add support for Linux .desktop files

.gitmodules

@@ -343,6 +343,9 @@
 [submodule "vendor/grammars/ini.tmbundle"]
 	path = vendor/grammars/ini.tmbundle
 	url = https://github.com/textmate/ini.tmbundle
+[submodule "vendor/grammars/desktop.tmbundle"]
+	path = vendor/grammars/desktop.tmbundle
+	url = https://github.com/Mailaender/desktop.tmbundle.git
 [submodule "vendor/grammars/io.tmbundle"]
 	path = vendor/grammars/io.tmbundle
 	url = https://github.com/textmate/io.tmbundle

grammars.yml

@@ -160,6 +160,8 @@ vendor/grammars/dart-sublime-bundle:
 - source.dart
 - source.pubspec
 - text.dart-doccomments
+vendor/grammars/desktop.tmbundle:
+- source.desktop
 vendor/grammars/diff.tmbundle:
 - source.diff
 vendor/grammars/dylan.tmbundle:

lib/linguist/languages.yml

@@ -3249,6 +3249,14 @@ Zimpl:
   tm_scope: none
   ace_mode: text
 
+desktop:
+  type: data
+  extensions:
+  - .desktop
+  - .desktop.in
+  tm_scope: source.desktop
+  ace_mode: text
+
 eC:
   type: programming
   search_term: ec

samples/desktop/example.desktop

@@ -0,0 +1,21 @@
+# http://standards.freedesktop.org/desktop-entry-spec/latest/apa.html
+
+[Desktop Entry]
+Version=1.0
+Type=Application
+Name=Foo Viewer
+Comment=The best viewer for Foo objects available!
+TryExec=fooview
+Exec=fooview %F
+Icon=fooview
+MimeType=image/x-foo;
+Actions=Gallery;Create;
+
+[Desktop Action Gallery]
+Exec=fooview --gallery
+Name=Browse Gallery
+
+[Desktop Action Create]
+Exec=fooview --create-new
+Name=Create a new Foo!
+Icon=fooview-new