py3: don't use universal_newlines in svnsubrepo
On Python 3, it means text=True without any specific encoding, which is
pretty bad. Instead, use util.fromnativeeol() to translate CR+LF to LF
without encoding conversion.
--- a/mercurial/subrepo.py Sat Feb 02 15:21:35 2019 +0900
+++ b/mercurial/subrepo.py Sat Feb 02 15:26:51 2019 +0900
@@ -958,10 +958,8 @@
p = subprocess.Popen(pycompat.rapply(procutil.tonativestr, cmd),
bufsize=-1, close_fds=procutil.closefds,
stdout=subprocess.PIPE, stderr=subprocess.PIPE,
- universal_newlines=True,
env=procutil.tonativeenv(env), **extrakw)
- stdout, stderr = p.communicate()
- stdout, stderr = pycompat.fsencode(stdout), pycompat.fsencode(stderr)
+ stdout, stderr = map(util.fromnativeeol, p.communicate())
stderr = stderr.strip()
if not failok:
if p.returncode: