# HG changeset patch
# User Matt Mackall <mpm@selenic.com>
# Date 1444166780 18000
# Node ID 502b56a9e8973e0e19608bf360bc95372c6450cf
# Parent  042344313939ab8b26821b0b60b5479ebd4b89de
dirstate: batch calls to statfiles (issue4878)

This makes it more interruptible.

diff -r 042344313939 -r 502b56a9e897 mercurial/dirstate.py
--- a/mercurial/dirstate.py	Sun Oct 11 18:30:47 2015 +0900
+++ b/mercurial/dirstate.py	Tue Oct 06 16:26:20 2015 -0500
@@ -931,8 +931,14 @@
                 # We may not have walked the full directory tree above,
                 # so stat and check everything we missed.
                 nf = iter(visit).next
-                for st in util.statfiles([join(i) for i in visit]):
-                    results[nf()] = st
+                pos = 0
+                while pos < len(visit):
+                    # visit in mid-sized batches so that we don't
+                    # block signals indefinitely
+                    xr = xrange(pos, min(len(visit), pos + 1000))
+                    for st in util.statfiles([join(visit[n]) for n in xr]):
+                        results[nf()] = st
+                    pos += 1000
         return results
 
     def status(self, match, subrepos, ignored, clean, unknown):