name: Release

on:
  push:
    tags:
      # This syntax is globs, not regex, so it's matching any tag that
      # contains the prefix "mosh-" and the 3 version elements.
      - "mosh-*.*.*"

jobs:
  release:
    runs-on: ${{ matrix.os }}

    strategy:
      matrix:
        os: [ubuntu-20.04]

    steps:
    - uses: actions/checkout@v2


    - name: "ensure version bumped"
      run: |
        expected_tag=$(echo ${{ github.ref }} | cut -d'/' -f3)
        have_tag=$(sed -n 's/AC_INIT(\[[^]]*\], \[\([^]]*\)\].*/\1/p' <configure.ac)
        echo "Expected tag <$expected_tag>, got <$have_tag>"
        [[ "$expected_tag" != "$have_tag" ]] && exit 1

    - name: "setup linux build environment"
      if: ${{ startsWith(matrix.os, 'ubuntu') }}
      run: sudo apt install -y protobuf-compiler libprotobuf-dev libutempter-dev autoconf automake nettle-dev

    - name: "setup macos build environment"
      if: ${{ startsWith(matrix.os, 'macos') }}
      run: brew install protobuf automake

    - name: "generate build scripts"
      run: ./autogen.sh

    - name: "configure"
      run: ./configure --enable-compile-warnings=error --enable-examples

    - name: "build"
      run: make V=1

    - name: "test"
      run: make V=1 distcheck -j

    - name: "Upload Release"
      # v1 aka v0.1.14 as of 2022-07-05; pinned to avoid potential code injection
      uses: softprops/action-gh-release@1e07f4398721186383de40550babbdf2b84acfc5
      with:
        # Action always creates releases in "draft" mode, and requires
        # a maintainer to publish them
        draft: True
        prerelease: contains(github.ref, 'rc')
        generate_release_notes: True
        files: |
          mosh-*.tar.gz