changelog.yml

name: Changelog

on:
  pull_request:
    branches: [ main ]

env:
  CARGO_TERM_COLOR: always

jobs:
  check-for-updates:
    name: Has been updated in this branch

    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0
      - name: Check file diff
        run: |
          set -euo pipefail

          if !(git diff origin/main data/changelog.md | sed '6!d' | grep -Eq '^* **(Bug|Enhancement|New):**'); then
            echo '
          Please add a brief description of your change to the top of data/changelog.md.
          See existing changes for formatting; accepted tags are "Bug", "Enhancement"
          (minor change to an existing feature), and "New" (completely new feature).
          Contributors are also encouraged to tag changelog entries with their GitHub
          @username.

          Changelog data will be shown on the landing page, in response to the
          `changelog` command, and broadcast to Discord upon release.

          This reminder can be ignored for changes with no user-facing impact, such as
          dependency updates and refactors. Or not! It'"'"'s up to you, really.' >&2

            exit 1
          fi

      - name: Generate release announcement preview
        run: |
          set -euo pipefail

          changes="$(git diff origin/main data/changelog.md | awk '/^+[^+]/{ sub(/^[+ ]+/, ""); sub(/^\* /, "\n- "); printf "%s ", $0 }')"$'\n\n'"$(git diff --shortstat origin/main)"
          echo "There's a new release on initiative.sh! Please allow ~5 minutes for the release to appear on production.$changes"