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- #! /usr/bin/perl --
- # This script is only supposed to be called by dpkg-split.
- # Its arguments are:
- # <sourcefile> <partsize> <prefix> <totalsize> <partsizeallow> <msdostruncyesno>
- # Stdin is also redirected from the source archive by dpkg-split.
-
- # Copyright (C) 1995 Ian Jackson <ijackson@nyx.cs.du.edu>
- #
- # This is free software; you can redistribute it and/or modify
- # it under the terms of the GNU General Public License as
- # published by the Free Software Foundation; either version 2,
- # or (at your option) any later version.
- #
- # This is distributed in the hope that it will be useful, but
- # WITHOUT ANY WARRANTY; without even the implied warranty of
- # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- # GNU General Public License for more details.
- #
- # You should have received a copy of the GNU General Public
- # License along with dpkg; if not, write to the Free Software
- # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
- @ARGV == 6 || die "mksplit: bad invocation\n";
-
- ($sourcefile,$partsize,$prefix,$orgsize,$partsizeallow,$msdos) = @ARGV;
-
- sub output {
- $!=0; $rv= `$_[0]`; $? && die "mksplit $_[0]: $! $?\n";
- $rv =~ s/\n$//; $rv =~ s/\s+$//; $rv =~ s/^\s+//;
- $rv;
- }
-
- $myversion='2.1';
- $csum= &output("md5sum <\"$sourcefile\"");
- $package= &output("dpkg-deb --field \"$sourcefile\" Package");
- $version= &output("dpkg-deb --field \"$sourcefile\" Version");
- $revision= &output("dpkg-deb --field \"$sourcefile\" Package_Revision");
- $version.= "-$revision" if length($revision);
- $nparts=int(($orgsize+$partsize-1)/$partsize);
- $startat=0;
- $showpartnum=1;
-
- $|=1;
- print("Splitting package $package into $nparts parts: ");
-
- $msdos= ($msdos eq 'yes');
- if ($msdos) {
- $prefixdir= $prefix; $prefixdir =~ s:(/?)/*[^/]+$:$1:;
- $cleanprefix= $prefix; $cleanprefix =~ s:^.*/+::;
- $cleanprefix =~ y/A-Za-z0-9+/a-za-z0-9x/;
- $cleanprefix =~ y/a-z0-9//cd;
- }
-
- sub add {
- $data .=
- sprintf("%-16s%-12d0 0 100644 %-10d%c\n%s%s",
- $_[0], time, length($_[1]), 0140, $_[1],
- (length($_[1]) & 1) ? "\n" : "");
- }
-
- while ($startat < $orgsize) {
- $dsp= "$myversion\n$package\n$version\n$csum\n$orgsize\n$partsize\n".
- "$showpartnum/$nparts\n";
- defined($thispartreallen= read(STDIN,$pd,$partsize)) || die "mksplit: read: $!\n";
- $data= "!<arch>\n";
- print("$showpartnum ");
- &add('debian-split',$dsp);
- &add("data.$showpartnum",$pd);
- if ($thispartreallen > $partsizeallow) {
- die "Header is too long, making part too long. Your package name or version\n".
- "numbers must be extraordinarily long, or something. Giving up.\n";
- }
- if ($msdos) {
- $basename= "${showpartnum}of$nparts.$cleanprefix";
- $basename= substr($basename,0,9);
- $basename =~ s/^([^.]*)\.(.*)$/$2$1/;
- $basename= "$prefixdir$basename";
- } else {
- $basename= "$prefix.${showpartnum}of$nparts";
- }
- open(O,"> $basename.deb") || die("mksplit: open $basename.deb: $!\n");
- print(O $data) || die("mksplit: write $basename.deb: $!\n");
- close(O) || die("mksplit: close $basename.deb: $!\n");
- $startat += $partsize;
- $showpartnum++;
- }
- print("done\n");
-
- exit(0);
-