release.yml

name: Release Actions

on:
  workflow_dispatch:
    inputs:
      bump:
        description: "Bump"
        required: true
        default: 'patch'
        type: choice
        options:
          - major
          - minor
          - patch

defaults:
  run:
    # Setting an explicit bash shell ensures GitHub Actions enables pipefail mode too,
    # ratherthan only error on exit (improving failure UX when pipes are used). See:
    # https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsshell
    shell: bash

env:
  CARGO_TERM_COLOR: always

jobs:
  prepare:
    name: Release
    runs-on: pub-hk-ubuntu-22.04-small
    steps:
      - name: Get token for GH application (Linguist)
        uses: heroku/use-app-token-action@main
        id: generate-token
        with:
          app_id: ${{ vars.LINGUIST_GH_APP_ID }}
          private_key: ${{ secrets.LINGUIST_GH_PRIVATE_KEY }}

      - name: Checkout
        uses: actions/checkout@v4
        with:
          # Using the GH application token here will configure the local git config for this repo with credentials
          # that can be used to make signed commits that are attributed to the GH application user
          token: ${{ steps.generate-token.outputs.app_token }}

      # This will ensure commits made from this workflow are attributed to the GH application user
      - name: Configure git
        run: |
          git config --global user.name ${{ vars.LINGUIST_GH_APP_USERNAME }}
          git config --global user.email ${{ vars.LINGUIST_GH_APP_EMAIL }}

      - name: Update Rust toolchain
        run: rustup update

      - name: Rust cache
        uses: Swatinem/rust-cache@v2.7.3

      - name: Install cargo-bump
        run: cargo install cargo-bump

      - name: Get previous release version
        id: previous-version
        run: echo "value=$(gh release view --json tagName --jq '.tagName' | sed 's/^v//')" >> $GITHUB_OUTPUT
        env:
          GH_TOKEN: ${{ steps.generate-token.outputs.app_token }}

      - name: Bump version
        run: |
          cargo bump ${{ steps.previous-version.outputs.value }}
          cargo bump ${{ inputs.bump }}

      - name: Build
        run: cargo build --release

      - name: Get release metadata
        id: metadata
        run: |
          echo "name=$(cargo metadata --format-version=1 --no-deps | jq --exit-status -r '.packages[-1].targets[-1].name')" >> $GITHUB_OUTPUT
          echo "version=$(cargo metadata --format-version=1 --no-deps | jq --exit-status -r '.packages[-1].version')" >> $GITHUB_OUTPUT

      - name: Package binary
        id: package-binary
        run: |
          ASSET_PATH=${{ runner.temp }}/${{ steps.metadata.outputs.name }}.tar.gz
          tar -czf "${ASSET_PATH}" -C ./target/release ${{ steps.metadata.outputs.name }}
          echo "path=${ASSET_PATH}" >> $GITHUB_OUTPUT

      - name: Update actions/install-languages-cli/action.yml
        run: |
          yq -i '
            .inputs.download_url.default = "https://github.com/${{ github.repository }}/releases/download/v${{ steps.metadata.outputs.version }}/${{ steps.metadata.outputs.name }}.tar.gz"
          ' .github/actions/install-languages-cli/action.yml

      - name: Update workflows/_buildpacks-prepare-release.yml
        run: |
          yq -i '
            (.jobs[].steps[] |
              select(.uses == "${{ github.repository }}/.github/actions/install-languages-cli@main") |
              .uses
            ) = "${{ github.repository }}/.github/actions/install-languages-cli@v${{ steps.metadata.outputs.version }}"
          ' .github/workflows/_buildpacks-prepare-release.yml

      - name: Update workflows/_buildpacks-release.yml
        run: |
          yq -i '
            (.jobs[].steps[] |
              select(.uses == "${{ github.repository }}/.github/actions/install-languages-cli@main") |
              .uses
            ) = "${{ github.repository }}/.github/actions/install-languages-cli@v${{ steps.metadata.outputs.version }}"
          ' .github/workflows/_buildpacks-release.yml

      - name: Create a release tag with required changes
        id: release-tag
        run: |
          git add .
          git commit -m "Release v${{ steps.metadata.outputs.version }}"
          git tag v${{ steps.metadata.outputs.version }}
          git push origin refs/tags/v${{ steps.metadata.outputs.version }}
          git tag -f latest
          git push -f origin refs/tags/latest
          echo "sha=$(git rev-list -n 1 v${{ steps.metadata.outputs.version }})" >> $GITHUB_OUTPUT

      - name: Create release
        uses: softprops/action-gh-release@v2.0.5
        env:
          GITHUB_TOKEN: ${{ steps.generate-token.outputs.app_token }}
        with:
          target_commitish: ${{ steps.release-tag.outputs.sha }}
          tag_name: v${{ steps.metadata.outputs.version }}
          files: ${{ steps.package-binary.outputs.path }}
          fail_on_unmatched_files: true
          body: "Full Changelog: https://github.com/${{ github.repository }}/compare/v${{ steps.previous-version.outputs.value }}..v${{ steps.metadata.outputs.version }}"