--- a/mercurial/changegroup.py Sun Jul 22 19:48:50 2018 +0900
+++ b/mercurial/changegroup.py Sat Jul 28 17:52:21 2018 -0700
@@ -14,6 +14,7 @@
from .i18n import _
from .node import (
hex,
+ nullid,
nullrev,
short,
)
@@ -27,6 +28,7 @@
phases,
pycompat,
repository,
+ revlog,
util,
)
@@ -492,6 +494,21 @@
return d
return readexactly(self._fh, n)
+def ellipsisdata(packer, rev, revlog_, p1, p2, data, linknode):
+ n = revlog_.node(rev)
+ p1n, p2n = revlog_.node(p1), revlog_.node(p2)
+ flags = revlog_.flags(rev)
+ flags |= revlog.REVIDX_ELLIPSIS
+ meta = packer.builddeltaheader(
+ n, p1n, p2n, nullid, linknode, flags)
+ # TODO: try and actually send deltas for ellipsis data blocks
+ diffheader = mdiff.trivialdiffheader(len(data))
+ l = len(meta) + len(diffheader) + len(data)
+ return ''.join((chunkheader(l),
+ meta,
+ diffheader,
+ data))
+
class cg1packer(object):
deltaheader = _CHANGEGROUPV1_DELTA_HEADER
version = '01'