ci-release.yml

name: ci-release

on:
  push:
    branches:
      - main

  workflow_dispatch:

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  release:
    runs-on: ubuntu-latest

    defaults:
      run:
        shell: bash -l {0}

    env:
      GVD_VERSION_FNAME: "version.txt"

    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: "calculate release version"
        run: |
          git pull
          if [ -f "${GVD_VERSION_FNAME}" ]
          then
            GVD_VERSION=$(cat ${GVD_VERSION_FNAME})
            GVD_DATE=$(echo ${GVD_VERSION} | cut -d. -f1-2)
            GVD_SERIAL=$(echo ${GVD_VERSION} | cut -d. -f3)
            NOW_DATE=$(date +%Y.%m)
            NOW_SERIAL=0
            if [ "${GVD_DATE}" == "${NOW_DATE}" ]
            then
              NOW_SERIAL=$(expr ${GVD_SERIAL} + 1)
            fi
            GVD_VERSION="${NOW_DATE}.${NOW_SERIAL}"
          else
            GVD_VERSION="$(date +%Y.%m).0"
            echo "GVD_BOOTSTRAP=1" >> ${GITHUB_ENV}
          fi
          echo "GVD_VERSION=${GVD_VERSION}" >> ${GITHUB_ENV}

      - name: "store release version"
        run: |
          echo ${{ env.GVD_VERSION }} > ${GVD_VERSION_FNAME}
          if [ -n "${GVD_BOOTSTRAP}" ]
          then
            git add ${GVD_VERSION_FNAME}
          fi
          git config user.name "GitHub Actions"
          git config user.email "actions@users.noreply.github.com"
          git commit -am "Automated release for version \"${GVD_VERSION}\""
          git push

      - name: "perform release"
        uses: softprops/action-gh-release@1e07f4398721186383de40550babbdf2b84acfc5
        with:
          tag_name: ${{ env.GVD_VERSION }}