Create [web] section with short username as contact on hg init and hg clone.

mercurial/commands.py

@@ -587,8 +587,8 b' def clone(ui, source, dest=None, **opts)'
         repo = hg.repository(ui, dest, create=1)
         repo.pull(other)
 
-    f = repo.opener("hgrc", "w")
-    f.write("[paths]\n")
+    f = repo.opener("hgrc", "a")
+    f.write("\n[paths]\n")
     f.write("default = %s\n" % abspath)
 
     if not opts['noupdate']:

mercurial/localrepo.py

@@ -27,11 +27,6 b' class localrepository:'
 
         self.root = os.path.abspath(path)
         self.ui = ui
-
-        if create:
-            os.mkdir(self.path)
-            os.mkdir(self.join("data"))
-
         self.opener = util.opener(self.path)
         self.wopener = util.opener(self.root)
         self.manifest = manifest.manifest(self.opener)
@@ -39,6 +34,13 b' class localrepository:'
         self.tagscache = None
         self.nodetagscache = None
 
+        if create:
+            os.mkdir(self.path)
+            os.mkdir(self.join("data"))
+            f = self.opener("hgrc", "w")
+            f.write("[web]\n")
+            f.write("contact = %s\n" % ui.shortuser(ui.username()))
+
         self.dirstate = dirstate.dirstate(self.opener, ui, self.root)
         try:
             self.ui.readconfig(self.opener("hgrc"))