Mercurial > hg-stable

changeset 51355:866ab9f447d4

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delta-find: simplify the delta checking function for snapshot Since the function is all about snapshot, we can safely use an early return and make the result simpler.
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Sun, 07 Jan 2024 03:23:24 +0100
parents f3f35b37f4b2
children 2a333d791ecf
files mercurial/revlogutils/deltas.py
diffstat 1 files changed, 6 insertions(+), 8 deletions(-) [+]
line wrap: on
line diff
--- a/mercurial/revlogutils/deltas.py	Sun Jan 07 00:56:15 2024 +0100
+++ b/mercurial/revlogutils/deltas.py	Sun Jan 07 03:23:24 2024 +0100
@@ -739,24 +739,22 @@
 
         This is used by is_good_delta_info.
         """
+        # if not a snapshot, this method has no filtering to do
+        if deltainfo.snapshotdepth is None:
+            return True
         # bad delta from intermediate snapshot size limit
         #
         #   If an intermediate snapshot size is higher than the limit.  The
         #   limit exist to prevent endless chain of intermediate delta to be
         #   created.
         if (
-            deltainfo.snapshotdepth is not None
-            and (self.revinfo.textlen >> deltainfo.snapshotdepth)
-            < deltainfo.deltalen
-        ):
+            self.revinfo.textlen >> deltainfo.snapshotdepth
+        ) < deltainfo.deltalen:
             return False
 
         # bad delta if new intermediate snapshot is larger than the previous
         # snapshot
-        if (
-            deltainfo.snapshotdepth
-            and self.revlog.length(deltainfo.base) < deltainfo.deltalen
-        ):
+        if self.revlog.length(deltainfo.base) < deltainfo.deltalen:
             return False
 
         return True