name: History Rewrite Dry-Run

on:
  workflow_run:
    workflows: ["Docker Build, Publish & Test"]
    types: [completed]
  schedule:
    - cron: '0 2 * * *' # daily at 02:00 UTC
  workflow_dispatch:

concurrency:
  group: ${{ github.workflow }}-${{ github.event_name }}-${{ github.event.workflow_run.head_branch || github.head_ref || github.ref_name }}
  cancel-in-progress: true

permissions:
  contents: read

jobs:
  preview-history:
    name: Dry-run preview for history rewrite
    runs-on: ubuntu-latest
    if: ${{ github.event_name != 'workflow_run' || github.event.workflow_run.conclusion == 'success' }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
        with:
          fetch-depth: 0
          ref: ${{ github.event.workflow_run.head_sha || github.sha }}

      - name: Debug git info
        run: |
          git --version
          git rev-parse --is-shallow-repository || true
          git status --porcelain

      - name: Make CI script executable
        run: chmod +x scripts/ci/dry_run_history_rewrite.sh

      - name: Run dry-run history check
        run: |
          scripts/ci/dry_run_history_rewrite.sh --paths 'backend/codeql-db,codeql-db,codeql-db-js,codeql-db-go' --strip-size 50