hgweb: use ui:username rather than web:contact

This also removes the creation of .hg/hgrc with web:contact at init time.

mercurial/hgweb.py

@@ -964,8 +964,9 b' class hgwebdir:'
                 url = ('/'.join([req.env["REQUEST_URI"].split('?')[0], name])
                        .replace("//", "/"))
 
-                yield dict(contact=get("web", "contact") or
-                                   get("web", "author", "unknown"),
+                yield dict(contact=(get("ui", "username") or # preferred
+                                    get("web", "contact") or # deprecated
+                                    get("web", "author", "unknown")), # also
                            name=get("web", "name", name),
                            url=url,
                            parity=parity,

mercurial/localrepo.py

@@ -39,9 +39,6 b' class localrepository:'
         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:

tests/test-archive

@@ -13,6 +13,7 b' mkdir baz'
 echo bletch>baz/bletch
 hg addremove
 hg commit -m 3
+echo "[web]" >> .hg/hgrc
 echo "name = test-archive" >> .hg/hgrc
 echo "allowzip = true" >> .hg/hgrc
 echo "allowgz = true" >> .hg/hgrc