# HG changeset patch
# User Augie Fackler <augie@google.com>
# Date 1578953659 18000
# Node ID 7126d8b8e0e6652b74f1db9d8fa077463d359843
# Parent  bde1cd4c99d9bb0ead400ae333619cadcd8480ad
hashutil: new package for hashing-related features

Right now this just tries to use our sha1dc and if it's missing (eg a
--pure build) we fall back to hashlib. I imagine in the future we'll
want some other things in here for detecting what hasher is in use as
we transition off sha1.

Differential Revision: https://phab.mercurial-scm.org/D7848

diff -r bde1cd4c99d9 -r 7126d8b8e0e6 mercurial/utils/hashutil.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mercurial/utils/hashutil.py	Mon Jan 13 17:14:19 2020 -0500
@@ -0,0 +1,10 @@
+from __future__ import absolute_import
+
+import hashlib
+
+try:
+    from ..thirdparty import sha1dc
+
+    sha1 = sha1dc.sha1
+except (ImportError, AttributeError):
+    sha1 = hashlib.sha1