config: load included config files in binary mode
I guess we've been getting lucky that this works in Python 2. This
fixes loading included config files in Python 3 (it used to fail on
the "somebody set up us the BOM" check.)
--- a/mercurial/config.py Wed Mar 01 16:39:48 2017 -0800
+++ b/mercurial/config.py Fri Mar 03 13:28:24 2017 -0500
@@ -169,5 +169,5 @@
def read(self, path, fp=None, sections=None, remap=None):
if not fp:
- fp = util.posixfile(path)
+ fp = util.posixfile(path, 'rb')
self.parse(path, fp.read(), sections, remap, self.read)