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2026-05-06 15:07:54 +02:00

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#!/usr/bin/env bash
set -euo pipefail
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
FIRMWARE_SRC="$SCRIPT_DIR/firmware"
BOOT="/boot/firmware"
if [[ $EUID -ne 0 ]]; then
echo "ERROR: this script must be run as root (use sudo)" >&2
exit 1
fi
echo "=== IOT-GATE-RPI4 layer install ==="
echo "Source : $FIRMWARE_SRC"
echo "Target : $BOOT"
echo
# --- config.txt ---
echo "[1/2] Installing config.txt"
if [[ -f "$BOOT/config.txt" ]]; then
echo " Backing up $BOOT/config.txt -> $BOOT/config.bak"
cp -v "$BOOT/config.txt" "$BOOT/config.bak"
else
echo " WARNING: $BOOT/config.txt not found, skipping backup"
fi
echo " Copying $FIRMWARE_SRC/config.txt -> $BOOT/config.txt"
cp -v "$FIRMWARE_SRC/config.txt" "$BOOT/config.txt"
# --- overlays ---
echo
echo "[2/2] Installing device tree overlays"
OVERLAY_SRC="$FIRMWARE_SRC/overlays/iotg-rpi4"
OVERLAY_DST="$BOOT/overlays/iotg-rpi4"
if [[ ! -d "$OVERLAY_SRC" ]]; then
echo " ERROR: overlay source directory not found: $OVERLAY_SRC" >&2
exit 1
fi
echo " Creating $OVERLAY_DST"
mkdir -p "$OVERLAY_DST"
for f in "$OVERLAY_SRC"/*; do
echo " Copying $(basename "$f")"
cp -v "$f" "$OVERLAY_DST/"
done
echo
echo "=== Done ==="
echo "Reboot for overlay changes to take effect."