Mercurial > hg-stable

changeset 49606:fa955e3f6aee stable

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emitrevision: add a small closure to check if a base is usable We will make more use of this and make it more complex too.
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Mon, 28 Nov 2022 15:48:51 +0100
parents e45590649888
children 0bda07f34c01
files mercurial/utils/storageutil.py
diffstat 1 files changed, 4 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/mercurial/utils/storageutil.py	Thu Dec 08 15:13:17 2022 +0100
+++ b/mercurial/utils/storageutil.py	Mon Nov 28 15:48:51 2022 +0100
@@ -391,6 +391,9 @@
     # Set of revs available to delta against.
     available = set()
 
+    def is_usable_base(rev):
+        return rev != nullrev and rev in available
+
     for rev in revs:
         if rev == nullrev:
             continue
@@ -420,7 +423,7 @@
         elif deltaparentrev != nullrev:
             # Base revision was already emitted in this group. We can
             # always safely use the delta.
-            if deltaparentrev in available:
+            if is_usable_base(deltaparentrev):
                 baserev = deltaparentrev
 
             # Base revision is a parent that hasn't been emitted already.