# Auto-PR canonical wrapper updates to consumer repos when wrappers/ changes on
# main. Maintenance automation (not artifact publishing), so it is allowed on a
# main push under the D7 trigger standard. Requires WRAPPER_SYNC_TOKEN: a bot
# user's token with content+PR write to the consumer repos (never committed).
name: sync-wrappers

on:
  push:
    branches: [main]
    paths:
      - 'wrappers/crucible.sh'
      - 'wrappers/crucible.ps1'

jobs:
  sync:
    runs-on: nix-docker
    steps:
      - uses: actions/checkout@v4

      - name: Open sync PRs to consumers
        env:
          TOKEN: ${{ secrets.WRAPPER_SYNC_TOKEN }}
          SERVER: ${{ github.server_url }}
          SRC_SHA: ${{ github.sha }}
        run: |
          nix develop --command bash -c '
            set -euo pipefail
            host="$(echo "$SERVER" | sed -E "s#https?://##")"
            branch="chore/sync-wrappers-$(echo "$SRC_SHA" | cut -c1-12)"
            grep -vE "^\s*#|^\s*$" wrappers/consumers.txt | while read -r target; do
              echo "== syncing $target =="
              work="$(mktemp -d)"
              git clone "https://oauth2:${TOKEN}@${host}/${target}.git" "$work"
              cp wrappers/crucible.sh wrappers/crucible.ps1 "$work"/
              ( cd "$work"
                git config user.name  "crucible-sync-bot"
                git config user.email "bot@westgate.pw"
                if git diff --quiet; then echo "no changes for $target"; exit 0; fi
                git checkout -b "$branch"
                git add crucible.sh crucible.ps1
                git commit -m "chore: sync crucible wrappers from sow-tools@${SRC_SHA}"
                git push -f origin "$branch"
                curl -fsS -X POST \
                  -H "Authorization: token ${TOKEN}" -H "Content-Type: application/json" \
                  "${SERVER}/api/v1/repos/${target}/pulls" \
                  -d "{\"head\":\"${branch}\",\"base\":\"main\",\"title\":\"chore: sync crucible wrappers from sow-tools\"}" || true
              )
              rm -rf "$work"
            done
          '