--- a/mercurial/context.py
+++ b/mercurial/context.py
@@ -83,7 +83,7 @@ class changectx(object):
"""get a file context from this changeset"""
if fileid is None:
fileid = self.filenode(path)
- return filectx(self._repo, path, fileid=fileid)
+ return filectx(self._repo, path, fileid=fileid, changectx=self)
def filectxs(self):
"""generate a file context for each file in this changeset's
@@ -104,7 +104,8 @@ class changectx(object):
class filectx(object):
"""A filecontext object makes access to data related to a particular
filerevision convenient."""
- def __init__(self, repo, path, changeid=None, fileid=None, filelog=None):
+ def __init__(self, repo, path, changeid=None, fileid=None,
+ filelog=None, changectx=None):
"""changeid can be a changeset revision, node, or tag.
fileid can be a file revision or node."""
self._repo = repo
@@ -114,6 +115,9 @@ class filectx(object):
if filelog:
self._filelog = filelog
+ if changectx:
+ self._changectx = changectx
+ self._changeid = changectx.node()
if fileid is None:
self._changeid = changeid