File:  [ELWIX - Embedded LightWeight unIX -] / embedaddon / rsync / packaging / cull_options
Revision 1.1.1.3 (vendor branch): download - view: text, annotated - select for diffs - revision graph
Wed Mar 17 00:32:36 2021 UTC (3 years, 3 months ago) by misho
Branches: rsync, MAIN
CVS tags: v3_2_3, HEAD
rsync 3.2.3

    1: #!/usr/bin/env 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 = ( '@' => 1 );
    9: our %long_opt = ( # These include some extra long-args that BackupPC uses:
   10:     'block-size' => 1,
   11:     'daemon' => -1,
   12:     'debug' => 1,
   13:     'fake-super' => 0,
   14:     'fuzzy' => 0,
   15:     'group' => 0,
   16:     'hard-links' => 0,
   17:     'ignore-times' => 0,
   18:     'info' => 1,
   19:     'links' => 0,
   20:     'log-file' => 3,
   21:     'one-file-system' => 0,
   22:     'owner' => 0,
   23:     'perms' => 0,
   24:     'recursive' => 0,
   25:     'times' => 0,
   26:     'write-devices' => -1,
   27: );
   28: our $last_long_opt;
   29: 
   30: open(IN, '../options.c') or die "Unable to open ../options.c: $!\n";
   31: 
   32: while (<IN>) {
   33:     if (/\Qargstr[x++]\E = '([^.ie])'/) {
   34: 	$short_no_arg{$1} = 1;
   35: 	undef $last_long_opt;
   36:     } elsif (/\Qasprintf(\E[^,]+, "-([a-zA-Z0-9])\%l?[ud]"/) {
   37: 	$short_with_num{$1} = 1;
   38: 	undef $last_long_opt;
   39:     } elsif (/\Qargs[ac++]\E = "--([^"=]+)"/) {
   40: 	$last_long_opt = $1;
   41: 	$long_opt{$1} = 0 unless exists $long_opt{$1};
   42:     } elsif (defined($last_long_opt)
   43: 	&& /\Qargs[ac++]\E = ([^["\s]+);/) {
   44: 	$long_opt{$last_long_opt} = 2;
   45: 	undef $last_long_opt;
   46:     } elsif (/return "--([^"]+-dest)";/) {
   47: 	$long_opt{$1} = 2;
   48: 	undef $last_long_opt;
   49:     } elsif (/\Qasprintf(\E[^,]+, "--([^"=]+)=/ || /\Qargs[ac++]\E = "--([^"=]+)=/ || /fmt = .*: "--([^"=]+)=/) {
   50: 	$long_opt{$1} = 1;
   51: 	undef $last_long_opt;
   52:     }
   53: }
   54: close IN;
   55: 
   56: my $short_no_arg = join('', sort keys %short_no_arg);
   57: my $short_with_num = join('', sort keys %short_with_num);
   58: 
   59: print <<EOT;
   60: 
   61: # These options are the only options that rsync might send to the server,
   62: # and only in the option format that the stock rsync produces.
   63: 
   64: # To disable a short-named option, add its letter to this string:
   65: our \$short_disabled = 's';
   66: 
   67: our \$short_no_arg = '$short_no_arg'; # DO NOT REMOVE ANY
   68: our \$short_with_num = '$short_with_num'; # DO NOT REMOVE ANY
   69: 
   70: # To disable a long-named option, change its value to a -1.  The values mean:
   71: # 0 = the option has no arg; 1 = the arg doesn't need any checking; 2 = only
   72: # check the arg when receiving; and 3 = always check the arg.
   73: our \%long_opt = (
   74: EOT
   75: 
   76: foreach my $opt (sort keys %long_opt) {
   77:     my $val = $long_opt{$opt};
   78:     $val = 1 if $opt =~ /^(max-|min-)/;
   79:     $val = 3 if $opt eq 'files-from';
   80:     $val = q"$only eq 'r' ? -1 : " . $val if $opt =~ /^(remove-|log-file)/;
   81:     $val = q"$only eq 'w' ? -1 : " . $val if $opt eq 'sender';
   82:     print "  '$opt' => $val,\n";
   83: }
   84: 
   85: print ");\n\n";

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