ui: check for --debugger in sys.argv using r-string to avoid bytes on py3
Our source loader was errantly turning this --debugger into a bytes,
which was then causing me to still get a pager when I was using the
debugger on py3. That made life hard.
--- a/mercurial/ui.py Sun Mar 12 22:46:57 2017 +0530
+++ b/mercurial/ui.py Sat Mar 11 20:51:09 2017 -0500
@@ -901,7 +901,7 @@
or not self.formatted()
or self.plain()
# TODO: expose debugger-enabled on the UI object
- or '--debugger' in sys.argv):
+ or '--debugger' in pycompat.sysargv):
# We only want to paginate if the ui appears to be
# interactive, the user didn't say HGPLAIN or
# HGPLAINEXCEPT=pager, and the user didn't specify --debug.