#!/usr/bin/env bash

HEADER='// SAME Analog Modular Ecosystem
//
// / SPDX-FileCopyrightText: 2026 Denis Chevalier <perso@denischevalier.fr>
// / SPDX-License-Identifier: CC-BY-SA-4.0
// / SPDX-License-Identifier: CERN-OHL-S-2.0+
// / SPDX-License-Identifier: GPL-3.0-or-later
//
// The prose, explanatory text, rendered figures, tables, and mathematical
// content of this specification are licensed under CC BY-SA 4.0. If a later
// version of CC BY-SA is published, the author grants permission to distribute
// this work under that later version as well.
//
// Hardware designs contained herein (schematics, PCB layouts, mechanical
// drawings, and CAD models) are licensed under CERN-OHL-S-2.0+.
//
// All executable code, helper libraries (`lib/*`), metrology assertions, and
// embedded verification scripts throughout the source documents are licensed
// under the GNU General Public License v3.0 or later (GPL-3.0-or-later).'

# Find newly added staged .typ files
new_files=$(git diff --cached --name-only --diff-filter=A | grep '\.typ$')

for file in $new_files; do
    if [ -f "$file" ] && ! grep -q "SPDX-FileCopyrightText" "$file"; then
        echo "Injecting SPDX header into $file..."
        tmpfile=$(mktemp)
        echo "$HEADER" > "$tmpfile"
        echo "" >> "$tmpfile"
        cat "$file" >> "$tmpfile"
        mv "$tmpfile" "$file"
        git add "$file"
    fi
done