--- a/mercurial/hook.py Fri Mar 31 11:08:11 2017 +0200
+++ b/mercurial/hook.py Fri Mar 31 11:53:56 2017 +0200
@@ -127,6 +127,7 @@
if tr and tr.writepending():
env['HG_PENDING'] = repo.root
env['HG_HOOKTYPE'] = htype
+ env['HG_HOOKNAME'] = name
for k, v in args.iteritems():
if callable(v):