diff tests/test-rebase-scenario-global.t @ 31514:2519994d25ca

rebase: use one dirstateguard for entire rebase

Recently we switched rebases to run the entire rebase inside a single
transaction, which dramatically improved the speed of rebases in repos with
large working copies. Let's also move the dirstate into a single dirstateguard
to get the same benefits. This let's us avoid serializing the dirstate after
each commit.

In a large repo, rebasing 27 commits is sped up by about 20%.

I believe the test changes are because us touching the dirstate gave the
transaction something to actually rollback.

--- a/tests/test-rebase-scenario-global.t	Fri Mar 10 15:52:29 2017 -0800
+++ b/tests/test-rebase-scenario-global.t	Sun Mar 19 11:54:15 2017 -0700
@@ -270,6 +270,8 @@
 
   $ hg rebase -s 6 -d 1
   rebasing 6:eea13746799a "G"
+  transaction abort!
+  rollback completed
   abort: cannot use revision 6 as base, result would have 3 parents
   [255]
   $ hg rebase --abort