create-release-from-tag.yml

name: Create release from tag
on:
  push:
    tags:
    - v[0-9]*
env:
  CARGO_TERM_COLOR: always
jobs:

  prepare:
    name: Prepare for release
    runs-on: ubuntu-latest
    outputs:
      mapiproxy_version: ${{ steps.version_number.outputs.mapiproxy_version }}
    steps:
      - uses: actions/checkout@v4

      - uses: dtolnay/rust-toolchain@stable

      - name: Build x helper
        run: cargo build --example x

      - name: Determine version number
        id: version_number
        run: cargo run --example x -- version mapiproxy_version= >>"$GITHUB_OUTPUT"

      - name: Verify tag name against version number
        run: cargo run --example x -- checktag ${{ github.ref_name }}

      - name: Generate release notes
        run: cargo run --example x -- relnotes >relnotes.md

      - name: Store release notes
        uses: actions/upload-artifact@v4
        with:
          name: relnotes
          path: relnotes.md
          if-no-files-found: error


  build:
    # note the ./. it's essential
    uses: ./.github/workflows/create-binaries.yml


  release:
    name: Create release
    permissions:
      contents: write
    runs-on: ubuntu-latest
    needs: [prepare, build]
    steps:
      - name: Check out the code
        uses: actions/checkout@v4

      - name: Download artifacts
        uses: actions/download-artifact@v4
        with:
          merge-multiple: true

      - run: |
          ls -R

      - name: Create release
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          test -n "${{ github.ref_name }}"
          gh release create ${{ github.ref_name }} \
            --title 'mapiproxy ${{ needs.prepare.outputs.mapiproxy_version }}' \
            --notes-file relnotes.md \
            mapiproxy*.tar.gz mapiproxy*.zip