# HG changeset patch
# User Augie Fackler <raf@durin42.com>
# Date 1527529035 14400
# Node ID bb09e8a230d6192722059eba749fa4f889102364
# Parent  51e105c7f0c6fe1aece28bc06c177b68c0e789f1
wrappers: fix old versions of hg without breaking 4.6

Whoops.

diff --git a/hgsubversion/wrappers.py b/hgsubversion/wrappers.py
--- a/hgsubversion/wrappers.py
+++ b/hgsubversion/wrappers.py
@@ -184,7 +184,9 @@ def diff(orig, ui, repo, *args, **opts):
             parent = repo[o_r[-1]].parents()[0]
         opts['rev'] = ['%s:.' % node.hex(parent.node()), ]
     node1, node2 = scmutil.revpair(repo, opts['rev'])
-    node1, node2 = node1.node(), node2.node()
+    if not isinstance(node1, bytes):
+        # hg 4.6 and later return contexts, so convert to bytestr
+        node1, node2 = node1.node(), node2.node()
     baserev, _junk = hashes.get(node1, (-1, 'junk'))
     newrev, _junk = hashes.get(node2, (-1, 'junk'))
     it = patch.diff(repo, node1, node2,