Update xdg-utils to the latest version available in git.

third_party/xdg-utils/scripts/xdg-open.in

 #!/bin/sh
 #---------------------------------------------
 #   xdg-open
 #
 #   Utility script to open a URL in the registered default application.
 #
 #   Refer to the usage() function below for usage.
 #
 #   Copyright 2009-2010, Fathi Boudra <fabo@freedesktop.org>
 #   Copyright 2009-2010, Rex Dieter <rdieter@fedoraproject.org>
@@ skipping 18 matching lines @@
 
 #@xdg-utils-common@
 
 # This handles backslashes but not quote marks.
 first_word()
 {
     read first rest
     echo "$first"
 }
 
+last_word()
+{
+    read first rest
+    echo "$rest"
+}
+
 open_kde()
 {
     if kde-open -v 2>/dev/null 1>&2; then
         kde-open "$1"
     else
         if [ x"$KDE_SESSION_VERSION" = x"4" ]; then
             kfmclient openURL "$1"
         else
             kfmclient exec "$1"
             kfmclient_fix_exit_code $?
@@ skipping 38 matching lines @@
     filetype=`xdg-mime query filetype "$1" | sed "s/;.*//"`
     default=`xdg-mime query default "$filetype"`
     if [ -n "$default" ] ; then
         xdg_user_dir="$XDG_DATA_HOME"
         [ -n "$xdg_user_dir" ] || xdg_user_dir="$HOME/.local/share"
 
         xdg_system_dirs="$XDG_DATA_DIRS"
         [ -n "$xdg_system_dirs" ] || xdg_system_dirs=/usr/local/share/:/usr/share/
 
         for x in `echo "$xdg_user_dir:$xdg_system_dirs" | sed 's/:/ /g'`; do
-            file="$x/applications/$default"
+            local file
+            # look for both vendor-app.desktop, vendor/app.desktop
+            if [ -r "$x/applications/$default" ]; then
+              file="$x/applications/$default"
+            elif [ -r "$x/applications/`echo $default | sed -e 's|-|/|'`" ]; then
+              file="$x/applications/`echo $default | sed -e 's|-|/|'`"
+            fi
+
             if [ -r "$file" ] ; then
                 command="`grep -E "^Exec(\[[^]=]*])?=" "$file" | cut -d= -f 2- | first_word`"
                 command_exec=`which $command 2>/dev/null`
+                arguments="`grep -E "^Exec(\[[^]=]*])?=" "$file" | cut -d= -f 2- | last_word`"
+                arguments_exec="`echo $arguments | sed -e 's*%[fFuU]*"'"$1"'"*g'`"
                 if [ -x "$command_exec" ] ; then
-                    $command_exec "$1"
+                    if echo $arguments | grep -iq '%[fFuU]' ; then
+                        eval $command_exec $arguments_exec
+                    else
+                        eval $command_exec $arguments_exec "$1"
+                    fi
+
                     if [ $? -eq 0 ]; then
                         exit_success
                     fi
                 fi
             fi
         done
     fi
 }
 
 open_generic()
 {
     # Paths or file:// URLs
     if (echo "$1" | grep -q '^file://' ||
         ! echo "$1" | egrep -q '^[a-zA-Z+\.\-]+:'); then
 
-        local file=$(echo "$1" | sed 's%^file://%%')
+        local file="$1"
 
         # Decode URLs
-        # TODO
-
+        if echo "$file" | grep -q '^file:///'; then
+            file=${file#file://}
+            file="$(printf "$(echo "$file" | sed -e 's@%\([a-f0-9A-F]\{2\}\)@\\x\1@g')")"
+        fi
         check_input_file "$file"
 
         open_generic_xdg_mime "$file"
 
         if [ -f /etc/debian_version ] &&
             which run-mailcap 2>/dev/null 1>&2; then
             run-mailcap --action=view "$file"
             if [ $? -eq 0 ]; then
                 exit_success
             fi
@@ skipping 93 matching lines @@
     if [ -n "$DISPLAY" ]; then
         BROWSER=firefox:mozilla:epiphany:konqueror:chromium-browser:google-chrome:$BROWSER
     fi
 fi
 
 case "$DE" in
     kde)
     open_kde "$url"
     ;;
 
-    gnome)
+    gnome*)
     open_gnome "$url"
     ;;
 
     xfce)
     open_xfce "$url"
     ;;
 
     lxde)
     open_lxde "$url"
     ;;
 
     generic)
     open_generic "$url"
     ;;
 
     *)
     exit_failure_operation_impossible "no method available for opening '$url'"
     ;;
 esac