jira-links.yml

---
name: Handle release

on:
  release:
    types: [published]

jobs:
  update_jira_links:
    name: Update Jira links
    if: ${{ github.event_name == 'release' }}
    runs-on: ubuntu-latest
    env:
      GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      GH_REPO: ${{ github.repository }}
    steps:
      - name: Get release content
        run: gh release view ${{github.ref_name}} --json body --jq '.body' > releaseBody.txt

      - name: Add Jira links
        shell: python
        run: |
          import re

          #  RegEx explained
          # (?<!\/) Negative lookbehind of / to avoid grabbing URLs
          # ((?:RHELC?|HMS)-\d+) Get HMS, RHEL or RHELC keys, add to a group
          # \b Word boundary to indicate this should be the end of the match
          # (?!\]\() Negative lookahead of ]( to prevent Jira keys in markdown links
          regex=re.compile(r"(?<!\/)((?:RHELC?|HMS)-\d+)\b(?!\]\()", re.MULTILINE)
          with open("releaseBody.txt", 'r+') as f:
            data = f.read()
            f.seek(0)
            # RegEx explained
            # Replace the grabbed Jira key with a Markdown link [key](i.r.c/browse/key)
            # [\g<0>] Add the Jira key group 0, equivalent of \1
            # (https://issues.redhat.com/browse/\g<0>) Add the Jira key group 0, equivalent of \1, to end of URL
            body = regex.sub(r"[\g<0>](https://issues.redhat.com/browse/\g<0>)", data)
            f.write(body)
            f.truncate()

      - name: Update release body with Jira links
        run: gh release edit ${{github.ref_name}} --notes-file releaseBody.txt