Create desktopintegration

xdgurl.AppDir/desktopintegration

+#!/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"
+
+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 ${THIS}."
+    exit 0
+  fi
+}
+
+DIRNAME=$(dirname $FILENAME)
+
+# Check whether dependencies are present in base system (we do not bundle these)
+# http://cgit.freedesktop.org/xdg/desktop-file-utils/
+check_dep desktop-file-validate
+check_dep update-desktop-database
+check_dep desktop-file-install
+check_dep xdg-icon-resource
+check_dep xdg-mime
+check_dep xdg-desktop-menu
+
+DESKTOPFILE=$(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="$APPDIR/AppRun"
+  # Not running from within an AppImage; hence using the AppRun for Exec=
+fi
+
+# Construct path to the icon according to
+# http://specifications.freedesktop.org/thumbnail-spec/thumbnail-spec-latest.html
+ABS_APPIMAGE=$(readlink -e "$APPIMAGE")
+ICONURL="file://$ABS_APPIMAGE"
+MD5=$(echo -n $ICONURL | md5sum | cut -c -32)
+ICONFILE="$HOME/.cache/thumbnails/normal/$MD5.png"
+if [ ! -f "$ICONFILE" ] ; then
+  echo "$ICONFILE is missing. Probably not running ${THIS} from within an AppImage."
+  echo "Hence falling back to using .DirIcon"
+  ICONFILE="$APPDIR/.DirIcon"
+fi
+
+# $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" \
+    --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