version.yml

name: Calculate release version (reusable workflow)

on:
  workflow_call:
    inputs:
      preferred:
        description: "preferred release version"
        required: false
        type: string
      suffix:
        description: "version suffix (defaults to branch name)"
        required: false
        type: string
    outputs:
      release_version:
        description: "The computed release version"
        value: ${{ jobs.compute.outputs.result }}

jobs:
  compute:
    name: Compute
    runs-on: ubuntu-latest
    outputs:
      result: ${{ steps.release_version.outputs.release_version }}
    steps:
      - name: Calculate release version
        id: release_version
        run: |
          if [ "${{ inputs.preferred }}" == "" ]; then
            echo "Using computed value"
            SUFFIX=${{ inputs.suffix }}
            BRANCH=$(echo ${{ github.ref }} | sed -e 's/refs\/heads\///' -e 's/\//-/g')
            if [ "${SUFFIX}" == "" ]; then
               SUFFIX="-${BRANCH}"
            fi
            echo "SUFFIX=${SUFFIX}" >> $GITHUB_ENV
            echo "release_version=1.0.$(date +'%g%m%d%H%M')${SUFFIX}" >> $GITHUB_OUTPUT
          else
            echo "Using provided input"
            echo "release_version=${{ inputs.preferred }}" >> $GITHUB_OUTPUT
          fi