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#!/bin/bash
# The purpose of this script is to provide lightweight desktop integration
# into the host system without special help from the host system.
# If you want to have fuller and automatic desktop integration, you might
# consider to use the optional appimaged daemon instead.
# Exit on errors
set -e
# Be verbose if $DEBUG=1 is set
if [ ! -z "$DEBUG" ] ; then
env
set -x
fi
THIS="$0"
args=("$@") # http://stackoverflow.com/questions/3190818/
NUMBER_OF_ARGS="$#"
# Please do not change $VENDORPREFIX as it will allow for desktop files
# belonging to AppImages to be recognized by future AppImageKit components
# such as desktop integration daemons
VENDORPREFIX=appimagekit
APPDIR="$(dirname "$(readlink -f "${THIS}")")"
BIN="${APPDIR}/xdgurl"
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trap atexit EXIT
# Note that the following handles 0, 1 or more arguments (file paths)
# which can include blanks but uses a bashism; can the same be achieved
# in POSIX-shell? (FIXME)
# http://stackoverflow.com/questions/3190818
atexit()
{
if [ $NUMBER_OF_ARGS -eq 0 ] ; then
exec "${BIN}"
else
exec "${BIN}" "${args[@]}"
fi
}
error()
{
if [ -x /usr/bin/zenity ] ; then
LD_LIBRARY_PATH="" zenity --error --text "${1}" 2>/dev/null
elif [ -x /usr/bin/kdialog ] ; then
LD_LIBRARY_PATH="" kdialog --msgbox "${1}" 2>/dev/null
elif [ -x /usr/bin/Xdialog ] ; then
LD_LIBRARY_PATH="" Xdialog --msgbox "${1}" 2>/dev/null
else
echo "${1}"
fi
exit 1
}
yesno()
{
TITLE=$1
TEXT=$2
if [ -x /usr/bin/zenity ] ; then
LD_LIBRARY_PATH="" zenity --question --title="$TITLE" --text="$TEXT" 2>/dev/null || exit 0
elif [ -x /usr/bin/kdialog ] ; then
LD_LIBRARY_PATH="" kdialog --caption "" --title "$TITLE" -yesno "$TEXT" || exit 0
elif [ -x /usr/bin/Xdialog ] ; then
LD_LIBRARY_PATH="" Xdialog --title "$TITLE" --clear --yesno "$TEXT" 10 80 || exit 0
else
echo "zenity, kdialog, Xdialog missing. Skipping ${THIS}."
exit 0
fi
}
check_prevent()
{
FILE=$1
if [ -e "$FILE" ] ; then
exit 0
fi
}
# Exit immediately of one of these files is present
# (e.g., because the desktop environment wants to handle desktop integration itself)
check_prevent "$HOME/.local/share/$VENDORPREFIX/no_desktopintegration"
check_prevent "/usr/share/$VENDORPREFIX/no_desktopintegration"
check_prevent "/etc/$VENDORPREFIX/no_desktopintegration"
# Exit immediately if appimaged is running
pidof appimaged 2>/dev/null && exit 0
# Exit immediately if $DESKTOPINTEGRATION is not empty
if [ ! -z "$DESKTOPINTEGRATION" ] ; then
exit 0
fi
check_dep()
{
DEP=$1
if [ -z $(which $DEP) ] ; then
echo "$DEP is missing. Skipping ${THIS}."
exit 0
fi
}
# Check whether dependencies are present in base system (we do not bundle these)
# http://cgit.freedesktop.org/xdg/desktop-file-utils/
check_dep desktop-file-validate
check_dep update-desktop-database
check_dep desktop-file-install
check_dep xdg-icon-resource
check_dep xdg-mime
check_dep xdg-desktop-menu
DESKTOPFILE=$(find "$APPDIR" -maxdepth 1 -name "*.desktop" | head -n 1)
# echo "$DESKTOPFILE"
DESKTOPFILE_NAME=$(basename "${DESKTOPFILE}")
if [ ! -f "$DESKTOPFILE" ] ; then
echo "Desktop file is missing. Please run ${THIS} from within an AppImage."
exit 0
fi
if [ -z "$APPIMAGE" ] ; then
APPIMAGE="$APPDIR/AppRun"
# Not running from within an AppImage; hence using the AppRun for Exec=
fi
ABS_APPIMAGE=$(readlink -e "$APPIMAGE")
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# $XDG_DATA_DIRS contains the default paths /usr/local/share:/usr/share
# desktop file has to be installed in an applications subdirectory
# of one of the $XDG_DATA_DIRS components
if [ -z "$XDG_DATA_DIRS" ] ; then
XDG_DATA_DIRS=/usr/local/share:/usr/share
fi
# Determine where the desktop file should be installed
if [[ $EUID -ne 0 ]]; then
DESTINATION_DIR_DESKTOP="$HOME/.local/share/applications"
SYSTEM_WIDE=""
else
# TODO: Check $XDG_DATA_DIRS
DESTINATION_DIR_DESKTOP="/usr/local/share/applications"
SYSTEM_WIDE="--mode system" # for xdg-mime and xdg-icon-resource
fi
# Check if the desktop file is already there
# and if so, whether it points to the same AppImage
if [ -e "$DESTINATION_DIR_DESKTOP/$VENDORPREFIX-$DESKTOPFILE_NAME" ] ; then
# echo "$DESTINATION_DIR_DESKTOP/$VENDORPREFIX-$DESKTOPFILE_NAME already there"
EXEC=$(grep "^Exec=" "$DESTINATION_DIR_DESKTOP/$VENDORPREFIX-$DESKTOPFILE_NAME" | head -n 1 | cut -d " " -f 1)
# echo $EXEC
if [ "Exec=\"$APPIMAGE\"" == "$EXEC" ] ; then
exit 0
fi
fi
# We ask the user only if we have found no reason to skip until here
if [ -z "$SKIP" ] ; then
yesno "Install" "Would you like to integrate $APPIMAGE with your system?\n\nThis will add it to your applications menu and install icons.\nIf you don't do this you can still launch the application by double-clicking on the AppImage."
fi
APP=$(echo "$DESKTOPFILE_NAME" | sed -e 's/.desktop//g')
# If the user has agreed, rewrite and install the desktop file, and the MIME information
if [ -z "$SKIP" ] ; then
# desktop-file-install is supposed to install .desktop files to the user's
# applications directory when run as a non-root user,
# and to /usr/share/applications if run as root
# but that does not really work for me...
#
# For Exec we must use quotes
# For TryExec quotes is not supported, so, space must be replaced to \s
# https://askubuntu.com/questions/175404/how-to-add-space-to-exec-path-in-a-thumbnailer-descrption/175567
desktop-file-install --rebuild-mime-info-cache \
--vendor=$VENDORPREFIX --set-key=Exec --set-value="\"${APPIMAGE}\" %u" \
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--set-key=X-AppImage-Comment --set-value="Generated by ${THIS}" \
--set-icon="$ICONFILE" --set-key=TryExec --set-value=${APPIMAGE// /\\s} "$DESKTOPFILE" \
--dir "$DESTINATION_DIR_DESKTOP"
chmod a+x "$DESTINATION_DIR_DESKTOP/"*
RESOURCE_NAME=$(echo "$VENDORPREFIX-$DESKTOPFILE_NAME" | sed -e 's/.desktop//g')
# echo $RESOURCE_NAME
# Install the icon files for the application; TODO: scalable
ICONS=$(find "${APPDIR}/usr/share/icons/" -wholename "*/apps/${APP}.png" 2>/dev/null || true)
for ICON in $ICONS ; do
ICON_SIZE=$(echo "${ICON}" | rev | cut -d "/" -f 3 | rev | cut -d "x" -f 1)
xdg-icon-resource install --context apps --size ${ICON_SIZE} "${ICON}" "${RESOURCE_NAME}"
done
# Install mime type
find "${APPDIR}/usr/share/mime/" -type f -name *xml -exec xdg-mime install $SYSTEM_WIDE --novendor {} \; 2>/dev/null || true
# Install the icon files for the mime type; TODO: scalable
ICONS=$(find "${APPDIR}/usr/share/icons/" -wholename "*/mimetypes/*.png" 2>/dev/null || true)
for ICON in $ICONS ; do
ICON_SIZE=$(echo "${ICON}" | rev | cut -d "/" -f 3 | rev | cut -d "x" -f 1)
xdg-icon-resource install --context mimetypes --size ${ICON_SIZE} "${ICON}" $(basename $ICON | sed -e 's/.png//g')
done
xdg-desktop-menu forceupdate
gtk-update-icon-cache # for MIME
fi