release-drafter.yml

name: Release Drafter

on:
  push:
    # branches to consider in the event; optional, defaults to all
    branches:
      - master

jobs:
  update_release_draft:
    runs-on: ubuntu-latest
    steps:
      - name: Generate CalVer version
        id: calver
        shell: python
        run: |
          import json
          import urllib.request
          from datetime import date

          dat = date.today().strftime("%Y%m%d")
          req_rel = urllib.request.Request(
              "https://api.github.com/repos/bimmerconnected/ha_custom_component/releases/latest",
              headers={"Accept": "application/vnd.github+json"}
          )
          with urllib.request.urlopen(req_rel) as f:
              rel = json.loads(f.read())

          major, minor = rel["tag_name"].split(".")

          if major == dat:
              minor = int(minor) + 1
          else:
              major = dat
              minor = 1

          version = f"{major}.{minor}"
          print(f"::set-output name=version::{version}")
          print(f"Version set to {version}")


          req_com = urllib.request.Request(
              f"https://api.github.com/repos/bimmerconnected/ha_custom_component/commits?since={rel['created_at']}",
              headers={"Accept": "application/vnd.github+json"}
          )
          with urllib.request.urlopen(req_com) as f:
              com = json.loads(f.read())

          changes = "%0A".join(["* {} ({})".format(next(iter(c["commit"]["message"].split("\n"))), c["sha"]) for c in com[:-1]])
          print(f"::set-output name=changes::{changes}")
          print(f"Changes set to:\n{changes}")
      # Drafts your next Release notes as Pull Requests are merged into "master"
      - uses: release-drafter/release-drafter@v5.20.0
        with:
          tag: ${{ steps.calver.outputs.version }}
          name: ${{ steps.calver.outputs.version }}
          version: ${{ steps.calver.outputs.version }}
          footer: ${{ steps.calver.outputs.changes }}
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}