pr_checks.yaml

name: PR Checks

on:
  pull_request:
    types:
      - opened
      - edited
      - reopened
      - synchronize

jobs:
  correctness_check:
    runs-on: ubuntu-latest

    steps:
      - name: checkout
        uses: actions/checkout@v2
        with:
          fetch-depth: 0

      - name: install helm
        run: |
          curl -O https://raw.githubusercontent.com/helm/helm/master/scripts/get-helm-3
          bash get-helm-3 

      - name: lint changed charts
        shell: "/usr/bin/python3 {0}"
        run: |
          from subprocess import run
          from sys import exit
          from os.path import isdir
          from re import compile
          regex = compile("^(.*?/.*?)/.*$")
          changelist = run(["git", "diff", "--name-only", "HEAD~1"],capture_output=True)
          changelist = [r for r in changelist.stdout.decode("utf-8").strip().split('\n') if r.startswith('stable/')]
          changeset = set()
          for item in changelist:
            match = regex.match(item)
            if len(match.groups()) > 0:
              changeset.add(match.group(1))
          changelist = list(changeset) # convert set to list
          changelist = [c for c in changelist if isdir(c)] # make sure the chart dir exists
          if len(changelist) > 0:
            lint_cmd = ["helm","lint"]
            lint_cmd.extend(changelist)
            print(lint_cmd)
            res = run(lint_cmd)
            exit(res.returncode)