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changeset 2224:318aba30dec3

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subranges: migrate handling of single element range This is the simplest case by far, so we start with that one. We still use the rich object as an argument, but we'll do our best to not relying on that. This is important for performance reason.
author Pierre-Yves David <pierre-yves.david@ens-lyon.org>
date Wed, 22 Mar 2017 03:49:40 +0100
parents e2770faac2df
children d07bb7cbae2f
files hgext3rd/evolve/obsdiscovery.py hgext3rd/evolve/stablerange.py
diffstat 2 files changed, 9 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/hgext3rd/evolve/obsdiscovery.py
+++ b/hgext3rd/evolve/obsdiscovery.py
@@ -604,8 +604,6 @@
         cached = self._repo.stablerange.subranges(self._repo, self)
         if cached is not None:
             return cached
-        if len(self) == 1:
-            return []
         step = _hlp2(self.depth)
         standard_start = 0
         while standard_start < self.index and 0 < step:
--- a/hgext3rd/evolve/stablerange.py
+++ b/hgext3rd/evolve/stablerange.py
@@ -103,10 +103,19 @@
             revdepth += len(cl.findmissingrevs(common=[anc], heads=[rev]))
         return revdepth
 
+    def rangelength(self, repo, rangeid):
+        headrev, index = rangeid.head, rangeid.index
+        return self.depthrev(repo, headrev) - index
+
     def subranges(self, repo, rangeid):
         cached = self._subrangescache.get(rangeid)
         if cached is not None:
             return cached
+        if self.rangelength(repo, rangeid) == 1:
+            value = []
+            self._subrangescache[rangeid] = value
+            return value
+        return None
 
     def setsubranges(self, rangeid, value):
         # XXX temporary cache setter as value computation are performed outside