359     anyway, although the results will probably be neither useful

   359     anyway, although the results will probably be neither useful

   360     nor desirable.

   360     nor desirable.

   361 

   361 

   362     Returns 0 on success.

   362     Returns 0 on success.

   363     """

   363     """

   365     if not pats:

   364     if not pats:

   366         raise error.Abort(_('at least one filename or pattern is required'))

   365         raise error.Abort(_('at least one filename or pattern is required'))

   367 

   366 

   368     if opts.get('follow'):

   367     if opts.get('follow'):

   369         # --follow is deprecated and now just an alias for -f/--file

   368         # --follow is deprecated and now just an alias for -f/--file

   419         opts['number'] = True

   418         opts['number'] = True

   420 

   419 

   421     linenumber = opts.get('line_number') is not None

   420     linenumber = opts.get('line_number') is not None

   422     if linenumber and (not opts.get('changeset')) and (not opts.get('number')):

   421     if linenumber and (not opts.get('changeset')) and (not opts.get('number')):

   423         raise error.Abort(_('at least one of -n/-c is required for -l'))

   422         raise error.Abort(_('at least one of -n/-c is required for -l'))

   424 

   425 

   425     if fm.isplain():

   426     if fm.isplain():

   426         def makefunc(get, fmt):

   427         def makefunc(get, fmt):

   427             return lambda x: fmt(get(x))

   428             return lambda x: fmt(get(x))

   428     else:

   429     else: