auto_create_version_bump_pr.yml

name: Auto version bump on release completed

on:
  release:
    types: [published]

jobs:
  bump_version:
    # If this is a hotfix release, _don't_ do a version bump
    # If this is a 1.x release, do the version bump in the release/1.x branch
    # If this is a 2.x release, do the version bump in the release/2.x branch
    # If this is a 3.x.0 release, do the version bump on master
    
    if: endsWith(github.event.release.tag_name, '.0') || endsWith(github.event.release.tag_name, '.0-prerelease')
    runs-on: windows-latest
    env:
      GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"

    steps:
      - name: Support longpaths
        run: git config --system core.longpaths true

      - name: "Select branch"
        id: select_branch
        run: |
          if( "${{ github.event.release.tag_name}}".StartsWith("v1.")) {
            echo "::set-output name=ref::release/1.x"
          # TODO: Uncomment the following once we cut the release/2.x branch and merge v3
          # } elseif("${{ github.event.release.tag_name}}".StartsWith("v2.")) {
            # echo "::set-output name=ref::release/2.x"
          } else {
            echo "::set-output name=ref::master"
          }

      - name: Checkout
        uses: actions/checkout@v2
        with:
          ref: ${{ steps.select_branch.outputs.ref }}

      - name: "Configure Git Credentials"
        run: |
          git config user.name "${{ github.actor }}"
          git config user.email "${{ github.actor }}@users.noreply.github.com"

      - uses: actions/setup-dotnet@v1
        with:
          dotnet-version: '8.0.100'

      - name: "Update Changelog"
        run: .\tracer\build.ps1 UpdateChangeLog
        env:
          RELEASE_NOTES: ${{ github.event.release.body }}

      - name: "CalculateNextVersion"
        run: .\tracer\build.ps1 CalculateNextVersion
        id: versions

      - name: "Bump Version"
        run: .\tracer\build.ps1 UpdateVersion
        env:
          NewVersion: ${{ steps.versions.outputs.version }}
          NewIsPrerelease: ${{ steps.versions.outputs.isprerelease }}

      - name: "Verify Changes"
        id: changes
        run: .\tracer\build.ps1 VerifyChangedFilesFromVersionBump

      - name: Create Pull Request
        id: pr
        uses: peter-evans/create-pull-request@v3.10.0
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          branch: "version-bump-${{steps.versions.outputs.full_version}}"
          commit-message: "[Version Bump] ${{steps.versions.outputs.full_version}}"
          delete-branch: true
          title: "[Version Bump] ${{steps.versions.outputs.full_version}}"
          reviewers: "DataDog/apm-dotnet"
          body: "${{steps.changes.outputs.release_notes}}"

      - name: "Close previous milestone"
        run: .\tracer\build.ps1 CloseMilestone
        env:
          Version: ${{steps.versions.outputs.previous_version}}

      - name: Display output
        run: |
          echo "Pull Request Number - ${{ steps.pr.outputs.pull-request-number }}"
          echo "Pull Request URL - ${{ steps.pr.outputs.pull-request-url }}"