better instructions for git start

rhodecode/templates/shortlog/shortlog_data.html

@@ -78,6 +78,11
 
 <h4>${_('Existing repository?')}</h4>
 <pre>
-    ${c.rhodecode_repo.alias} push ${c.clone_repo_url}
+%if h.is_git(c.rhodecode_repo):
+    git remote add origin ${c.clone_repo_url}
+    git push -u origin master
+%else:
+    hg push ${c.clone_repo_url}
+%endif    
 </pre>
 %endif