rank: add context and template keyword
This makes the stored rank property accessible, to be expanded and printed.
Differential Revision: https://phab.mercurial-scm.org/D12140
--- a/mercurial/context.py Fri Jan 28 11:33:01 2022 +0100
+++ b/mercurial/context.py Fri Jan 28 11:35:41 2022 +0100
@@ -684,6 +684,14 @@
"""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)
--- a/mercurial/templatekw.py Fri Jan 28 11:33:01 2022 +0100
+++ b/mercurial/templatekw.py Fri Jan 28 11:35:41 2022 +0100
@@ -304,6 +304,21 @@
)
+@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 the sub-graph it defines as a head.
+ Equivalently, the rank of a revision `r` is the size of the set
+ `ancestors(r)`, `r` 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')