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Annotation of embedaddon/rsync/packaging/cull_options, revision 1.1.1.1

1.1       misho       1: #!/usr/bin/perl
                      2: # This script outputs some perl code that parses all possible options
                      3: # that the code in options.c might send to the server.  This perl code
                      4: # is included in the rrsync script.
                      5: use strict;
                      6: 
                      7: our %short_no_arg;
                      8: our %short_with_num;
                      9: our %long_opt = (
                     10:     'daemon' => -1,
                     11:     'fake-super' => 0,
                     12:     'log-file' => 3,
                     13: );
                     14: our $last_long_opt;
                     15: 
                     16: open(IN, '../options.c') or die "Unable to open ../options.c: $!\n";
                     17: 
                     18: while (<IN>) {
                     19:     if (/\Qargstr[x++]\E = '([^.ie])'/) {
                     20:        $short_no_arg{$1} = 1;
                     21:        undef $last_long_opt;
                     22:     } elsif (/\Qasprintf(\E[^,]+, "-([a-zA-Z0-9])\%l?[ud]"/) {
                     23:        $short_with_num{$1} = 1;
                     24:        undef $last_long_opt;
                     25:     } elsif (/\Qargs[ac++]\E = "--([^"=]+)"/) {
                     26:        $last_long_opt = $1;
                     27:        $long_opt{$1} = 0 unless exists $long_opt{$1};
                     28:     } elsif (defined($last_long_opt)
                     29:        && /\Qargs[ac++]\E = ([^["\s]+);/ && $1 ne 'dest_option') {
                     30:        $long_opt{$last_long_opt} = 2;
                     31:        undef $last_long_opt;
                     32:     } elsif (/dest_option = "--([^"]+)"/) {
                     33:        $long_opt{$1} = 2;
                     34:        undef $last_long_opt;
                     35:     } elsif (/\Qasprintf(\E[^,]+, "--([^"=]+)=/ || /\Qargs[ac++]\E = "--([^"=]+)=/) {
                     36:        $long_opt{$1} = 1;
                     37:        undef $last_long_opt;
                     38:     }
                     39: }
                     40: close IN;
                     41: 
                     42: my $short_no_arg = join('', sort keys %short_no_arg);
                     43: my $short_with_num = join('', sort keys %short_with_num);
                     44: 
                     45: print <<EOT;
                     46: 
                     47: # These options are the only options that rsync might send to the server,
                     48: # and only in the option format that the stock rsync produces.
                     49: 
                     50: # To disable a short-named option, add its letter to this string:
                     51: our \$short_disabled = 's';
                     52: 
                     53: our \$short_no_arg = '$short_no_arg'; # DO NOT REMOVE ANY
                     54: our \$short_with_num = '$short_with_num'; # DO NOT REMOVE ANY
                     55: 
                     56: # To disable a long-named option, change its value to a -1.  The values mean:
                     57: # 0 = the option has no arg; 1 = the arg doesn't need any checking; 2 = only
                     58: # check the arg when receiving; and 3 = always check the arg.
                     59: our \%long_opt = (
                     60: EOT
                     61: 
                     62: foreach my $opt (sort keys %long_opt) {
                     63:     my $val = $long_opt{$opt};
                     64:     $val = 1 if $opt =~ /^(max-|min-)/;
                     65:     $val = 3 if $opt eq 'files-from';
                     66:     $val = '$ro ? -1 : ' . $val if $opt =~ /^remove-/;
                     67:     print "  '$opt' => $val,\n";
                     68: }
                     69: 
                     70: print ");\n\n";