localrepo: make it possible to reuse manifest when commiting context
This makes the commit function understand the context that's reusing manifest.
--- a/mercurial/localrepo.py Thu Nov 17 10:59:15 2016 -0800
+++ b/mercurial/localrepo.py Thu Nov 17 10:59:15 2016 -0800
@@ -1696,7 +1696,11 @@
tr = self.transaction("commit")
trp = weakref.proxy(tr)
- if ctx.files():
+ if ctx.manifestnode():
+ # reuse an existing manifest revision
+ mn = ctx.manifestnode()
+ files = ctx.files()
+ elif ctx.files():
m1ctx = p1.manifestctx()
m2ctx = p2.manifestctx()
mctx = m1ctx.copy()