[PATCH in-crew] manifest: document return type of readfast()
Augie Fackler
raf at durin42.com
Tue May 5 14:53:37 UTC 2015
# HG changeset patch
# User Augie Fackler <augie at google.com>
# Date 1430238690 14400
# Tue Apr 28 12:31:30 2015 -0400
# Node ID a9bca07c5df4834db6f62921ffcad3d88c4d1572
# Parent e5b507efb36e2b9ad8edb1a38459d26c934d74dd
manifest: document return type of readfast()
I keep having to ponder out what readfast() means, and it always
surprises me. Document the return type in the docstring so that future
readers won't have to puzzle this out again.
diff --git a/mercurial/manifest.py b/mercurial/manifest.py
--- a/mercurial/manifest.py
+++ b/mercurial/manifest.py
@@ -793,7 +793,13 @@ class manifest(revlog.revlog):
return self._newmanifest(d)
def readfast(self, node):
- '''use the faster of readdelta or read'''
+ '''use the faster of readdelta or read
+
+ This will return a manifest which is either only the files
+ added/modified relative to p1, or all files in the
+ manifest. Which one is returned depends on the codepath used
+ to retrieve the data.
+ '''
r = self.rev(node)
deltaparent = self.deltaparent(r)
if deltaparent != revlog.nullrev and deltaparent in self.parentrevs(r):
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