# HG changeset patch
# User Gregory Szorc <gregory.szorc@gmail.com>
# Date 2018-09-05 20:29:22
# Node ID db088e133e91a93753ae58830e698b0ac10f2ece
# Parent  9358f50668110a269eb21847a4a03bc589dadafe

revlog: define ellipsis flag processors in core

We will soon be teaching core to honor the ellipsis flag on revlogs.
Moving the definition of the processor functions to core is the first
step in this.

The processor is still not registered unless the narrow extension is
loaded.

Differential Revision: https://phab.mercurial-scm.org/D4645

diff --git a/hgext/narrow/narrowrevlog.py b/hgext/narrow/narrowrevlog.py
--- a/hgext/narrow/narrowrevlog.py
+++ b/hgext/narrow/narrowrevlog.py
@@ -11,17 +11,7 @@ from mercurial import (
    revlog,
 )
 
-def readtransform(self, text):
-    return text, False
-
-def writetransform(self, text):
-    return text, False
-
-def rawtransform(self, text):
-    return False
-
-revlog.addflagprocessor(revlog.REVIDX_ELLIPSIS,
-                        (readtransform, writetransform, rawtransform))
+revlog.addflagprocessor(revlog.REVIDX_ELLIPSIS, revlog.ellipsisprocessor)
 
 def setup():
     # We just wanted to add the flag processor, which is done at module
diff --git a/mercurial/revlog.py b/mercurial/revlog.py
--- a/mercurial/revlog.py
+++ b/mercurial/revlog.py
@@ -115,6 +115,22 @@ ProgrammingError = error.ProgrammingErro
     REVIDX_ISCENSORED: None,
 }
 
+# Flag processors for REVIDX_ELLIPSIS.
+def ellipsisreadprocessor(rl, text):
+    return text, False
+
+def ellipsiswriteprocessor(rl, text):
+    return text, False
+
+def ellipsisrawprocessor(rl, text):
+    return False
+
+ellipsisprocessor = (
+    ellipsisreadprocessor,
+    ellipsiswriteprocessor,
+    ellipsisrawprocessor,
+)
+
 _mdre = re.compile('\1\n')
 def parsemeta(text):
     """return (metadatadict, metadatasize)"""