create_version_bump_PR.yml

name: Create version bump PR

on:
  workflow_dispatch:
    inputs:
      version:
        description: 'Next Version Number (x.y.zzz).'
        required: true
      tracer_version:
        description: 'Next Version Number (x.y.z). To be used for a tracer version bump.'
        required: false
      update_agent:
        description: 'Update the agent as well'
        type: boolean
        required: false
        default: false
  repository_dispatch:
    types: [dd-trace-dotnet-release]

jobs:
  bump_version:
    runs-on: ubuntu-latest
    env:
      GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"

    steps:

      - name: "Set Variables"
        id: "set_variables"
        run: |
          if [[ ! -z "${{ github.event.inputs.version }}" ]]; then
            echo "::set-output name=version::${{ github.event.inputs.version }}"
            echo "::set-output name=tracer_version::${{ github.event.inputs.tracer_version }}"
          elif [[ ! -z "${{ github.event.client_payload.version }}" ]]; then
            TRACERVERSION=${{ github.event.client_payload.version }}
            echo "Version received from dd-trace-dotnet: $TRACERVERSION"
            TRACERVERSION=${TRACERVERSION:1}
            echo "Version received once normalized: $TRACERVERSION"
            echo "::set-output name=version::${TRACERVERSION}00"
            echo "::set-output name=tracer_version::$TRACERVERSION"
          else
            echo "Error. Versions weren't provided in input."
            exit 1
          fi

      - name: Checkout
        uses: actions/checkout@v2

      - name: "Get last agent release"
        id: last_release
        uses: pozetroninc/github-action-get-latest-release@master
        with:
          owner: DataDog
          repo: datadog-agent
          excludes: prerelease, draft

      - name: "Modify build-packages"
        id: "versions"
        run: |
          versionRegex="[0-9]*.[0-9]*.[0-9]*"
          splitVersionRegex="([0-9]+).([0-9]+).([0-9]+)"

          CURRENTVERSION="$(grep -o -e RELEASE_VERSION\=\"$versionRegex dotnet/build-packages.sh | sed 's/RELEASE_VERSION="//')"
          echo Current version is: $CURRENTVERSION

          VERSION=${{ steps.set_variables.outputs.version }}
          echo Bumping extension version to $VERSION

          sed -i -e "s/RELEASE_VERSION=\"$CURRENTVERSION\"/RELEASE_VERSION=\"$VERSION\"/g" dotnet/build-packages.sh
          echo Replaced release version in file.

          PR_BODY="Bumps the release version to $VERSION"

          TRACER_VERSION=${{steps.set_variables.outputs.tracer_version}}
          if [ -n "$TRACER_VERSION" ]; then
            CURRENT_TRACER_VERSION="$(grep -o -e dd-trace-dotnet/releases/download/v$versionRegex dotnet/build-packages.sh | sed 's#dd-trace-dotnet/releases/download/v##')"
            echo Current tracer version is: $CURRENT_TRACER_VERSION
            echo Bumping tracer version to $TRACER_VERSION
            sed -i -e "s#dd-trace-dotnet/releases/download/v$CURRENT_TRACER_VERSION#dd-trace-dotnet/releases/download/v$TRACER_VERSION#" dotnet/build-packages.sh
            echo Replaced release version in file.
            PR_BODY="$PR_BODY, updates the tracer version to: $TRACER_VERSION "
          fi

          if [ "${{ github.event.inputs.update_agent }}" == "true" ]; then
            CURRENT_AGENT_VERSION="$(grep -o -e agent-binaries-$versionRegex  dotnet/build-packages.sh | sed 's/agent-binaries-//')"
            AGENT_VERSION=${{ steps.last_release.outputs.release }}

            echo Current agent version is: $CURRENT_AGENT_VERSION
            echo "Latest Agent version: $AGENT_VERSION"

            major=0
            minor=0
            build=0
            agent_major=0
            agent_minor=0
            agent_build=0

            if [[ $CURRENT_AGENT_VERSION =~ $splitVersionRegex ]]; then
              major="${BASH_REMATCH[1]}"
              minor="${BASH_REMATCH[2]}"
              build="${BASH_REMATCH[3]}"
            fi

            if [[ $AGENT_VERSION =~ $splitVersionRegex ]]; then
              agent_major="${BASH_REMATCH[1]}"
              agent_minor="${BASH_REMATCH[2]}"
              agent_build="${BASH_REMATCH[3]}"
            fi

            if [[ $agent_major > $major ]]; then
              newAgentAvailable=1
            elif [[ $agent_minor > $minor ]]; then
              newAgentAvailable=1
            elif [[ $agent_build > $build ]]; then
              newAgentAvailable=1
            fi

            if [[ "$newAgentAvailable" == "1" ]]; then
              echo Updating agent version
              sed -i -e "s/agent-binaries-$CURRENT_AGENT_VERSION/agent-binaries-$AGENT_VERSION/" dotnet/build-packages.sh
              sed -i -e "s/agent-binaries-$CURRENT_AGENT_VERSION/agent-binaries-$AGENT_VERSION/" dotnet/build-packages-dev.sh
              echo Replaced agent version in file.
              PR_BODY="$PR_BODY, and updates the agent version to: $AGENT_VERSION"
            fi
          fi

          PR_BODY="$PR_BODY."
          echo "::set-output name=version::$VERSION"
          echo "::set-output name=tracer_version::$TRACER_VERSION"
          echo "::set-output name=pr_body::$PR_BODY"

      - 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.version}}"
          commit-message: "[.Net Version Bump] Bump to v${{steps.versions.outputs.version}}"
          delete-branch: true
          title: "[.Net Version Bump] Bump to v${{steps.versions.outputs.version}}"
          body: "${{steps.versions.outputs.pr_body}}"

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