# HG changeset patch
# User Matt Mackall <mpm@selenic.com>
# Date 1281043059 18000
# Node ID 65bd4b8e48bdf5422f4da13201936934cc14d49e
# Parent  0299240b849b4689bd7a406c564e8914cc7cdd05
httprepo: decompress stream incrementally to reduce memory usage

diff -r 0299240b849b -r 65bd4b8e48bd mercurial/httprepo.py
--- a/mercurial/httprepo.py	Thu Aug 05 16:17:33 2010 -0500
+++ b/mercurial/httprepo.py	Thu Aug 05 16:17:39 2010 -0500
@@ -17,7 +17,9 @@
     zd = zlib.decompressobj()
     try:
         for chunk in util.filechunkiter(f):
-            yield zd.decompress(chunk)
+            while chunk:
+                yield zd.decompress(chunk, 2**18)
+                chunk = zd.unconsumed_tail
     except httplib.HTTPException:
         raise IOError(None, _('connection ended unexpectedly'))
     yield zd.flush()