version.yml

name: Version Check
on:
  pull_request:
    types:
      - opened
      - synchronize

jobs:
  check:
    name: check if version is bumped
    runs-on: ubuntu-latest
    env:
      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
    steps:
      - uses: actions/checkout@v2
      - uses: actions/setup-python@v2
        with:
          python-version: '3.x'

      - name: Verify version is bumped or not
        id: version_check
        env:
          tags_url: ${{ toJson(github.event.pull_request.base.repo.tags_url) }}
        run: |
          import json
          import os
          from distutils.version import StrictVersion
          from urllib import request

          file_name = "plugin.json"
          repo_name = os.environ["GITHUB_REPOSITORY"]
          res = request.urlopen("https://api.github.com/repos/{}/tags".format(repo_name))
          data = res.read().decode("utf-8")
          tags = json.loads(data)
          latest_release_version = StrictVersion(tags[0]["name"].replace('v', ''))

          with open(file_name, 'r') as f:
              data = json.load(f)
              current_version = StrictVersion(data["version"])

          print("::set-output name=is_version_bumped::{0}".format(current_version > latest_release_version))
        shell: python

      - uses: christianvuerings/add-labels@v1
        if: steps.version_check.outputs.is_version_bumped == 'True'
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          labels: |
            ReleaseCandidate