setup_amity

#!/bin/bash

set -xe

NAME=amity
ROOT_DIR=~
APP_DIR=$ROOT_DIR/$NAME

FIRMWARE_PATH=/boot/firmware

strstr() { case $2 in *$1* ) return 0;; *) return 1;; esac ;}

# Initial sanity check that the hardware is supported, and prep info in case the kernel
# needs to be updated to support cec-gpio
RPI_MODEL=`cat /sys/firmware/devicetree/base/model`
if strstr "Raspberry Pi 4" "$RPI_MODEL" ||
    strstr "Raspberry Pi 3 Model B" "$RPI_MODEL" ||
    strstr "Raspberry Pi Zero 2 W" "$RPI_MODEL"; then
    KERNEL_ARCHIVE_URL="https://github.com/retsyx/amity-kernels/blob/main/kernel-6.6.51/kernel-6.6.51-v8-amity.zip?raw=true"
    KERNEL_IMG=kernel8.img
elif strstr "Raspberry Pi 5" "$RPI_MODEL"; then
    KERNEL_ARCHIVE_URL="https://github.com/retsyx/amity-kernels/blob/main/kernel-6.6.51/kernel-6.6.51-v8-16k-amity.zip?raw=true"
    KERNEL_IMG=kernel_2712.img
else
    echo "${RPI_MODEL} is not a known model (if it is older than a Raspberry Pi 3 Model B, it is not supported)"
    exit 1
fi

# Kernel setup
KERNEL_HAS_CEC_GPIO=`gunzip -c "$FIRMWARE_PATH/$KERNEL_IMG" | grep -c cec-gpio || true`

cd "$ROOT_DIR"

if [ ! -d "$APP_DIR" ]; then
    sudo apt-get -y update
    sudo apt-get -y install git
    git clone https://github.com/retsyx/amity.git
    # Setup a venv
    python -m venv "$APP_DIR"
else
    pushd $APP_DIR
    git fetch && git rebase
    popd
fi

# If necessary, download, and install cec-gpio enabled kernel, and reboot
if [ "$KERNEL_HAS_CEC_GPIO" -eq "0" ]; then
    KERNEL_ARCHIVE_DIR="$ROOT_DIR/linux-build/out"
    mkdir -p $KERNEL_ARCHIVE_DIR
    curl -L --remote-name --output-dir "$KERNEL_ARCHIVE_DIR" "$KERNEL_ARCHIVE_URL"
fi

cd $APP_DIR

./build/setup-amity-core.sh

if [ "$KERNEL_HAS_CEC_GPIO" -eq "0" ]; then
    sleep 5
    sudo shutdown -r now
fi