context: add `decodeddata()` to basefilectx
This will be used as an abstraction by simplemerge to get the data it used to
read off the filesystem.
Differential Revision: https://phab.mercurial-scm.org/D434
--- a/mercurial/context.py Mon Aug 21 08:52:46 2017 +0200
+++ b/mercurial/context.py Thu Aug 24 21:26:40 2017 -0700
@@ -1097,6 +1097,13 @@
c = visit.pop(max(visit))
yield c
+ def decodeddata(self):
+ """Returns `data()` after running repository decoding filters.
+
+ This is often equivalent to how the data would be expressed on disk.
+ """
+ return self._repo.wwritedata(self.path(), self.data())
+
def _annotatepair(parents, childfctx, child, skipchild, diffopts):
r'''
Given parent and child fctxes and annotate data for parents, for all lines