release.yml

on:
  push:
    # Only on tags:
    tags: '*.*.*'

name: release

jobs:
  publish:
    name: Publishes to crates.io

    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@master

      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: stable
          target: wasm32-wasi
          override: true

      - uses: actions-rs/cargo@v1

      - name: Check that the tag matches the crate version.
        run: |
          cargo update
          C_VER="$(cargo pkgid | cut -d'#' -f2)"
          T_VER=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')

          if [[ "${C_VER}" != "${T_VER}" ]]; then
            echo "Crate version doesn't match the tag version! (`${C_VER}` vs `${T_VER}`)"
            exit 2
          fi

      - name: Check that this version has a changelog entry and the right root_url
        id: ver
        run: |
          T_VER=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
          echo "::set-output name=version::${T_VER}"
          echo "::set-output name=tag::$(echo "${T_VER}" | sed -e 's/\.//g')"

          grep -q "# ${T_VER}" CHANGELOG.md || exit 3

          # We want to have the exact version of this crate in the root URL so
          # that newer releases don't cause users of older versions of this
          # crate to have their links go to the wrong place.
          #
          # i.e. if we were to use docs.rs/crate-name/* as `html_root_url` and
          # had a 0.1.0 release and a 0.2.0 release, users of the 0.1.0 release
          # would have their links to types in our crate be prefixed with
          # `docs.rs/crate-name/*` which will send them to the 0.2.0 docs.
          grep -q "html_root_url = \"https://docs.rs/.*/${T_VER}\"" src/lib.rs || exit 4

      - name: Publish
        run: |
          cargo publish --token ${{ secrets.CARGO_TOKEN }}

      - name: Create Release
        uses: actions/create-release@latest
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          tag_name: ${{ github.ref }}
          release_name: v${{ steps.ver.outputs.version }}
          body: |
            Check the [changelog](https://github.com/rrbutani/xterm-js-sys/blob/${{ steps.ver.outputs.version }}/CHANGELOG.md#${{ steps.ver.outputs.tag }}).
          draft: false
          prerelease: false