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#!/usr/bin/perl
# This script outputs some perl code that parses all possible options
# that the code in options.c might send to the server. This perl code
# is included in the rrsync script.
use strict;
our %short_no_arg;
our %short_with_num;
our %long_opt = ( # These include some extra long-args that BackupPC uses:
'block-size' => 1,
'daemon' => -1,
'debug' => 1,
'fake-super' => 0,
'fuzzy' => 0,
'group' => 0,
'hard-links' => 0,
'ignore-times' => 0,
'info' => 1,
'links' => 0,
'log-file' => 3,
'one-file-system' => 0,
'owner' => 0,
'perms' => 0,
'recursive' => 0,
'times' => 0,
);
our $last_long_opt;
open(IN, '../options.c') or die "Unable to open ../options.c: $!\n";
while (<IN>) {
if (/\Qargstr[x++]\E = '([^.ie])'/) {
$short_no_arg{$1} = 1;
undef $last_long_opt;
} elsif (/\Qasprintf(\E[^,]+, "-([a-zA-Z0-9])\%l?[ud]"/) {
$short_with_num{$1} = 1;
undef $last_long_opt;
} elsif (/\Qargs[ac++]\E = "--([^"=]+)"/) {
$last_long_opt = $1;
$long_opt{$1} = 0 unless exists $long_opt{$1};
} elsif (defined($last_long_opt)
&& /\Qargs[ac++]\E = ([^["\s]+);/ && $1 ne 'dest_option') {
$long_opt{$last_long_opt} = 2;
undef $last_long_opt;
} elsif (/dest_option = "--([^"]+)"/) {
$long_opt{$1} = 2;
undef $last_long_opt;
} elsif (/\Qasprintf(\E[^,]+, "--([^"=]+)=/ || /\Qargs[ac++]\E = "--([^"=]+)=/) {
$long_opt{$1} = 1;
undef $last_long_opt;
}
}
close IN;
my $short_no_arg = join('', sort keys %short_no_arg);
my $short_with_num = join('', sort keys %short_with_num);
print <<EOT;
# These options are the only options that rsync might send to the server,
# and only in the option format that the stock rsync produces.
# To disable a short-named option, add its letter to this string:
our \$short_disabled = 's';
our \$short_no_arg = '$short_no_arg'; # DO NOT REMOVE ANY
our \$short_with_num = '$short_with_num'; # DO NOT REMOVE ANY
# To disable a long-named option, change its value to a -1. The values mean:
# 0 = the option has no arg; 1 = the arg doesn't need any checking; 2 = only
# check the arg when receiving; and 3 = always check the arg.
our \%long_opt = (
EOT
foreach my $opt (sort keys %long_opt) {
my $val = $long_opt{$opt};
$val = 1 if $opt =~ /^(max-|min-)/;
$val = 3 if $opt eq 'files-from';
$val = '$ro ? -1 : ' . $val if $opt =~ /^remove-/;
print " '$opt' => $val,\n";
}
print ");\n\n";
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