release.yml

# Cut a release whenever a new tag is pushed to the repo.
# You should use an annotated tag, like `git tag -a v1.2.3`
# and put the release notes into the commit message for the tag.
name: Release

on:
  push:
    tags:
      - "*.*.*"

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v2
      - uses: bazelbuild/setup-bazelisk@v1
      - name: Check git state is clean
        run: git status --porcelain
      - name: Export release version
        run: 'echo "RELEASE_VERSION=${GITHUB_REF##*/}" >> $GITHUB_ENV'
      - name: Build release archive
        env:
          # Bazelisk will download bazel to here
          XDG_CACHE_HOME: ~/.cache/bazel-repo
        run: bazel --bazelrc=.github/workflows/ci.bazelrc --bazelrc=.bazelrc build //:slamdev_rules_jq
      - name: Set versioned archive name
        run: cp bazel-bin/slamdev_rules_jq.tar.gz bazel-bin/slamdev_rules_jq-v${{ env.RELEASE_VERSION }}.tar.gz
      - name: Export checksum
        run: 'echo "RELEASE_CHECKSUM=$(shasum -b -a 256 bazel-bin/slamdev_rules_jq-v${{ env.RELEASE_VERSION }}.tar.gz | cut -d " " -f 1)" >> $GITHUB_ENV'
      - name: Upload release
        uses: softprops/action-gh-release@v1
        with:
          files: bazel-bin/slamdev_rules_jq-v${{ env.RELEASE_VERSION }}.tar.gz
          fail_on_unmatched_files: true
          body: |
            ```starlark
            http_archive(
                name = "slamdev_rules_jq",
                sha256 = "${{ env.RELEASE_CHECKSUM }}",
                url = "https://github.com/slamdev/rules_jq/releases/download/${{ env.RELEASE_VERSION }}/slamdev_rules_jq-v${{ env.RELEASE_VERSION }}.tar.gz",
            )
            ```