# HG changeset patch
# User Pierre-Yves David <pierre-yves.da...@octobus.net>
# Date 1643366141 -3600
# Fri Jan 28 11:35:41 2022 +0100
# Node ID a5e1331be0ffa00772e4de07c982dfd36cd4f8c7
# Parent ff043e0e1aacc81f8d5238f89bed5a6b355ba9cf
# EXP-Topic cl2-rank
rank: add context and template keyword
This makes the stored rank property accessible, to be expanded and printed.
diff --git a/mercurial/context.py b/mercurial/context.py
--- a/mercurial/context.py
+++ b/mercurial/context.py
@@ -685,6 +685,14 @@
"""Return a list of byte bookmark names."""
return self._repo.nodebookmarks(self._node)
+ def fast_rank(self):
+ repo = self._repo
+ if self._maybe_filtered:
+ cl = repo.changelog
+ else:
+ cl = repo.unfiltered().changelog
+ return cl.fast_rank(self._rev)
+
def phase(self):
return self._repo._phasecache.phase(self._repo, self._rev)
diff --git a/mercurial/templatekw.py b/mercurial/templatekw.py
--- a/mercurial/templatekw.py
+++ b/mercurial/templatekw.py
@@ -304,6 +304,20 @@
)
+@templatekeyword(b'_fast_rank', requires={b'ctx'})
+def fast_rank(context, mapping):
+ """the rank of a changeset if cached
+
+ The rank of a revision is the size of sub-graph it defines as a head. In
+ other words, the rank of X is the size of `ancestors(X)` (X included).
+ """
+ ctx = context.resource(mapping, b'ctx')
+ rank = ctx.fast_rank()
+ if rank is None:
+ return None
+ return b"%d" % rank
+
+
def _getfilestatus(context, mapping, listall=False):
ctx = context.resource(mapping, b'ctx')
revcache = context.resource(mapping, b'revcache')
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