diff hgext/git/index.py @ 47012:d55b71393907

node: replace nullid and friends with nodeconstants class

The introduction of 256bit hashes require changes to nullid and other
constant magic values. Start pushing them down from repository and
revlog where sensible.

Differential Revision: https://phab.mercurial-scm.org/D9465

--- a/hgext/git/index.py	Mon Apr 19 20:38:52 2021 -0400
+++ b/hgext/git/index.py	Mon Mar 29 01:52:06 2021 +0200
@@ -5,10 +5,7 @@
 import sqlite3
 
 from mercurial.i18n import _
-from mercurial.node import (
-    nullhex,
-    nullid,
-)
+from mercurial.node import sha1nodeconstants
 
 from mercurial import (
     encoding,
@@ -281,7 +278,7 @@
     for pos, commit in enumerate(walker):
         if prog is not None:
             prog.update(pos)
-        p1 = p2 = nullhex
+        p1 = p2 = sha1nodeconstants.nullhex
         if len(commit.parents) > 2:
             raise error.ProgrammingError(
                 (
@@ -318,7 +315,9 @@
                 )
             new_files = (p.delta.new_file for p in patchgen)
             files = {
-                nf.path: nf.id.hex for nf in new_files if nf.id.raw != nullid
+                nf.path: nf.id.hex
+                for nf in new_files
+                if nf.id.raw != sha1nodeconstants.nullid
             }
             for p, n in files.items():
                 # We intentionally set NULLs for any file parentage