mirror of
https://github.com/rn10950/RetroZilla.git
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293 lines
8.3 KiB
Perl
293 lines
8.3 KiB
Perl
#!/usr/bin/perl -w
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#
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# ***** BEGIN LICENSE BLOCK *****
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# Version: MPL 1.1/GPL 2.0/LGPL 2.1
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#
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# The contents of this file are subject to the Mozilla Public License Version
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# 1.1 (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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# http://www.mozilla.org/MPL/
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#
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# Software distributed under the License is distributed on an "AS IS" basis,
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# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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# for the specific language governing rights and limitations under the
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# License.
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#
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# The Original Code is Mozilla Communicator client code, released
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# March 31, 1998.
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#
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# The Initial Developer of the Original Code is
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# Netscape Communications Corporation.
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# Portions created by the Initial Developer are Copyright (C) 1998-1999
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# the Initial Developer. All Rights Reserved.
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#
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# Contributor(s):
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# Jonathan Granrose (granrose@netscape.com)
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# Jean-Jacques Enser (jj@netscape.com)
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#
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# Alternatively, the contents of this file may be used under the terms of
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# either of the GNU General Public License Version 2 or later (the "GPL"),
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# or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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# in which case the provisions of the GPL or the LGPL are applicable instead
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# of those above. If you wish to allow use of your version of this file only
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# under the terms of either the GPL or the LGPL, and not to allow others to
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# use your version of this file under the terms of the MPL, indicate your
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# decision by deleting the provisions above and replace them with the notice
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# and other provisions required by the GPL or the LGPL. If you do not delete
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# the provisions above, a recipient may use your version of this file under
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# the terms of any one of the MPL, the GPL or the LGPL.
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#
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# ***** END LICENSE BLOCK *****
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# xptlink.pl -
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#
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# traverse directories created by pkgcp.pl and merge multiple .xpt files into
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# a single .xpt file to improve startup performance.
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#
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use Getopt::Long;
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# initialize variables
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$srcdir = ""; # root directory being copied from
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$destdir = ""; # root directory being copied to
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$finaldir = ""; # where to put the final linked XPT
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$verbose = 0; # shorthand for --debug 1
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$debug = 0; # controls amount of debug output
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$help = 0; # flag: if set, print usage
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# get command line options
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$return = GetOptions( "source|s=s", \$srcdir,
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"destination|d=s", \$destdir,
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"final|f=s", \$finaldir,
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"help|h", \$help,
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"debug=i", \$debug,
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"verbose|v", \$verbose,
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"<>", \&do_badargument
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);
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if ($finaldir ne "") {
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$bindir = "";
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}
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else {
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$bindir = "bin/";
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}
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# remove extra slashes from $destdir
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$destdir =~ s:/+:/:g;
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# set debug level
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if ($verbose && !($debug)) {
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$debug = 1;
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} elsif ($debug != 0) {
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$debug = abs ($debug);
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($debug >= 2) && print "debug level: $debug\n";
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}
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# check usage
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if (! $return)
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{
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die "Error: couldn't parse command line options. See \'$0 --help' for options.\nExiting...\n";
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} else {
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check_arguments();
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}
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$xptdirs = (); # directories in the destination directory
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($debug >= 1) && print "\nLinking .xpt files...\n";
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($debug >= 2) && print "do_xptlink():\n";
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# get list of directories on which to run xptlink
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opendir (DESTDIR, "$destdir") ||
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die "Error: could not open directory $destdir. Exiting...\n";
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@xptdirs = sort ( grep (!/^\./, readdir (DESTDIR) ) );
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($debug >= 4) && print "xptdirs: @xptdirs\n";
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closedir (DESTDIR);
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foreach my $component (@xptdirs) {
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($debug >= 1) && print "[$component]\n";
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print ("Checking for '$destdir/$component/$bindir"."components'\n") if $debug >= 3;
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if (-d "$destdir/$component/$bindir"."components") {
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warn "File '$destdir/$component/$bindir"."components/$component.xpt' already exists."
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if -f "$destdir/$component/$bindir"."components/$component.xpt";
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# create list of .xpt files in cwd
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my @xptfiles;
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($debug >= 4) && print "opendir: $destdir/$component/$bindir"."components\n";
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opendir (COMPDIR, "$destdir/$component/$bindir"."components") ||
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die "Error: cannot open $destdir/$component/$bindir"."components. Exiting...\n";
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($debug >= 3) && print "Creating list of .xpt files...\n";
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my @files = sort ( grep (!/^\./, readdir (COMPDIR)));
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foreach my $file (@files) {
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($debug >= 6) && print "$file\n";
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if ( $file =~ /\.xpt$/ ) {
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push @xptfiles, "$destdir/$component/$bindir"."components/$file";
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($debug >= 8) && print "xptfiles:\t@xptfiles\n";
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}
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}
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closedir (COMPDIR);
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# merge .xpt files into one if we found any in the dir
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if ( scalar(@xptfiles) ) {
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my ($merged, $fmerged);
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if ($finaldir ne "") {
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$merged = "$finaldir/$component.xpt";
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}
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else {
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$fmerged = "$destdir/$component/$bindir"."components/$component.xpt";
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$merged = $fmerged.".new";
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}
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my @realxptfiles;
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my $realmerged;
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if ($^O eq "cygwin") {
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@realxptfiles = map {my $file = `cygpath -t mixed $_`;
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chomp $file;
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$file} @xptfiles;
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$realmerged = `cygpath -t mixed $merged`;
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chomp $realmerged;
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}
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else {
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@realxptfiles = @xptfiles;
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$realmerged = $merged;
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}
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my $cmdline = "$srcdir/bin/xpt_link $realmerged @realxptfiles";
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($debug >= 4) && print "$cmdline\n";
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system($cmdline) == 0 || die ("'$cmdline' failed");
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if ($finaldir eq "") {
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# remove old .xpt files in the component directory.
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($debug >= 2) && print "Deleting individual xpt files.\n";
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for my $file (@xptfiles) {
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($debug >= 4) && print "\t$file";
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unlink ($file) ||
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die "Couldn't unlink file $file.\n";
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($debug >= 4) && print "\t\tdeleted\n\n";
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}
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($debug >= 2) && print "Renaming $merged as $fmerged\n";
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rename ($merged, $fmerged) ||
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die "Rename of '$merged' to '$fmerged' failed.\n";
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}
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}
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}
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}
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($debug >= 1) && print "Linking .xpt files completed.\n";
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exit (0);
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#
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# Check that arguments to script are valid.
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#
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sub check_arguments
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{
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my ($exitval) = 0;
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($debug >= 2) && print "check_arguments():\n";
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# if --help print usage
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if ($help) {
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print_usage();
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exit (1);
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}
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# make sure required variables are set:
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# check source directory
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if ( $srcdir eq "" ) {
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print "Error: source directory (--source) not specified.\n";
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$exitval += 8;
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} elsif ((! -d $srcdir) || (! -r $srcdir)) {
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print "Error: source directory \"$srcdir\" is not a directory or is unreadable.\n";
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$exitval = 1;
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}
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# check directory
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if ( $destdir eq "" ) {
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print "Error: destination directory (--destdir) not specified.\n";
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$exitval += 8;
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} elsif ((! -d $destdir) || (! -w $destdir)) {
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print "Error: destination directory \"$destdir\" is not a directory or is not writeable.\n";
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$exitval += 2;
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}
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if ($exitval) {
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print "See \'$0 --help\' for more information.\n";
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print "Exiting...\n";
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exit ($exitval);
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}
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}
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#
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# This is called by GetOptions when there are extra command line arguments
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# it doesn't understand.
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#
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sub do_badargument
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{
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warn "Warning: unknown command line option specified: @_.\n";
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}
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#
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# display usage information
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#
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sub print_usage
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{
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($debug >= 2) && print "print_usage():\n";
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print <<EOC
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$0
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Traverse component directory specified and merge multiple existing
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.xpt files into single new .xpt files for improved startup time.
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Options:
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-s, --source <directory>
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Specifies the directory from which the component files were
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copied. Typically, this will be the same directory used by
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pkgcp.pl.
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Required.
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-d, --destination <directory>
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Specifies the directory in which the component directories are
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located. Typically, this will be the same directory used by
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pkgcp.pl.
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Required.
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-o, --os [dos|unix]
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Specifies which type of system this is. Used for setting path
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delimiters correctly.
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Required.
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-h, --help
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Prints this information.
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Optional.
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--debug [1-10]
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Controls verbosity of debugging output, 10 being most verbose.
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1 : same as --verbose.
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2 : includes function calls.
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3 : includes source and destination for each copy.
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Optional.
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-v, --verbose
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Print component names and files copied/deleted.
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Optional.
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e.g.
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$0 --os unix -source /builds/mozilla/dist --destination /h/lithium/install --os unix --verbose
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Note: options can be specified by either a leading '--' or '-'.
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EOC
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}
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# EOF
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