adding 'git top <command>'

config/.gitconfig

@@ -8,12 +8,12 @@
 	default = simple
 [alias]
     tree = log --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold cyan)<%an>%Creset' --abbrev-commit --date=relative
-	drqs = "!f(){ git checkout -b feature/DRQS$1; }; f"
-	svnsync = "!f(){ git co master && git pull && ssh devgit svnsync $(git config --get remote.origin.url | cut -d : -f 2 );}; f"
+	top = "!f() { GIT_TOP=\"${GIT_DIR%%/.git/modules/*}\"; [ \".$GIT_TOP\" != \".$GIT_DIR\" ] && cd \"$GIT_TOP\"; exec \"$@\"; }; f"
 	st = status
 	br = branch
 	co = checkout
 	ci = commit
+	svnsync = "!f(){ git co master && git pull && ssh devgit svnsync $(git config --get remote.origin.url | cut -d : -f 2 );}; f"
 [merge]
 	tool = vimdiff
 	conflictstyle = diff3