install-pa_cal.sh

#!/bin/bash
KCONFIG_PATH="${HOME}/klipper_config"

link_macros()
{
    echo "Linking macros to Klipper..."
    ln -sf "${SRCDIR}/pa_cal.cfg" "${KCONFIG_PATH}/pa_cal.cfg"
}


configure_klipper()
{
    echo -e "Adding [save_variables] to printer.cfg"
    update_section=$(grep -c '\[save_variables\]' \
    ${KCONFIG_PATH}/printer.cfg || true)
    if [ "${update_section}" -eq 0 ]; then
        while read -r line; do
            echo -e "${line}" >> ${KCONFIG_PATH}/.printer.cfg.tmp
        done < "${SCRIPTDIR}/file_templates/printer.cfg_save_variables.txt"
	echo >> ${KCONFIG_PATH}/.printer.cfg.tmp
	cat ${KCONFIG_PATH}/printer.cfg >> ${KCONFIG_PATH}/.printer.cfg.tmp
	mv ${KCONFIG_PATH}/.printer.cfg.tmp ${KCONFIG_PATH}/printer.cfg
    else
        echo -e "[save_variables] already exist in printer.cfg [SKIPPED]"
    fi

    # If saved_variables.cfg then merge the files
    if [ -f "${KCONFIG_PATH}/saved_variables.cfg" ]; then
        echo -e "Adding saved variables to saved_variables.cfg"
        awk -F';' '{print $1}' "${SCRIPTDIR}/file_templates/saved_variables.txt" | awk -v OFS=' ' '{$1=$1}1' > "${SCRIPTDIR}/saved_variables_cleanup.temp" 
        awk '{if(!seen[$0]++)print $0}' "${SCRIPTDIR}/saved_variables_cleanup.temp" "${KCONFIG_PATH}/saved_variables.cfg" > "${SCRIPTDIR}/saved_variables_merged.temp" 
        cp "${SCRIPTDIR}/saved_variables_merged.temp" "${KCONFIG_PATH}/saved_variables.cfg"
    else
        echo -e "Creating saved_variables.cfg"
        cp -n "${SCRIPTDIR}/file_templates/saved_variables.txt" "${KCONFIG_PATH}/saved_variables.cfg"
    fi

    echo -e "Adding [include pa_cal.cfg] to printer.cfg"
    update_section=$(grep -c '\[include pa_cal.cfg\]' \
    ${KCONFIG_PATH}/printer.cfg || true)
    rm -f ${KCONFIG_PATH}/.printer.cfg.tmp
    if [ "${update_section}" -eq 0 ]; then
        while read -r line; do
            echo -e "${line}" >> ${KCONFIG_PATH}/.printer.cfg.tmp
        done < "${SCRIPTDIR}/file_templates/printer.cfg_include_pa_cal.txt"
	echo >> ${KCONFIG_PATH}/.printer.cfg.tmp
	cat ${KCONFIG_PATH}/printer.cfg >> ${KCONFIG_PATH}/.printer.cfg.tmp
	mv ${KCONFIG_PATH}/.printer.cfg.tmp ${KCONFIG_PATH}/printer.cfg
    else
        echo -e "[include pa_cal.cfg] already exist in printer.cfg [SKIPPED]"
    fi
}

# Step 3: configure moonraker
configure_moonraker()
{
    echo -e "Adding update manager to moonraker.conf"
    update_section=$(grep -c '\[update_manager pa_cal\]' \
    ${KCONFIG_PATH}/moonraker.conf || true)
    if [ "${update_section}" -eq 0 ]; then
        echo >> ${KCONFIG_PATH}/moonraker.conf
        while read -r line; do
            echo -e "${line}" >> ${KCONFIG_PATH}/moonraker.conf
        done < "${SCRIPTDIR}/file_templates/moonraker_update.txt"
        echo >> ${KCONFIG_PATH}/moonraker.conf
    else
        echo -e "[update_manager pa_cal] already exist in moonraker.conf [SKIPPED]"
    fi
}

# Step 4: restarting Klipper
restart_klipper()
{
    echo "Restarting Klipper..."
    sudo systemctl restart klipper
}

# Step 4: restarting Klipper
restart_moonraker()
{
    echo "Restarting Moonraker..."
    sudo systemctl restart moonraker
}

# Helper functions
verify_ready()
{
    if [ "$EUID" -eq 0 ]; then
        echo "This script must not run as root"
        exit -1
    fi
}

# Force script to exit if an error occurs
set -e

# Find SRCDIR from the pathname of this script
SCRIPTDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )"/ && pwd )"
SRCDIR="${SCRIPTDIR}/src"

# Parse command line arguments
while getopts "k:" arg; do
    case $arg in
        k) KCONFIG_PATH=$OPTARG;;
    esac
done

# Run steps
verify_ready
link_macros
configure_moonraker
restart_moonraker
configure_klipper
restart_klipper