py3: add b'' prefixes to make printrevset.py work in test-glog.t

# skip-blame because we are just adding b'' prefixes

Differential Revision: https://phab.mercurial-scm.org/D2257

tests/test-glog.t

@@ -102,7 +102,7 b' o (0) root'
   > def uisetup(ui):
   >     def printrevset(orig, repo, pats, opts):
   >         revs, filematcher = orig(repo, pats, opts)
-  >         if opts.get('print_revset'):
+  >         if opts.get(b'print_revset'):
   >             expr = logrevset(repo, pats, opts)
   >             if expr:
   >                 tree = revsetlang.parse(expr)
@@ -110,15 +110,15 b' o (0) root'
   >             else:
   >                 tree = []
   >             ui = repo.ui
-  >             ui.write('%r\n' % (opts.get('rev', []),))
-  >             ui.write(revsetlang.prettyformat(tree) + '\n')
-  >             ui.write(smartset.prettyformat(revs) + '\n')
+  >             ui.write(b'%r\n' % (opts.get(b'rev', []),))
+  >             ui.write(revsetlang.prettyformat(tree) + b'\n')
+  >             ui.write(smartset.prettyformat(revs) + b'\n')
   >             revs = smartset.baseset()  # display no revisions
   >         return revs, filematcher
   >     extensions.wrapfunction(logcmdutil, 'getrevs', printrevset)
-  >     aliases, entry = cmdutil.findcmd('log', commands.table)
-  >     entry[1].append(('', 'print-revset', False,
-  >                      'print generated revset and exit (DEPRECATED)'))
+  >     aliases, entry = cmdutil.findcmd(b'log', commands.table)
+  >     entry[1].append((b'', b'print-revset', False,
+  >                      b'print generated revset and exit (DEPRECATED)'))
   > EOF
 
   $ echo "[extensions]" >> $HGRCPATH