blakeblackshear.frigate/docker/main/rootfs/etc/s6-overlay/s6-rc.d/frigate/run

#!/command/with-contenv bash
# shellcheck shell=bash
# Start the Frigate service

set -o errexit -o nounset -o pipefail

# Logs should be sent to stdout so that s6 can collect them

# Tell S6-Overlay not to restart this service
s6-svc -O .

function migrate_db_path() {
    # Find config file in yaml or yml, but prefer yaml
    local config_file="${CONFIG_FILE:-"/config/config.yml"}"
    local config_file_yaml="${config_file//.yml/.yaml}"
    if [[ -f "${config_file_yaml}" ]]; then
        config_file="${config_file_yaml}"
    elif [[ ! -f "${config_file}" ]]; then
        # Frigate will create the config file on startup
        return 0
    fi
    unset config_file_yaml

    # Use yq to check if database.path is set
    local user_db_path
    user_db_path=$(yq eval '.database.path' "${config_file}")

    if [[ "${user_db_path}" == "null" ]]; then
        local previous_db_path="/media/frigate/frigate.db"
        local new_db_dir="/config"
        if [[ -f "${previous_db_path}" ]]; then
            if mountpoint --quiet "${new_db_dir}"; then
                # /config is a mount point, move the db
                echo "[INFO] Moving db from '${previous_db_path}' to the '${new_db_dir}' dir..."
                # Move all files that starts with frigate.db to the new directory
                mv -vf "${previous_db_path}"* "${new_db_dir}"
            else
                echo "[ERROR] Trying to migrate the db path from '${previous_db_path}' to the '${new_db_dir}' dir, but '${new_db_dir}' is not a mountpoint, please mount the '${new_db_dir}' dir"
                return 1
            fi
        fi
    fi
}

echo "[INFO] Preparing Frigate..."
migrate_db_path
export LIBAVFORMAT_VERSION_MAJOR=$(ffmpeg -version | grep -Po 'libavformat\W+\K\d+')

echo "[INFO] Starting Frigate..."

cd /opt/frigate || echo "[ERROR] Failed to change working directory to /opt/frigate"

# Replace the bash process with the Frigate process, redirecting stderr to stdout
exec 2>&1
exec python3 -u -m frigate