commit from else where, how gitbook will handle?

first-page.md

@@ -4,5 +4,6 @@ so we are glad to test this new tool gitbook
 
 but will we be able to use the desktop editor with out the online gitbook service ?
 
-
+ok i can push to gogs with gitbook, good!
+but what if i push a commit from else where, how gitbook will resolve that ?