configitems: make all regular expressions bytes and not native str

Fixes many tests on Python 3.

Differential Revision: https://phab.mercurial-scm.org/D1181

mercurial/configitems.py

@@ -584,52 +584,52 coreconfigitem('merge-tools', '.*',
     default=None,
     generic=True,
 )
-coreconfigitem('merge-tools', r'.*\.args$',
+coreconfigitem('merge-tools', br'.*\.args$',
     default="$local $base $other",
     generic=True,
     priority=-1,
 )
-coreconfigitem('merge-tools', r'.*\.binary$',
+coreconfigitem('merge-tools', br'.*\.binary$',
     default=False,
     generic=True,
     priority=-1,
 )
-coreconfigitem('merge-tools', r'.*\.check$',
+coreconfigitem('merge-tools', br'.*\.check$',
     default=list,
     generic=True,
     priority=-1,
 )
-coreconfigitem('merge-tools', r'.*\.checkchanged$',
+coreconfigitem('merge-tools', br'.*\.checkchanged$',
     default=False,
     generic=True,
     priority=-1,
 )
-coreconfigitem('merge-tools', r'.*\.executable$',
+coreconfigitem('merge-tools', br'.*\.executable$',
     default=dynamicdefault,
     generic=True,
     priority=-1,
 )
-coreconfigitem('merge-tools', r'.*\.fixeol$',
+coreconfigitem('merge-tools', br'.*\.fixeol$',
     default=False,
     generic=True,
     priority=-1,
 )
-coreconfigitem('merge-tools', r'.*\.gui$',
+coreconfigitem('merge-tools', br'.*\.gui$',
     default=False,
     generic=True,
     priority=-1,
 )
-coreconfigitem('merge-tools', r'.*\.priority$',
+coreconfigitem('merge-tools', br'.*\.priority$',
     default=0,
     generic=True,
     priority=-1,
 )
-coreconfigitem('merge-tools', r'.*\.premerge$',
+coreconfigitem('merge-tools', br'.*\.premerge$',
     default=dynamicdefault,
     generic=True,
     priority=-1,
 )
-coreconfigitem('merge-tools', r'.*\.symlink$',
+coreconfigitem('merge-tools', br'.*\.symlink$',
     default=False,
     generic=True,
     priority=-1,