mc/vfs/extfs/deb.in

139 lines
3.1 KiB
Perl

#!/usr/bin/perl
#
# Written by Fernando Alegre <alegre@debian.org> 1996
#
# Applied patch by Dimitri Maziuk <emaziuk@curtin.edu.au> 1997
# (to handle new tar format)
#
# Modified by Fernando Alegre <alegre@debian.org> 1997
# (to handle both new and old tar formats)
#
#
# Copyright (C) 1997 Free Software Foundation
#
sub mcdebfs_list
{
#
# CAVEAT: Hard links are listed as if they were symlinks
# Empty directories do not appear at all
#
local($archivename)=@_;
chop($date=`LC_ALL=C date "+%b %d %Y %H:%M"`);
chop($info_size=`dpkg -I $archivename | wc -c`);
$install_size=length($pressinstall);
print "dr-xr-xr-x 1 root root 0 $date CONTENTS\n";
print "-r--r--r-- 1 root root $info_size $date INFO\n";
print "-r-xr--r-- 1 root root $install_size $date INSTALL\n";
if ( open(PIPEIN, "dpkg-deb -c $archivename |") )
{
while(<PIPEIN>)
{
split;
$perm=$_[0]; $owgr=$_[1]; $size=$_[2];
if($_[3] =~ /^\d\d\d\d\-/) { # New tar format
($year,$mon,$day) = split(/-/,$_[3]);
$month = ("Gee","Jan","Feb","Mar","Apr","May","Jun",
"Jul","Aug","Sep","Oct","Nov","Dec")[$mon] || "Gee";
$time=$_[4];
$pathindex=5;
}
else {
$month=$_[3];
$day=$_[4];
$time=$_[5];
$year=$_[6];
$pathindex=7;
}
$path=$_[$pathindex++];
$arrow=$_[$pathindex++];
$link=$_[$pathindex++];
$link2=$_[$pathindex++];
$owgr=~s!/! !;
next if $path=~m!/$!;
if($arrow eq 'link')
{
# report hard links as soft links
$arrow='->'; $link="/$link2";
substr($perm, 0, 1) = "l";
}
if($arrow ne '')
{
$arrow=' ' . $arrow;
$link= ' ' . $link;
}
print "$perm 1 $owgr $size $month $day $year $time CONTENTS/$path$arrow$link\n";
}
}
}
sub mcdebfs_copyout
{
local($archive,$filename,$destfile)=@_;
if($filename eq "INFO")
{
system("dpkg-deb -I $archive > $destfile");
}
elsif($filename eq "INSTALL")
{
if ( open(FILEOUT,">$destfile") )
{
print FILEOUT $pressinstall;
close FILEOUT;
system("chmod a+x $destfile");
}
}
else
{
$filename=~s!^CONTENTS/!!;
system("dpkg-deb --fsys-tarfile $archive | tar xOf - $filename > $destfile");
}
}
sub mcdebfs_run
{
local($archive,$filename)=@_;
if($filename eq "INSTALL")
{
print "Installing $archive\n";
system("dpkg -i $archive");
}
else
{
# FIXME: TMP RACE
$tmpcmd="/tmp/mcdebfs.run.$$";
&mcdebfs_copyout($archive, $filename, $tmpcmd);
system("chmod u+x $tmpcmd");
system($tmpcmd);
unlink($tmpcmd);
}
}
$pressinstall=<<EOInstall;
WARNING
Don't use this method if you are not willing to reinstall everything...
This is not a real file. It is a way to install the package you are browsing.
To install this package go back to the panel and press Enter on this file.
In Debian systems, a package is automatically upgraded when you install a new
version of it. There is no special upgrade option. Install always works.
EOInstall
if($ARGV[0] eq "list") { shift; &mcdebfs_list(@ARGV); exit 0; }
elsif($ARGV[0] eq "copyout") { shift; &mcdebfs_copyout(@ARGV); exit 0; }
elsif($ARGV[0] eq "run") { shift; &mcdebfs_run(@ARGV); exit 0; }
exit 1;