Allow 'hg serve --webdir-conf foo' to be run outside a repository.

Allow 'hg serve --webdir-conf foo' to be run outside a repository.

--- a/mercurial/commands.py	Tue Apr 25 18:50:40 2006 +0200
+++ b/mercurial/commands.py	Tue Apr 25 19:38:19 2006 +0200
@@ -2495,6 +2495,8 @@
     """
 
     if opts["stdio"]:
+        if repo is None:
+            raise hg.RepoError(_('no repo found'))
         fin, fout = sys.stdin, sys.stdout
         sys.stdout = sys.stderr
 
@@ -2572,6 +2574,9 @@
         if opts[o]:
             ui.setconfig("web", o, opts[o])
 
+    if repo is None and not ui.config("web", "webdir_conf"):
+        raise hg.RepoError(_('no repo found'))
+
     if opts['daemon'] and not opts['daemon_pipefds']:
         rfd, wfd = os.pipe()
         args = sys.argv[:]
@@ -2583,7 +2588,7 @@
         os._exit(0)
 
     try:
-        httpd = hgweb.create_server(repo)
+        httpd = hgweb.create_server(ui, repo)
     except socket.error, inst:
         raise util.Abort(_('cannot start server: ') + inst.args[1])
 
@@ -3202,7 +3207,7 @@
 
 norepo = ("clone init version help debugancestor debugcomplete debugdata"
           " debugindex debugindexdot")
-optionalrepo = ("paths debugconfig")
+optionalrepo = ("paths serve debugconfig")
 
 def findpossible(cmd):
     """

--- a/mercurial/hgweb.py	Tue Apr 25 18:50:40 2006 +0200
+++ b/mercurial/hgweb.py	Tue Apr 25 19:38:19 2006 +0200
@@ -889,7 +889,7 @@
         else:
             req.write(self.t("error"))
 
-def create_server(repo):
+def create_server(ui, repo):
     use_threads = True
 
     def openlog(opt, default):
@@ -897,12 +897,12 @@
             return open(opt, 'w')
         return default
 
-    address = repo.ui.config("web", "address", "")
-    port = int(repo.ui.config("web", "port", 8000))
-    use_ipv6 = repo.ui.configbool("web", "ipv6")
-    webdir_conf = repo.ui.config("web", "webdir_conf")
-    accesslog = openlog(repo.ui.config("web", "accesslog", "-"), sys.stdout)
-    errorlog = openlog(repo.ui.config("web", "errorlog", "-"), sys.stderr)
+    address = ui.config("web", "address", "")
+    port = int(ui.config("web", "port", 8000))
+    use_ipv6 = ui.configbool("web", "ipv6")
+    webdir_conf = ui.config("web", "webdir_conf")
+    accesslog = openlog(ui.config("web", "accesslog", "-"), sys.stdout)
+    errorlog = openlog(ui.config("web", "errorlog", "-"), sys.stderr)
 
     if use_threads:
         try:
@@ -988,8 +988,10 @@
 
             if webdir_conf:
                 hgwebobj = hgwebdir(webdir_conf)
+            elif repo is not None:
+                hgwebobj = hgweb(repo.__class__(repo.ui, repo.origroot))
             else:
-                hgwebobj = hgweb(repo.__class__(repo.ui, repo.origroot))
+                raise hg.RepoError(_('no repo found'))
             hgwebobj.run(req)