{ steps.increment.outputs.next-version }} > VERSION
      - name: Commit new VERSION file
        uses: EndBug/add-and-commit@v8
        id: commit
        with:
          add: 'VERSION'
          default_author: github_actions
          message: 'Update version to ${{ steps.increment.outputs.next-version }} [skip ci]'