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