[PATCH] Fast-forwarding does a git.switch() even when it forwarded no patches

From: Chuck Lever <cel@netapp.com>
Date: Dec 2, 2005, 00:15 UTC
Message-ID: <20051202001513.9140.14792.stgit@dexter.citi.umich.edu>
In-Reply-To: <20051202001141.9140.23252.stgit@dexter.citi.umich.edu>

The git.switch() in forward_patches() is not needed when no patches have been fast forwarded. This is a significant speed up.

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

 stgit/stack.py |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/stgit/stack.py b/stgit/stack.py
index 3fd6a46..3cc37c5 100644
--- a/stgit/stack.py
+++ b/stgit/stack.py
@@ -735,6 +735,9 @@ class Series:
             forwarded+=1
             unapplied.remove(name)
 
+        if forwarded == 0:
+            return 0
+
         git.switch(top)
 
         append_strings(self.__applied_file, names[0:forwarded])