name: Hash all .txt files

on:
  push:
    branches:
      - main

jobs:
  txt_hashes:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Compute SHA-256 hashes for all .txt files
        shell: bash
        run: |
          set -euo pipefail

          # Find all .txt files, sort deterministically, hash each, and output "hash  path"
          # Then hash the manifest itself so you can compare runs easily.
          manifest="txt_sha256_manifest.txt"

          find . -type f -name '*.txt' -print0 \
            | LC_ALL=C sort -z \
            | xargs -0 sha256sum \
            | sed 's|^\([0-9a-f]\+\)  \./|\1  |' \
            > "${manifest}"

          echo "---- Manifest (${manifest}) ----"
          cat "${manifest}"

          echo "---- Manifest SHA-256 ----"
          sha256sum "${manifest}"

      # Optional: keep the manifest as a downloadable artifact (if your Gitea Actions setup supports artifacts)
      # - name: Upload manifest artifact
      #   uses: actions/upload-artifact@v4
      #   with:
      #     name: txt-sha256-manifest
      #     path: txt_sha256_manifest.txt