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path: root/tools/linux_packaging/uninstall.sh.in
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#!/bin/sh

######################################
#
#	Ardour/Mixbus bundle uninstaller
#	Todd Naugle
#
#####################################

MAJOR_VERSION="%REPLACE_MAJOR_VERSION%"

PGM_NAME="%REPLACE_PGM%"
PGM_VENDOR="%REPLACE_VENDOR%"
PGM_VERSION="%REPLACE_VERSION%"
PGM_BUILDTYPE="%REPLACE_TYPE%"

INSTALL_DEST_BASE=/opt
USER_BIN_DIR="/usr/local/bin"

UNINSTALLER="$(readlink -f "$0")"

USER_NAME=$(logname)


#### Derived Variables ####
if [ -z "${PGM_BUILDTYPE}" ]; then
	PGM_PATH=${INSTALL_DEST_BASE}/${PGM_NAME}-${PGM_VERSION}
	ICON_NAME="${PGM_VENDOR}-${PGM_NAME}_${PGM_VERSION}"			#no dash between name and version since dash seperates vendor from program
	MENU_FILE="${PGM_VENDOR}-${PGM_NAME}_${PGM_VERSION}.desktop"	#no dash between name and version since dash seperates vendor from program
	DESKTOP_LINK_FILE="${PGM_NAME}_${PGM_VERSION}.desktop"
else
	PGM_PATH=${INSTALL_DEST_BASE}/${PGM_NAME}-${PGM_VERSION}-${PGM_BUILDTYPE}
	ICON_NAME="${PGM_VENDOR}-${PGM_NAME}_${PGM_VERSION}_${PGM_BUILDTYPE}"			#no dash between name and version since dash seperates vendor from program
	MENU_FILE="${PGM_VENDOR}-${PGM_NAME}_${PGM_VERSION}_${PGM_BUILDTYPE}.desktop"	#no dash between name and version since dash seperates vendor from program
	DESKTOP_LINK_FILE="${PGM_NAME}_${PGM_VERSION}_${PGM_BUILDTYPE}.desktop"
fi

MENU_FILE_PATH="${PGM_PATH}/share/${MENU_FILE}"


#############################
# Check for root privileges
#############################

SUPER=""

if [ "$(id -u)" != "0" ]; then

	if ! which sudo > /dev/null;
	then
		echo ""
		echo "Attempting to uninstall using su"
		echo "Please enter root password below"
		echo ""

		if ! su -c "${UNINSTALLER}";
		then
			echo ""
			echo "!!! ERROR !!!"
			echo ""
			echo "This uninstaller requires root privileges. It is currently not"
			echo "running as root AND an attempt to use su failed."
			echo ""
			echo "Please correct this by installing and configuring sudo or running"
			echo "the uninstaller as root (su -c)."
			echo ""
			read -p "Press ENTER to exit uninstaller:" BLAH
			exit 1
		fi
		exit
	else
		sudo -k # make sudo forget about cached credentials
	fi

	if ! sudo date;
	then
		echo ""
		echo "Attempting to uninstall using su"
		echo "Please enter root password below"
		echo ""

		if ! su -c "${UNINSTALLER}";
		then
			echo ""
			echo "!!! ERROR !!!"
			echo ""
			echo "This uninstaller requires root privileges. It is currently not"
			echo "running as root AND an attempt to use both sudo and su failed."
			echo ""
			echo "Please correct this by installing and configuring sudo or running"
			echo "the uninstaller as root (su -c)."
			echo ""
			read -p "Press ENTER to exit uninstaller:" BLAH
			exit 1
		fi
		exit
	fi
	SUPER="sudo"
fi

#######################
# Check for xdg utils
#######################
HAS_XDG="T"

#load the file that contains the translated names of the users directories
if [ -e /home/${USER_NAME}/.config/user-dirs.dirs ]; then
	. /home/${USER_NAME}/.config/user-dirs.dirs
fi

if [ "$(id -u)" != "0" ]; then
	USER_DESKTOP_DIR=${XDG_DESKTOP_DIR:-$HOME/Desktop}
else
	#running as root with su makes this more difficult
	DESKTOP_FOLDER=$(echo ${XDG_DESKTOP_DIR:-$HOME/Desktop} | awk -F/ '{print $NF}')
	USER_DESKTOP_DIR="/home/${USER_NAME}/${DESKTOP_FOLDER}"
fi

XDG_MENU_VER=$(xdg-desktop-menu --version 2> /dev/null)
if [ -z "$XDG_MENU_VER" ];
then
	echo "System does not have xdg-desktop-menu installed"
	HAS_XDG="F"
fi

XDG_ICON_VER=$(xdg-icon-resource --version 2> /dev/null)
if [ -z "$XDG_ICON_VER" ];
then
	echo "System does not have xdg-icon-resource installed"
	HAS_XDG="F"
fi


#############
# Uninstall
#############

if [ -d ${PGM_PATH} ];
then
	echo ""
	echo "Removing existing ${PGM_NAME} installation at ${PGM_PATH}"
	echo ""

	if [ "T" = ${HAS_XDG} ];
	then
		${SUPER} xdg-desktop-menu uninstall ${MENU_FILE_PATH}
		${SUPER} xdg-icon-resource uninstall --size 16 ${ICON_NAME}
		${SUPER} xdg-icon-resource uninstall --size 22 ${ICON_NAME}
		${SUPER} xdg-icon-resource uninstall --size 32 ${ICON_NAME}
		${SUPER} xdg-icon-resource uninstall --size 48 ${ICON_NAME}
		${SUPER} xdg-icon-resource uninstall --size 256 ${ICON_NAME}

		if [ -e /usr/share/icons/hicolor/scalable/apps/${ICON_NAME}.svg ]; 
		then
			${SUPER} rm -f /usr/share/icons/hicolor/scalable/apps/${ICON_NAME}.svg
		fi
	fi

	if [ -e ${USER_DESKTOP_DIR}/${DESKTOP_LINK_FILE} ];
	then
		${SUPER} rm -f ${USER_DESKTOP_DIR}/${DESKTOP_LINK_FILE}
	fi

	# delete the bin link if it is linked to this version
	if [ -e "${USER_BIN_DIR}/${PGM_NAME}${MAJOR_VERSION}" ]; 
	then
		BIN_LINK_TARGET=$(readlink "${USER_BIN_DIR}/${PGM_NAME}${MAJOR_VERSION}")
		BIN_LINK_TARGET_DIR=$(dirname "${BIN_LINK_TARGET}")

		if [ "${BIN_LINK_TARGET_DIR}" = "${PGM_PATH}/bin" ];
		then
			${SUPER} rm -f "${USER_BIN_DIR}/${PGM_NAME}${MAJOR_VERSION}"
		fi
	fi
	

	# delete the old package
	${SUPER} rm -rf ${PGM_PATH}
	${SUPER} rm -f $0
else
	echo ""
	echo "!!! FAILURE !!! - install path ${PGM_PATH} does not exist."
	echo ""
fi