uploading to Internet Archive from GitHub Actions

IA upload step.yaml

      - name: Upload to Internet Archive
        working-directory: nspawn-loop
        env:
          IA_ACCESS_KEY: ${{ secrets.IA_ACCESS_KEY }}
          IA_SECRET_KEY: ${{ secrets.IA_SECRET_KEY }}
        run: |
          set -euo pipefail
          pipx install internetarchive
          export PATH="$PATH:$HOME/.local/bin"

          # Configure IA credentials using S3 keys
          mkdir -p ~/.config
          printf "[s3]\naccess = %s\nsecret = %s\n" "$IA_ACCESS_KEY" "$IA_SECRET_KEY" > ~/.config/ia.ini
          chmod 600 ~/.config/ia.ini

          # Construct a stable identifier for "updating" (no dots allowed)
          # Format: iiab-raspios-edition (e.g., iiab-raspios-contentready)
          ID="iiab-raspios-$(echo "${{ matrix.edition }}" | tr '[:upper:]' '[:lower:]' | tr '.' '-' | tr '_' '-')"

          echo "Calculating hashes for $IMG_NAME..."
          IMG_SIZE=$(stat -c%s "$IMG_NAME")
          IMG_SHA256=$(sha256sum "$IMG_NAME" | awk '{print $1}')
          rm -f "$IMG_NAME"
          XZ_SIZE=$(stat -c%s "$IMG_NAME.xz")
          XZ_MD5=$(md5sum "$IMG_NAME.xz" | awk '{print $1}')

          echo "Deleting previous versions of $ID"
          ia delete "$ID" --all -H "x-archive-keep-old-version:0" || true

          echo "Uploading $IMG_NAME.xz to Internet Archive as item: $ID"
          ia upload "$ID" "$IMG_NAME.xz" \
            --no-derive --verify --retries 3 --sleep 300 \
            --metadata="mediatype:software" \
            --metadata="collection:internetinabox" \
            --metadata="title:Internet in a Box Raspberry Pi Image - ${{ matrix.edition }} (Latest)" \
            --metadata="language:eng" \
            --metadata="description:Internet in a Box $IIAB_BASE_VERSION Raspberry Pi Build<BR>Edition: ${{ matrix.edition }}<BR>Filename: $IMG_NAME<BR>Workflow: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}" \
            --metadata="creator:Internet in a Box" \
            --metadata="subject:rpi" \
            --metadata="subject:iiab" \
            --metadata="subject:${{ matrix.edition }}" \
            --metadata="licenseurl:http://creativecommons.org/licenses/by-sa/4.0/" \
            --metadata="img_sha256:$IMG_SHA256" \
            --metadata="img_size:$IMG_SIZE" \
            --metadata="xz_size:$XZ_SIZE" \
            --metadata="xz_md5:$XZ_MD5"