8df5078b3d
Show default answers in case of user only hits enter. Includes fix: Install on rpi bullseye fails This also should fix #24 Signed-off-by: Stephan Wendel <me@stephanwe.de>
147 lines
4.2 KiB
Bash
Executable File
147 lines
4.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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#### crowsnest - A webcam Service for multiple Cams and Stream Services.
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####
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#### Written by Stephan Wendel aka KwadFan <me@stephanwe.de>
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#### Copyright 2021
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#### https://github.com/mainsail-crew/crowsnest
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####
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#### This File is distributed under GPLv3
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####
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# shellcheck enable=require-variable-braces
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## Exit on Error
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set -Ee
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## Debug
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# set -x
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# Global Vars
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TITLE="crowsnest - A Webcam Daemon for Raspberry Pi OS"
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### Functions
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### Messages
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### Welcome Message
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function welcome_msg {
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echo -e "${TITLE}\n"
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echo -e "\tSome Parts of the Uninstaller requires 'root' privileges."
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echo -e "\tYou will be prompted for your 'sudo' password, if needed.\n"
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}
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function goodbye_msg {
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echo -e "Please remove manually the 'crowsnest' folder in ${HOME}"
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echo -e "Remove [update manager crowsnest] section from moonraker.conf!"
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echo -e "After that is done, please reboot!\nGoodBye...\n"
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}
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### General
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## These two functions are reused from custompios common.sh
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## Credits to guysoft!
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## https://github.com/guysoft/CustomPiOS
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function install_cleanup_trap() {
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# kills all child processes of the current process on SIGINT or SIGTERM
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trap 'cleanup' SIGINT SIGTERM
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}
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function cleanup() {
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# make sure that all child processed die when we die
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echo -e "Killed by user ...\r\nGoodBye ...\r"
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# shellcheck disable=2046
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[ -n "$(jobs -pr)" ] && kill $(jobs -pr) && sleep 5 && kill -9 $(jobs -pr)
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}
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##
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function err_exit {
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if [ "${1}" != "0" ]; then
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echo -e "ERROR: Error ${1} occured on line ${2}"
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echo -e "ERROR: Stopping $(basename "$0")."
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echo -e "Goodbye..."
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fi
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# shellcheck disable=2046
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[ -n "$(jobs -pr)" ] && kill $(jobs -pr) && sleep 5 && kill -9 $(jobs -pr)
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exit 1
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}
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### Init ERR Trap
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trap 'err_exit $? $LINENO' ERR
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### Uninstall crowsnest
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function ask_uninstall {
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local remove
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if [ -x "/usr/local/bin/crowsnest" ] && [ -d "${HOME}/crowsnest" ]; then
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while true; do
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read -erp "Do you REALLY want to remove existing 'crowsnest'? (y/N) " -i "N" remove
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case "${remove}" in
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y|Y|yes|Yes|YES)
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uninstall_crowsnest
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remove_raspicam_fix
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remove_logrotate
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goodbye_msg
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break
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;;
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n|N|no|No|NO)
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echo -e "\nYou answered '${remove}'! Uninstall will be aborted..."
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echo -e "GoodBye...\n"
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exit 1
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;;
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*)
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echo -e "\nInvalid input, please try again."
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;;
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esac
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done
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else
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echo -e "\n'crowsnest' seems not installed."
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echo -e "Exiting. GoodBye ..."
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fi
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}
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function uninstall_crowsnest {
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local servicefile bin_path
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servicefile="/etc/systemd/system/crowsnest.service"
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bin_path="/usr/local/bin/crowsnest"
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echo -en "\nStopping crowsnest.service ...\r"
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sudo systemctl stop crowsnest.service &> /dev/null
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echo -e "Stopping crowsnest.service ... \t[OK]\r"
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echo -en "\nDisable crowsnest.service ...\r"
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sudo systemctl disable crowsnest.service &> /dev/null
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echo -e "Disable crowsnest.service ... \t[OK]\r"
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echo -en "Uninstalling crowsnest.service...\r"
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if [ -f "${servicefile}" ]; then
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sudo rm -f "${servicefile}"
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fi
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if [ -x "${bin_path}" ]; then
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sudo rm -f "${bin_path}"
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fi
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echo -e "Uninstalling crowsnest.service...[OK]\r"
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}
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function remove_raspicam_fix {
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if [ -f /etc/modprobe.d/bcm2835-v4l2.conf ] &&
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[ -f /proc/device-tree/model ] &&
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grep -q "Raspberry" /proc/device-tree/model ; then
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echo -en "Removing Raspicam Fix ...\r"
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sudo sed -i '/bcm2835/d' /etc/modules
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sudo rm -f /etc/modprobe.d/bcm2835-v4l2.conf
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echo -e "Removing Raspicam Fix ... [OK]"
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else
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echo -e "This is not a Raspberry Pi!"
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echo -e "Removing Raspicam Fix ... [SKIPPED]"
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fi
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}
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function remove_logrotate {
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echo -en "Removing Logrotate Rule ...\r"
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sudo rm -f /etc/logrotate.d/crowsnest
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echo -e "Removing Logrotate Rule ... [OK]"
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}
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#### MAIN
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install_cleanup_trap
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welcome_msg
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ask_uninstall
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exit 0
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