commit 6e4d88e740b89a2766312fb544e4a22b7034d9e3
Author: Simon Lees <sflees@suse.de>
Date:   Tue May 31 13:13:53 2016 +0930

    common: implement vendor dirs in desktop_file_to_binary

Index: xdg-utils-20160610/scripts/xdg-utils-common.in
===================================================================
--- xdg-utils-20160610.orig/scripts/xdg-utils-common.in
+++ xdg-utils-20160610/scripts/xdg-utils-common.in
@@ -50,7 +50,6 @@ binary_to_desktop_file()
 
 #-------------------------------------------------------------
 # map a .desktop file to a binary
-## FIXME: handle vendor dir case
 desktop_file_to_binary()
 {
     search="${XDG_DATA_HOME:-$HOME/.local/share}:${XDG_DATA_DIRS:-/usr/local/share:/usr/share}"
@@ -58,14 +57,33 @@ desktop_file_to_binary()
     IFS=:
     for dir in $search; do
         unset IFS
-        [ "$dir" ] && [ -d "$dir/applications" ] || continue
-        file="$dir/applications/$desktop"
-        [ -r "$file" ] || continue
-        # Remove any arguments (%F, %f, %U, %u, etc.).
-        command="`grep -E "^Exec(\[[^]=]*])?=" "$file" | cut -d= -f 2- | first_word`"
-        command="`which "$command"`"
-        readlink -f "$command"
-        return
+        [ "$dir" ] && [ -d "$dir/applications" ] || [ -d "$dir/applnk" ] || continue
+        # Check if desktop file contains -
+        if [ "${desktop#*-}" != "$desktop" ]; then
+            vendor=${desktop%-*}
+            app=${desktop#*-}
+            if [ -r $dir/applications/$vendor/$app ]; then
+                file_path=$dir/applications/$vendor/$app
+            elif [ -r $dir/applnk/$vendor/$app ]; then
+                file_path=$dir/applnk/$vendor/$app
+            fi
+        fi
+        if test -z "$file_path" ; then
+            for indir in "$dir"/applications/ "$dir"/applications/*/ "$dir"/applnk/ "$dir"/applnk/*/; do
+                file="$indir/$desktop"
+                if [ -r "$file" ]; then
+                    file_path=$file
+                    break
+                fi
+            done
+        fi
+        if [ -r "$file_path" ]; then
+            # Remove any arguments (%F, %f, %U, %u, etc.).
+            command="`grep -E "^Exec(\[[^]=]*])?=" "$file_path" | cut -d= -f 2- | first_word`"
+            command="`which "$command"`"
+            readlink -f "$command"
+            return
+        fi
     done
 }