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gecko-dev/xpinstall/packager/xptzip.pl

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Perl
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#!/usr/bin/perl -w
#
# The contents of this file are subject to the Netscape Public
# License Version 1.1 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.mozilla.org/NPL/
#
# Software distributed under the License is distributed on an "AS
# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
# implied. See the License for the specific language governing
# rights and limitations under the License.
#
# The Original Code is Mozilla Communicator client code, released
# March 31, 1998.
#
# The Initial Developer of the Original Code is Netscape
# Communications Corporation. Portions created by Netscape are
# Copyright (C) 1998-1999 Netscape Communications Corporation. All
# Rights Reserved.
#
# Contributor(s):
# Jonathan Granrose (granrose@netscape.com)
# Jean-Jacques Enser (jj@netscape.com)
# John Bandhauer (jband@netscape.com)
# xptzip.pl -
#
# traverse directories created by pkgcp.pl and merge multiple .xpt files into
# a single .zip file to improve startup performance and memory footprint.
#
# load modules
use Cwd;
#use File::Basename;
#use File::Copy;
#use File::Find;
#use File::Path;
#use File::stat;
use Getopt::Long;
# initialize variables
$saved_cwd = cwd();
$component = ""; # current component being copied
$PD = ""; # file Path Delimiter ( /, \, or :)
$bindir = ""; # directory for xpt files ("bin" or "viewer")
$srcdir = ""; # root directory being copied from
$destdir = ""; # root directory being copied to
$os = ""; # os type (MSDOS, Unix)
$verbose = 0; # shorthand for --debug 1
$debug = 0; # controls amount of debug output
$help = 0; # flag: if set, print usage
# get command line options
$return = GetOptions( "source|s=s", \$srcdir,
"destination|d=s", \$destdir,
"os|o=s", \$os,
"help|h", \$help,
"debug=i", \$debug,
"verbose|v", \$verbose,
"<>", \&do_badargument
);
# set debug level
if ($verbose && !($debug)) {
$debug = 1;
} elsif ($debug != 0) {
$debug = abs ($debug);
($debug >= 2) && print "debug level: $debug\n";
}
# check usage
if (! $return)
{
die "Error: couldn't parse command line options. See \'$0 --help' for options.\nExiting...\n";
} else {
check_arguments();
}
$xptdirs = (); # directories in the destination directory
$xptfiles = (); # list of xpt files found in current directory
$file = ""; # file from file list
$files = (); # file list for removing .xpt files
$cmdline = ""; # command line passed to system() call
$i = 0; # generic counter var
($debug >= 1) && print "\nZipiing .xpt files...\n";
($debug >= 2) && print "do_zip():\n";
# get list of directories on which to run zip
opendir (DESTDIR, "$destdir") ||
die "Error: could not open directory $destdir. Exiting...\n";
@xptdirs = sort ( grep (!/^\./, readdir (DESTDIR) ) );
($debug >= 4) && print "xptdirs: @xptdirs\n";
closedir (DESTDIR);
foreach $component (@xptdirs) {
($debug >= 1) && print "[$component]\n";
chdir ("$destdir$PD$component");
if (( $os eq "MacOS" && -d "$PD$bindir$PD"."components") || ( -d "$bindir$PD"."components")) {
if ( $os eq "MacOS" ) {
chdir (":$bindir$PD"."components") ;
} else {
chdir ("$bindir$PD"."components") ;
}
if (( -f "$component".".xpt" ) || ( -f ":$component".".xpt" )) {
warn "Warning: file ".$component.".xpt already exists.\n";
}
# create list of .xpt files in cwd
($debug >= 4) && print "opendir: $destdir$PD$component$PD$bindir$PD"."components\n";
opendir (COMPDIR, "$destdir$PD$component$PD$bindir$PD"."components") ||
die "Error: cannot open $destdir$PD$component$PD$bindir$PD"."components. Exiting...\n";
($debug >= 3) && print "Creating list of .xpt files...\n";
@files = sort ( grep (!/^\./, readdir (COMPDIR)));
foreach $file (@files) {
($debug >= 6) && print "$file\n";
if ( $file =~ /\.xpt$/ ) {
$xptfiles[$i] = $file;
$i++;
($debug >= 8) && print "xptfiles:\t@xptfiles\n";
}
}
closedir (COMPDIR);
# merge .xpt files into zip if we found any in the dir
if ( $#xptfiles >=1 ) {
if ( $os eq "MacOS" ) {
# XXXX what to do on Mac???
$cmdline = "'$srcdir$PD"."xpt_link' $component".".xpt.new"." @xptfiles";
} else {
$cmdline = "zip $component"."-xpt.zip"." @xptfiles";
}
($debug >= 4) && print "$cmdline\n";
system($cmdline);
# remove old .xpt files in the component directory if xpt_link succeeded
if (( -f "$component"."-xpt.zip" ) ||
(( -f "$PD$component"."-xpt.zip" ) && ( $os eq "MacOS" ))) {
($debug >= 2) && print "Deleting individual xpt files.\n";
foreach $file (@xptfiles) {
($debug >= 4) && print "\t$file";
unlink ("$destdir$PD$component$PD$bindir$PD"."components"."$PD$file") ||
warn "Warning: couldn't unlink file $file.\n";
($debug >= 4) && print "\t\tdeleted\n";
}
($debug >= 4) && print "\n";
} else {
die "Error: zip failed. Exiting...\n";
}
}
}
# reinitialize vars for next component
@xptfiles = ();
$i = 0;
}
($debug >= 1) && print "Zipping .xpt files completed.\n";
chdir ($saved_cwd);
exit (0);
#
# Check that arguments to script are valid.
#
sub check_arguments
{
my ($exitval) = 0;
($debug >= 2) && print "check_arguments():\n";
# if --help print usage
if ($help) {
print_usage();
exit (1);
}
# make sure required variables are set:
# check source directory
if ( $srcdir eq "" ) {
print "Error: source directory (--source) not specified.\n";
$exitval += 8;
} elsif ((! -d $srcdir) || (! -r $srcdir)) {
print "Error: source directory \"$srcdir\" is not a directory or is unreadable.\n";
$exitval = 1;
}
# check directory
if ( $destdir eq "" ) {
print "Error: destination directory (--destdir) not specified.\n";
$exitval += 8;
} elsif ((! -d $destdir) || (! -w $destdir)) {
print "Error: destination directory \"$destdir\" is not a directory or is not writeable.\n";
$exitval += 2;
}
# check OS == {mac|unix|dos}
if ($os eq "") {
print "Error: OS type (--os) not specified.\n";
$exitval += 8;
} elsif ( $os =~ /mac/i ) {
$os = "MacOS";
$PD = ":";
$bindir = "viewer";
($debug >= 4) && print " OS: $os\n";
} elsif ( $os =~ /dos/i ) {
$os = "MSDOS";
$PD = "\\";
$bindir = "bin";
($debug >= 4) && print " OS: $os\n";
} elsif ( $os =~ /unix/i ) {
$os = "Unix"; # can be anything but MacOS, MSDOS, or VMS
$PD = "/";
$bindir = "bin";
($debug >= 4) && print " OS: Unix\n";
} else {
print "Error: OS type \"$os\" unknown.\n";
$exitval += 16;
}
if ($exitval) {
print "See \'$0 --help\' for more information.\n";
print "Exiting...\n";
exit ($exitval);
}
}
#
# This is called by GetOptions when there are extra command line arguments
# it doesn't understand.
#
sub do_badargument
{
warn "Warning: unknown command line option specified: @_.\n";
}
#
# display usage information
#
sub print_usage
{
($debug >= 2) && print "print_usage():\n";
print <<EOC
$0
Traverse component directory specified and merge multiple existing
.xpt files into single new .zip file for improved startup time and
smaller runtime memory footprint.
Options:
-s, --source <directory>
Specifies the directory from which the component files were
copied. Typically, this will be the same directory used by
pkgcp.pl.
Required.
-d, --destination <directory>
Specifies the directory in which the component directories are
located. Typically, this will be the same directory used by
pkgcp.pl.
Required.
-o, --os [dos|unix]
Specifies which type of system this is. Used for setting path
delimiters correctly.
Required.
-h, --help
Prints this information.
Optional.
--debug [1-10]
Controls verbosity of debugging output, 10 being most verbose.
1 : same as --verbose.
2 : includes function calls.
3 : includes source and destination for each copy.
Optional.
-v, --verbose
Print component names and files copied/deleted.
Optional.
e.g.
$0 --os unix -source /builds/mozilla/dist --destination /h/lithium/install --os unix --verbose
Note: options can be specified by either a leading '--' or '-'.
EOC
}
# EOF
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