[listings] add keywords for Git

my-listings.sty

@@ -40,6 +40,12 @@
                 mkdir,switch,merge,copy}
 }
 
+\lstdefinelanguage{git}{
+  morekeywords={git,checkout,status, commit,
+    add,diff,log,reset,clone,restore,
+    push,pull,origin}
+}
+
 \lstdefinelanguage{fh}{
   morekeywords={if,then,else,fi,while,do,od,;,:=}
 }