diff mercurial/patch.py @ 7090:7b5c063b0b94

diff: pass contexts to status

Allow status() to take contexts as well as nodes. This lets us avoid
unpacking manifests multiple times and intelligently unpack manifests
in revision order. Also, we can avoid unpacking manifests at all when
there are no changes in the working directory.

--- a/mercurial/patch.py	Sun Oct 12 15:21:08 2008 -0500
+++ b/mercurial/patch.py	Sun Oct 12 15:21:08 2008 -0500
@@ -1174,21 +1174,18 @@
             flcache[f] = flctx._filelog
         return flctx
 
-    # reading the data for node1 early allows it to play nicely
-    # with repo.status and the revlog cache.
     ctx1 = repo[node1]
-    # force manifest reading
-    man1 = ctx1.manifest()
-    date1 = util.datestr(ctx1.date())
+    ctx2 = repo[node2]
 
     if not changes:
-        changes = repo.status(node1, node2, match=match)
+        changes = repo.status(ctx1, ctx2, match=match)
     modified, added, removed = changes[:3]
 
     if not modified and not added and not removed:
         return
 
-    ctx2 = repo[node2]
+    date1 = util.datestr(ctx1.date())
+    man1 = ctx1.manifest()
 
     if repo.ui.quiet:
         r = None