[PATCH V3] push: provide a hint when no paths in configured (issue3692)

[Anurag Goel]

# HG changeset patch
# User anuraggoel <anurag.dsps at gmail.com>
# Date 1393077250 -19800
#      Sat Feb 22 19:24:10 2014 +0530
# Node ID b542f30f7b0a71608fa4e43030b35c7226753b87
# Parent  0e2877f8605dcaf4fdf2ab7e0046f1f6f80161dd
push: provide a hint when no paths in configured (issue3692)

When user type "hg push" command then this patch helps user by providing hint if no default path is configured.

diff -r 0e2877f8605d -r b542f30f7b0a mercurial/commands.py
--- a/mercurial/commands.py	Sat Feb 15 22:09:32 2014 -0600
+++ b/mercurial/commands.py	Sat Feb 22 19:24:10 2014 +0530
@@ -4614,7 +4614,15 @@
     dest, branches = hg.parseurl(dest, opts.get('branch'))
     ui.status(_('pushing to %s\n') % util.hidepassword(dest))
     revs, checkout = hg.addbranchrevs(repo, repo, branches, opts.get('rev'))
-    other = hg.peer(repo, opts, dest)
+    if dest == "default-push":
+        try:
+            other = hg.peer(repo, opts, dest)
+        except error.RepoError:
+            raise util.Abort(_("repository default-push not found!"),
+                    hint=_('see the "path" section in "hg help config"'))
+    else:
+        other = hg.peer(repo, opts, dest)
+
     if revs:
         revs = [repo.lookup(r) for r in scmutil.revrange(repo, revs)]