From: Chuck Lever <cel@netapp.com>
Date: Wed, 26 Oct 2005 18:51:45 +0000 (-0400)
Subject: Make switching to the current branch a no-op
X-Git-Tag: v0.8~50
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/stgit/commitdiff_plain/9756a20261dd76630b570b274afc18c3bf4c6589

Make switching to the current branch a no-op

Check if "stg branch name" is switching to the branch we are already in,
and make that case a no-op.

Signed-off-by: Chuck Lever <cel@netapp.com>
---

diff --git a/stgit/commands/branch.py b/stgit/commands/branch.py
index c731a69..3e5efef 100644
--- a/stgit/commands/branch.py
+++ b/stgit/commands/branch.py
@@ -197,6 +197,9 @@ def func(parser, options, args):
 
     elif len(args) == 1:
 
+        if args[0] == git.get_head_file():
+            raise CmdException, 'Branch "%s" is already the current branch' % args[0]
+
         print 'Switching to branch "%s"...' % args[0],
         sys.stdout.flush()