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Create desktopintegration
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‎desktopintegration‎

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#!/bin/bash
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# The purpose of this script is to provide lightweight desktop integration
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# into the host system.
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# If you want to use it, then place this in usr/bin/$APPNAME.wrapper
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# and set it as the Exec= line of the .desktop file in the AppImage.
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# TODO:
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# Handle mime types as well
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# Handle multiple versions of the same AppImage?
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# Handle removed AppImages. Currently we are just setting TryExec=
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# See http://specifications.freedesktop.org/thumbnail-spec/thumbnail-spec-latest.html#DELETE
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# Possibly move this to the C runtime that is part of every AppImage?
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# Makes it easy to distinguish from other desktop files
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# and to clean up
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VENDORPREFIX=appimages
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error()
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{
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if [ -x /usr/bin/zenity ] ; then
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LD_LIBRARY_PATH="" zenity --error --text "${1}" 2>/dev/null
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elif [ -x /usr/bin/kdialog ] ; then
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LD_LIBRARY_PATH="" kdialog --msgbox "${1}" 2>/dev/null
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elif [ -x /usr/bin/Xdialog ] ; then
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LD_LIBRARY_PATH="" Xdialog --msgbox "${1}" 2>/dev/null
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else
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echo "${1}"
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fi
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exit 1
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}
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yesno()
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{
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TITLE=$1
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TEXT=$2
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if [ -x /usr/bin/zenity ] ; then
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LD_LIBRARY_PATH="" zenity --question --title="$TITLE" --text="$TEXT" || SKIP=1
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elif [ -x /usr/bin/kdialog ] ; then
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LD_LIBRARY_PATH="" kdialog --caption "Disk auswerfen?" --title "$TITLE" -yesno "$TEXT" || SKIP=1
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elif [ -x /usr/bin/Xdialog ] ; then
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LD_LIBRARY_PATH="" Xdialog --title "$TITLE" --clear --yesno "$TEXT" 10 80 || SKIP=1
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else
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echo "zenity, kdialog, Xdialog missing. Skipping $0."
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SKIP=1
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fi
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}
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check_dep()
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{
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DEP=$1
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if [ -z $(which $DEP) ] ; then
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echo "$DEP is missing. Skipping $0."
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SKIP=1
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fi
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}
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FILENAME=$(readlink -f "${0}")
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echo $FILENAME
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if [[ "$FILENAME" != *.wrapper ]] ; then
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echo "$0 is not named correctly. It should be named \$Exec.wrapper"
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SKIP=1
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fi
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BIN=$(echo "$FILENAME" | sed -e 's|.wrapper||g')
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if [[ ! -f $BIN ]] ; then
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echo "$BIN not found"
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SKIP=1
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fi
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DIRNAME=$(dirname $(readlink -f "${0}"))
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# Check whether dependencies are present in base system (we do not bundle these)
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# http://cgit.freedesktop.org/xdg/desktop-file-utils/
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check_dep desktop-file-validate
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check_dep update-desktop-database
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check_dep desktop-file-install
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DESKTOPFILE=$(find ../ -name "*.desktop" | head -n 1)
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DESKTOPFILE_NAME=$(basename $DESKTOPFILE)
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if [ ! -f "$DESKTOPFILE" ] ; then
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echo "Desktop file is missing. Please run $0 from within an AppImage."
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SKIP=1
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fi
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if [ -z "$APPIMAGE" ] ; then
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echo "\$APPIMAGE is missing. Please run $0 from within an AppImage."
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SKIP=1
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fi
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# Construct path to the icon according to
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# http://specifications.freedesktop.org/thumbnail-spec/thumbnail-spec-latest.html
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ABS_APPIMAGE=$(readlink -e $APPIMAGE)
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ICONURL="file://$ABS_APPIMAGE"
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MD5=$(echo -n $ICONURL | md5sum | cut -c -32)
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ICONFILE="$HOME/.cache/thumbnails/normal/$MD5.png"
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if [ ! -f "$ICONFILE" ] ; then
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echo "$ICONFILE is missing. Please run $0 from within an AppImage."
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SKIP=1
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fi
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# $XDG_DATA_DIRS contains the default paths /usr/local/share:/usr/share
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# desktop file has to be installed in an applications subdirectory
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# of one of the $XDG_DATA_DIRS components
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if [ -z "$XDG_DATA_DIRS" ] ; then
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echo "\$XDG_DATA_DIRS is missing. Please run $0 from within an AppImage."
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SKIP=1
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fi
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# Determine where the desktop file should be installed
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if [[ $EUID -ne 0 ]]; then
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DESTINATION_DIR_DESKTOP="$HOME/.local/share/applications"
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else
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# TODO: Check $XDG_DATA_DIRS
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DESTINATION_DIR_DESKTOP="/usr/local/share/applications"
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fi
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# Check if the desktop file is already there
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# and if so, whether it points to the same AppImage
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if [ -e "$DESTINATION_DIR_DESKTOP/$VENDORPREFIX-$DESKTOPFILE_NAME" ] ; then
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# echo "$DESTINATION_DIR_DESKTOP/$VENDORPREFIX-$DESKTOPFILE_NAME already there"
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EXEC=$(grep "Exec=" "$DESTINATION_DIR_DESKTOP/$VENDORPREFIX-$DESKTOPFILE_NAME" | head -n 1)
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# echo $EXEC
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if [ "Exec=$APPIMAGE" == "$EXEC" ] ; then
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SKIP=1
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fi
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fi
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# We ask the user only if we have found no reason to skip until here
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if [ -z "$SKIP" ] ; then
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yesno "Install" "Should a desktop file for $APPIMAGE be installed?"
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fi
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# If the user has agreed, rewrite and install the desktop file
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if [ -z "$SKIP" ] ; then
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# desktop-file-install is supposed to install
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# .desktop files to the user's
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# applications directory when run as a non-root user,
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# and to /usr/share/applications if run as root
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# but that does not really work for me...
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echo desktop-file-install --rebuild-mime-info-cache \
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--vendor=$VENDORPREFIX --set-key=Exec --set-value=$APPIMAGE \
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--set-icon=$ICONFILE --set-key=TryExec --set-value=$APPIMAGE $DESKTOPFILE \
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--dir "$DESTINATION_DIR_DESKTOP"
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desktop-file-install --rebuild-mime-info-cache \
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--vendor=$VENDORPREFIX --set-key=Exec --set-value=$APPIMAGE \
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--set-icon=$ICONFILE --set-key=TryExec --set-value=$APPIMAGE $DESKTOPFILE \
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--dir "$DESTINATION_DIR_DESKTOP"
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fi
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xdg-desktop-menu forceupdate
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exec $BIN "$@"
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exit $?

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