upgrade.yml

name: Upgrade Deno runtime and std versions

on:
  schedule:
    - cron: '0 0 * * *'

jobs:
  determine-upgrade:
    runs-on: ubuntu-latest

    outputs:
      supported-deno-version: ${{steps.sanitise-version-numbers.outputs.supported-deno}}
      supported-std-version: ${{steps.sanitise-version-numbers.outputs.supported-std}}
      latest-deno-version: ${{steps.sanitise-version-numbers.outputs.latest-deno}}
      latest-std-version: ${{steps.sanitise-version-numbers.outputs.latest-std}}
      upgrade-required: ${{steps.sanitise-version-numbers.outputs.latest-deno > steps.sanitise-version-numbers.outputs.supported-deno || steps.sanitise-version-numbers.outputs.latest-std > steps.sanitise-version-numbers.outputs.supported-std}}

    steps:
    - uses: actions/checkout@v2

    - name: Get supported Deno runtime version number
      id: supported-deno-version
      uses: sergeysova/jq-action@v2
      with:
        cmd: jq -r .deno deno_versions.json

    - name: Get supported std version number
      id: supported-std-version
      uses: sergeysova/jq-action@v2
      with:
        cmd: jq -r .std deno_versions.json

    - name: Get latest Deno runtime release
      id: latest-deno-version
      uses: pozetroninc/github-action-get-latest-release@v0.5.0
      with:
        owner: denoland
        repo: deno
        excludes: prerelease, draft

    - name: Get latest std release
      id: latest-std-version
      uses: pozetroninc/github-action-get-latest-release@v0.5.0
      with:
        owner: denoland
        repo: deno_std
        excludes: prerelease, draft

    # The tag formats between denoland/deno and
    # denoland/deno_std are inconsistent, so this step
    # strips any 'v' prefixes that may be present
    - name: Sanitise version numbers
      id: sanitise-version-numbers
      run: |
        echo "::set-output name=supported-deno::${{steps.supported-deno-version.outputs.value}}"
        echo "::set-output name=supported-std::${{steps.supported-std-version.outputs.value}}"
        echo "::set-output name=latest-deno::$(echo ${{steps.latest-deno-version.outputs.release}} | sed s/v//)"
        echo "::set-output name=latest-std::$(echo ${{steps.latest-std-version.outputs.release}} | sed s/v//)"

  upgrade:
    runs-on: ubuntu-latest
    needs: determine-upgrade
    if: ${{needs.determine-upgrade.outputs.upgrade-required == 'true'}}

    steps:
    - uses: actions/checkout@v2
      with:
        token: ${{secrets.UPGRADE_TOKEN}}

    - name: Bump deno_versions.json
      uses: sergeysova/jq-action@v2
      with:
        cmd: |
          echo "$(jq -r ".deno = \"${{needs.determine-upgrade.outputs.latest-deno-version}}\" | .std = \"${{needs.determine-upgrade.outputs.latest-std-version}}\"" deno_versions.json)" > deno_versions.json

    - name: Upgrade std version
      uses: jacobtomlinson/gha-find-replace@v2
      with:
        find: "https://deno.land/std@${{needs.determine-upgrade.outputs.supported-std-version}}"
        replace: "https://deno.land/std@${{needs.determine-upgrade.outputs.latest-std-version}}"
        regex: false

    # There's probably a way to achieve the next two steps with
    # one jq execution, but I can't figure it out right now.
    - name: Calculate Reno version
      id: calculate-reno-version
      uses: sergeysova/jq-action@v2
      with:
        cmd: jq -r '.version | capture("(?<major>[0-9]*)\\.(?<minor>[0-9]*)\\.(?<patch>[0-9]*)") | to_entries | map(if .key == "patch" then .value | tonumber + 1  else .value end) | join(".")' version.json

    - name: Bump Reno version
      id: bump-reno-version
      uses: sergeysova/jq-action@v2
      with:
        cmd: |
          echo "$(jq -r ".version = \"${{steps.calculate-reno-version.outputs.value}}\"" version.json)" > version.json

    - name: Generate README
      run: |
        curl -fsSL https://deno.land/x/install/install.sh | sh -s v${{needs.determine-upgrade.outputs.latest-deno-version}}
        make generate-readme

    - name: Create pull request
      id: create-pull-request
      uses: peter-evans/create-pull-request@v3
      with:
        token: ${{secrets.UPGRADE_TOKEN}}
        branch: upgrade/v${{steps.calculate-reno-version.outputs.value}}
        delete-branch: true
        base: master
        committer: Reno Buildbot <${{secrets.BUILDBOT_EMAIL}}>
        commit-message: '[Reno Buildbot] Upgrades Deno to ${{needs.determine-upgrade.outputs.latest-deno-version}} and std to ${{needs.determine-upgrade.outputs.latest-std-version}}'
        title: '[Reno Buildbot] Upgrades Deno to ${{needs.determine-upgrade.outputs.latest-deno-version}} and std to ${{needs.determine-upgrade.outputs.latest-std-version}}'
        body: This is an automated pull request.