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			770 lines
		
	
	
		
			23 KiB
		
	
	
	
		
			Perl
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			770 lines
		
	
	
		
			23 KiB
		
	
	
	
		
			Perl
		
	
	
		
			Executable File
		
	
	
	
	
#!/usr/bin/perl -w
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#    make_debian Copyright (C) 2001, 2002 from gBootRoot
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#    Lead Developer and Project Coordinator
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#    Jonathan Rosenbaum <freesource@users.sourceforge.net>
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#
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#    http://gbootroot.sourceforge.net
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#    This program is free software; you can redistribute it and/or modify
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#    it under the terms of the GNU General Public License as published by
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#    the Free Software Foundation; either version 2 of the License, or
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#    (at your option) any later version.
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#    This program is distributed in the hope that it will be useful,
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#    but WITHOUT ANY WARRANTY; without even the implied warranty of
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#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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#    GNU General Public License for more details.
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#    You should have received a copy of the GNU General Public License
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#    along with this program; if not, write to the Free Software
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#    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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# You will need to get dswim at http://www.sourceforge.net/projects/avd
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my $home = "$ENV{HOME}/.gbootroot";
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my $home_yard = "$home/yard";
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my $template_dir = "$home_yard/templates/";
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my $home_yard_replacements = "$home_yard/Replacements";
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my $nodename = `uname -n`; chomp $nodename;
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my $debian_yard = "Debian-$nodename.yard";
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my $status = "/var/lib/dpkg/status";
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my $info = "/var/lib/dpkg/info";
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my (%alternatives, @alternatives); # for checking for alternatives
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my %inetd; # checks for inetd binaries.
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# You need file-rc, and you may add other extra stuff (@extra_packages).  
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# These packages were chosen for woody, so you may need something different.  
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# If you add stuff, check for dependencies, empty directories and special 
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# configuration files created by the package scripts.
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#
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# You may have to edit the text below STUFF, i.e. the template.
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#
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# Dswim provides excellent information for this task.  swim -qT packagename(s)
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# & swim -ql --df packagename(s) & swim -qc packagename(s) (not all conf files 
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# can  be found this way .. read above) so you will want to use 
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# swim -q --scripts packagename(s) or 
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# swim -q --preinst --postinst packagenames(s).
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# EDIT HERE
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my @extra_packages = qw(file-rc dswim apt apt-utils debconf nvi sysklogd
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klogd netbase tcpd net-tools portmap netkit-ping netkit-inetd ifupdown less 
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perl perl-modules libwrap0 ipchains whiptail libnewt0 libpopt0 debconf-utils
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libterm-readline-gnu-perl);
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# NEXT EDIT TEMPLATE 
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#################################################################
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#################################################################
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#           
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#     EDIT
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#    TEMPLATE
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#     BELOW 
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#  
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# Edit below $stuff = << "STUFF" to make changes to the template. 
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sub stuff {
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my $stuff = << "STUFF";
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$Id
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# Generated by make_debian.
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# This template creates a complete Debian system which is more streamlined 
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# than the base.tgz used for normal installations.  Once everything is made, 
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# you can use user-mode-linux and apt to tweak the system. 
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# Make-debian generates all the information you need.  You will need dswim and 
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# file-rc installed, and you will have to be running a Debian system to make 
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# this template.  Make_debian ditches info, man, and doc files by default
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# and timezone info not found on the host system, but gives you the choice
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# to decide otherwise.  
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# Characteristics:  user: root passwd: root 
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#                   user: user passwd: user
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#                   Uses devfs.
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# IMPORTANT NOTE:  Things slow down noticeably when the buffer gets too big in
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# the verbosity box so consider closing it with the slider for faster 
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# generation.  There are several ways to accomplish this:  
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# Choose Edit->Stages->"user defined" and go one stage at a time, closing 
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# the verbosity box with the slider bar between each stage, and then 
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# reopen the verbosity box.  If the stage is particularly long, you 
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# can toggle the slider bar to close the verbosity box and reopen it
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# again clearing the buffer in the process.  You may choose a lower 
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# verbosity level, or you may keep the verbosity box off altogether and
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# look at /tmp/gbootroot_tmp'time-date'/verbose or 
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# /tmp/gboot_non_root_`id -u`/verbose (normal user).
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# Todays Quote: Creating a root filesystem is all about stuff.
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# The STUFF NEEDED in order for init to work.
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/etc/runlevel.conf <=  Replacements/etc/runlevel.conf # made by make_debian
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/etc/init.d/rc
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/etc/init.d/rcS
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/etc/inittab <= Replacements/etc/inittab.debian # specific to devfs
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/etc/default/rcS
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# Stuff needed to return init to its state prior to installing file-rc.
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/etc/init.d/rc.links
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/etc/init.d/rcS.links 
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/usr/sbin/update-rc.d.links
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# Login stuff 
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/etc/securetty <= Replacements/etc/securetty.debian # devfs needs this
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/root/.bashrc <= Replacements/root/.bashrc.debian
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/root/.profile <= Replacements/root/.profile.debian
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/home/user/.bashrc <= Replacements/home/user/.bashrc.debian
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/home/user/.bash_profile <= Replacements/home/user/.bash_profile.debian
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/home/user/README <= Replacements/home/user/README # permissions issue
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/etc/hostname <= Replacements/etc/hostname
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/etc/motd <= Replacements/etc/motd
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# Important stuff  .. you will need to edit the login files if you add packages
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# which require other users/groups.  The default fstab mounts /dev/ubd/0.
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#/etc/fstab <=  Replacements/etc/fstab.new # Made from Yard Box menu
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/etc/fstab <=  Replacements/etc/fstab.debian # devfs specific
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/etc/passwd <= Replacements/etc/passwd.debian
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/etc/passwd- <= Replacements/etc/passwd-debian
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/etc/group <= Replacements/etc/group.debian
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/etc/group- <= Replacements/etc/group-debian
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/etc/shadow <= Replacements/etc/shadow.debian
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# The stuff required by dpkg.
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/var/lib/dpkg/diversions <= Replacements/var/lib/dpkg/diversions
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/var/lib/dpkg/cmethopt
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/var/lib/dpkg/lock
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/var/lib/dpkg/status <=  Replacements/var/lib/dpkg/status
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/var/lib/dpkg/methods/disk
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/var/lib/dpkg/methods/floppy
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/var/lib/dpkg/methods/mnt
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/var/lib/dpkg/info
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/var/lib/dpkg/updates
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/var/lib/dpkg/alternatives
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/var/lib/dpkg/available <= Replacements/var/lib/dpkg/available
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# Stuff needed by apt.
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/var/cache/apt/archives/lock
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/var/cache/apt/archives/partial
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/var/lib/apt/lists/lock
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/var/lib/apt/lists/partial
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/etc/apt/*
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# Timezone data from libc6
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/usr/share/zoneinfo/localtime
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# Debconf stuff
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/var/cache/debconf
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# Ipchains stuff
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/etc/default/ipchains
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# Netkit-inetd stuff
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/etc/inetd.conf <= Replacements/etc/inetd.conf
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# Tcpd stuff
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/etc/hosts.allow
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/etc/hosts.deny
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# Network stuff
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#
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# You will want to edit the /etc/network/interfaces file.
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# Make sure your host system kernel has the proper capabilities compiled
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# or the appropriate module, for instance if tap is used you need the 
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# ethertap and netlink_dev modules.
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#
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# And when you start your creation with the uml box you will want to add
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# something like this to the options where HWaddr (see ifconfig) belongs
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# to your network device:
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#
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# eth0=ethertap,tap0,HWaddr,192.168.1.5
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#
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/etc/resolv.conf 
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/etc/hosts <= Replacements/etc/hosts
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/root/umlnet <= Replacements/root/umlnet # Example network setup script
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/etc/networks <= Replacements/etc/networks
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/etc/network/if-down.d      # empty
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/etc/network/if-post-down.d # ""
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/etc/network/if-pre-up.d    # ""
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/etc/network/if-up.d        # ""
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/etc/network/interfaces <= Replacements/etc/network/interfaces
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/etc/network/options
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/etc/network/spoof-protect
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# Devices - leaving a console (just in case) and MAKEDEV if you
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# want to make devices which will only exist until you reboot or halt
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# the system.  If you need devices which last from one invocation to
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# the next, install devfsd and edit /etc/devfs/devices. 
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/dev/MAKEDEV # a link
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/dev/console
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#  Empty directories with no stuff.
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/dev # paranoid check
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/mnt        
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/proc               
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/tmp                
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/var/tmp
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/var/run
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/var/lock
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/var/log/news
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/var/lib/locate
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/var/backups
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# Stuff so ldconfig creates all the proper dependencies.
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/etc/ld.so.conf <= Replacements/etc/ld.so.conf
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#  User-Mode-Linux modules stuff
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#
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#  These are modules compiled for the uml kernel version
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#  included with gbootroot.  Choose 2.2 or 2.4 depending on
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#  which kernel series your are using with your live host system.
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#  You may either include the modules archive with the root 
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#  filesystem as a replacement and "tar xvf", or untar the
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#  modules archive from the host system by mounting it 
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#  with "mount -t hostfs none -o \ 
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#  /usr/lib/bootroot/yard/Replacements/lib/modules /mnt" 
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#  and then "tar xvf /mnt/modules-2.4.tar -C /".
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#
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#  Then "depmod -ae -F /proc/ksyms" from the running uml kernel.
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#
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#
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#/modules-2.2.tar  <=  Replacements/lib/modules/modules-2.2.tar  
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#/modules-2.4.tar  <=  Replacements/lib/modules/modules-2.4.tar
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## ALL the REQUIRED files generated by make-debian.
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## This is stuff from the required packages, so some files may be
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## removed, or some files can be replaced with stuff from say .. busybox.
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STUFF
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return $stuff;
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} # end sub stuff
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# STOP EDITING
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#################################################################
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#################################################################
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#########################################
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## Collect Information from the System ##
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#########################################
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use strict;
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use File::Basename;
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my $rm = "\$";
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$main::Id = "# \$Id: make_debian,v 1.61 2001/12/14 04:37:29 freesource Exp $rm"; 
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my $sbin = grep(/\/usr\/sbin/,$ENV{'PATH'});
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if ($sbin == 0) {
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    $ENV{'PATH'} = "/usr/sbin:" . $ENV{'PATH'};
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}
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# Before starting make sure dswim and file-rc are present.
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start_up();
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print STDERR "Required packages:\n";
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system "swim --search \"Priority: required\" --no";
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my $swim_packages = "swim -qS|";
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my $swim_list = "swim -qSl|"; # Not using --df for empty directories.
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$, = " ";
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my $extra_files = "swim -ql @extra_packages|"; # Not using --df.
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$, = "";
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# All the packages
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open(SWIM,$swim_packages) or die "Couldn't open swim_packages: $?\n";
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my @required_packages = <SWIM>; chomp @required_packages;
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close(SWIM);
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# All the files
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open(SWIM,$swim_list) or die "Couldn't open swim_list: $!\n";
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my @required_files = <SWIM>; chomp @required_files;
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close(SWIM);
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open(SWIM,$extra_files) or die "Couldn't open extra_files: $!\n";
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my @extra_files = <SWIM>; chomp @extra_files;
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close(SWIM);
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push(@required_files,@extra_files);
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###################
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## Package Check ##
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###################
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# Better tell the user what required and extra packages don't exist.
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# It is 100% unlikely that a required package is missing because
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# the information is taken directly from the system. But it is fun
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# to test for anyways, weirder things have been known to happen.
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my @rpc;
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$/ = "";
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my @required_stuff = `swim -qi @required_packages`;
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$/ = "\n";
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foreach my $package_info (@required_stuff) {
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    $package_info =~ /^package[:]*\s+([-\+\d\w]+)/i;
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    my $p = $1;
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    $p =~ s/\+/\\+/g if $p !~ /\\+/g;
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    if ( grep(/Status: deinstall|Status: purge|package $p is not installed/,
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	     $package_info ) == 1 ) {
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	$p =~ s/\\//g if $p =~ /\\+/g;
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	push( @rpc, $p ); 
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    }    
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}
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if (@rpc) {
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    print STDERR "These are the required packages which were specified:\n\n";
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    $, = " ";
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    print STDERR @required_packages, "\n\n";
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    print STDERR "This is what wasn't installed on your system:\n\n";
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    print STDERR @rpc , "\n\n";
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    $, = "";
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}
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my @epc;
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$/ = "";
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my @extra_stuff = `swim -qi @extra_packages`;
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$/ = "\n";
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foreach my $package_info (@extra_stuff) {
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    $package_info =~ /^package[:]*\s+([-\+\d\w]+)/i;
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    my $p = $1;
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    $p =~ s/\+/\\+/g if $p !~ /\\+/g;
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    if ( grep(/Status: deinstall|Status: purge|package $p is not installed/,
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	     $package_info ) == 1 ) {
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	$p =~ s/\\//g if $p =~ /\\+/g;
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	push( @epc, $p ); 
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    }    
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}
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if (@epc) {
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    print STDERR "These are the extra packages which were specified:\n\n";
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    $, = " ";
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    print STDERR @extra_packages, "\n\n";
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    print STDERR "This is what wasn't installed on your system:\n\n";
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    print STDERR @epc , "\n\n";
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    $, = "";
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}
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push(@required_packages,@extra_packages);
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#######################
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## Template Creation ##
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#######################
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# Ask some questions first.
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my $doc_reply = "nothing";
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print "The default is to remove /usr/share/{doc,man,info}? [yes or no]: ";
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while (<STDIN>) {
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    $doc_reply = $_;
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    last if $doc_reply eq "yes\n";
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    last if $doc_reply eq "no\n";
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    if ($doc_reply eq "\n") { $doc_reply = "yes\n"; last; }
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    if ($doc_reply ne "yes\n" || $doc_reply  ne "no\n") { 
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	print "The default is to remove /usr/share/{doc,man,info}? [yes or no]: ";
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    }
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}
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print "\nThe default is to remove everything in /usr/share/zoneinfo\n" .
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    "except for your local settings found in /etc/localtime? [yes or no]: ";
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my $localtime_reply = "nothing";
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while (<STDIN>) {
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    $localtime_reply = $_;
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    last if $localtime_reply eq "yes\n";
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    last if $localtime_reply eq "no\n";
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    if ($localtime_reply eq "\n") { $localtime_reply = "yes\n"; last; }
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    if ($localtime_reply ne "yes\n" || $localtime_reply  ne "no\n") { 
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	print "The default is to remove everything in /usr/share/zoneinfo\n" .
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	    "except for your local settings found in /etc/locatime? [yes or no]: ";
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    }
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}
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system "rm -f $template_dir/$debian_yard";
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open(DEBIAN,">$template_dir/$debian_yard") 
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	or die "Couldn't open $template_dir$debian_yard: $!\n";
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open(FILERC,"/etc/runlevel.conf") or die "No runlevel.conf: $!\n";
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my @filerc = <FILERC>;
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close(FILERC);
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print DEBIAN stuff();
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my @file_rc;
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alternatives();
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inetd_in();
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foreach (@required_files) {
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    if (-e && !-d) {
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	if ($doc_reply eq "no\n") {
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	    if ($alternatives{$_}) {
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		push(@alternatives,$_);
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	    }
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	    if ($inetd{$_}) {
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		$inetd{$_} = 1;
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	    }
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	    if ($localtime_reply eq "yes\n") {
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		    print DEBIAN "$_\n" if ! m,/usr/share/zoneinfo,;
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	    }
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	    else {
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		print DEBIAN "$_\n";
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	    }
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	}
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	else {
 | 
						|
	    if (! m,/usr/share/info|/usr/share/man|/usr/share/doc|/usr/X11R6/man,) {
 | 
						|
		if ($alternatives{$_}) {
 | 
						|
		    push(@alternatives,$_);
 | 
						|
		}
 | 
						|
		if ($inetd{$_}) {
 | 
						|
		    $inetd{$_} = 1;
 | 
						|
		}
 | 
						|
		if ($localtime_reply eq "yes\n") {
 | 
						|
		    print DEBIAN "$_\n" if ! m,/usr/share/zoneinfo,;
 | 
						|
		}
 | 
						|
		else {
 | 
						|
		    print DEBIAN "$_\n";
 | 
						|
		}
 | 
						|
	    }
 | 
						|
	}
 | 
						|
	if (m,/etc/init\.d,) {
 | 
						|
	    foreach my $filerc (@filerc) {
 | 
						|
		     push(@file_rc,$filerc) if $filerc =~ /$_/;		
 | 
						|
	    }
 | 
						|
	}		   
 | 
						|
    }
 | 
						|
}
 | 
						|
inetd_out();
 | 
						|
 | 
						|
print DEBIAN "\n# Scripts associated with packages found in info/*\n";
 | 
						|
print DEBIAN status_info_divert();
 | 
						|
 | 
						|
# alternatives
 | 
						|
print DEBIAN "\n# Alternative stuff.\n";
 | 
						|
foreach (@alternatives) {
 | 
						|
    if ($alternatives{$_}) {
 | 
						|
	foreach my $alt ( 0 .. $#{ $alternatives{$_} } ) {
 | 
						|
	    print DEBIAN "/etc/alternatives/", 
 | 
						|
	    $alternatives{$_}[$alt], "\n";
 | 
						|
	    print DEBIAN "/var/lib/dpkg/alternatives/", 
 | 
						|
	    $alternatives{$_}[$alt], "\n";
 | 
						|
	    print DEBIAN dirname($_), "/", 
 | 
						|
	    $alternatives{$_}[$alt], "\n";
 | 
						|
	}
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
close(DEBIAN);
 | 
						|
print  STDERR "All done making your $debian_yard template.\n";
 | 
						|
 | 
						|
#########################
 | 
						|
# END TEMPLATE CREATION #
 | 
						|
#########################
 | 
						|
 | 
						|
# This creates a tweaked runlevel.conf which is easier then trying to figure
 | 
						|
# out which symlinks to use in /etc/rc?d.
 | 
						|
 | 
						|
open(MY_FILERC,">$home_yard_replacements/etc/runlevel.conf") 
 | 
						|
    or die "Couldn't open $home_yard_replacements/etc/runlevel.conf: $!\n"; 
 | 
						|
my @sortedrc = map { $_->[1] }
 | 
						|
sort { $a->[0] <=> $b->[0] }
 | 
						|
map { [ (split(/\s/,$_))[0], $_ ] }
 | 
						|
@file_rc;
 | 
						|
print MY_FILERC "$main::Id\n";
 | 
						|
print MY_FILERC "# GENERATED BY MAKE_DEBIAN\n\n";
 | 
						|
print MY_FILERC @sortedrc;
 | 
						|
close(MY_FILERC);
 | 
						|
 | 
						|
# This creates a status file for use by dpkg and swim.
 | 
						|
# Although swim could be used to do this, it is more efficient just to
 | 
						|
# parse the status file.  But because this is a good exercise for
 | 
						|
# using this script to create a status file found from packages on a system 
 | 
						|
# which doesn't actually have a status file .. here would be the order 
 | 
						|
# needed when using swim to query:
 | 
						|
#
 | 
						|
# Package, Status, Priority, Section, Installed-Size, Maintainer, Source, 
 | 
						|
# Version, Replaces, Provides, Depends, Pre-Depends, Recommends, Suggests,
 | 
						|
# Conflicts, Conffiles, Description.
 | 
						|
#
 | 
						|
# Conffiles would have to be handled both before and after Root Filesystem
 | 
						|
# creation so that their md5sums could be accounted for in status.
 | 
						|
#
 | 
						|
# And this finds all the scripts associated with a package in info/*,
 | 
						|
# creates an empty available file, and creates the diversions file.
 | 
						|
 | 
						|
sub status_info_divert {
 | 
						|
 | 
						|
$/ = "";
 | 
						|
open(STATUS,"$status") or die "Can't find /var/lib/dpkg/status: $!\n";
 | 
						|
home_builder("$home_yard_replacements/var/lib/dpkg");
 | 
						|
system "touch $home_yard_replacements/var/lib/dpkg/available";
 | 
						|
    #or die "Couldn't create Replacements/var/lib/dpkg/available: $!\n";
 | 
						|
open(NEW_STATUS,">$home_yard_replacements/var/lib/dpkg/status")
 | 
						|
    or die "Couldn't open $home_yard_replacements/var/lib/dpkg/status: $!\n";
 | 
						|
while (<STATUS>) { # keep the order
 | 
						|
    my $stat = $_;
 | 
						|
    my $stat2 = (split(/\n/,$stat))[0]; # might as well
 | 
						|
    foreach my $rp (@required_packages) {
 | 
						|
	$rp = (split(/_/,$rp))[0];
 | 
						|
	# Deal with names with +
 | 
						|
	$rp =~ s/\+/\\+/g if $rp !~ /\\+/g;
 | 
						|
	if ($stat2 =~ /^Package: $rp$/) {
 | 
						|
	    print NEW_STATUS $stat;
 | 
						|
	} 
 | 
						|
    }
 | 
						|
}
 | 
						|
close(NEW_STATUS);
 | 
						|
close(STATUS);
 | 
						|
$/ = "\n";
 | 
						|
 | 
						|
my %dpkg_divert;
 | 
						|
my $dpkg_divert = "dpkg-divert --list|";
 | 
						|
open(DIVERT,"$dpkg_divert") 
 | 
						|
    or die "Couldn't find the dpkg-divert command: $!\n";
 | 
						|
while (<DIVERT>) {
 | 
						|
    
 | 
						|
    my($original,$diversion,$package) = (split(" "))[2,4,6];
 | 
						|
    chomp $package;
 | 
						|
    if (!$dpkg_divert{$package}) { # Just add to the array
 | 
						|
	$dpkg_divert{$package} = [$original,$diversion];	
 | 
						|
    }
 | 
						|
    else {
 | 
						|
	push @{ $dpkg_divert {$package} }, $original, $diversion;
 | 
						|
    }
 | 
						|
 | 
						|
}
 | 
						|
close(DIVERT) or die "Couldn't close: $!\n";
 | 
						|
 | 
						|
open(DIVERT,">$home_yard_replacements/var/lib/dpkg/diversions")
 | 
						|
    or die "Couldn't open Replacements/var/lib/dpkg/diversions: $!\n";
 | 
						|
my @info;
 | 
						|
foreach my $rp (@required_packages) {
 | 
						|
    $rp = (split(/_/,$rp))[0];
 | 
						|
    # Get rid of the escapes from the previous invocation.
 | 
						|
    $rp =~ s/\\//g if $rp =~ /\\+/g;
 | 
						|
 | 
						|
    my $count = 0; my @divert;
 | 
						|
    if ($dpkg_divert{$rp}) {
 | 
						|
            foreach my $dv ( @{ $dpkg_divert{$rp} } ) {
 | 
						|
		push(@divert,$dv);
 | 
						|
		if ($count == 1) {
 | 
						|
		    print DIVERT "$divert[0]\n";
 | 
						|
		    print DIVERT "$divert[1]\n";
 | 
						|
		    print DIVERT "$rp\n";
 | 
						|
		    $count = -1; undef @divert;
 | 
						|
		}
 | 
						|
		$count++;
 | 
						|
            }
 | 
						|
    }
 | 
						|
 | 
						|
    # Figure out info/*  .. this covers it for now.
 | 
						|
    if (-f "$info/$rp.preinst") {
 | 
						|
	push(@info,"$info/$rp.preinst\n");
 | 
						|
    }
 | 
						|
    if (-f "$info/$rp.postinst") {
 | 
						|
	push(@info,"$info/$rp.postinst\n");        
 | 
						|
    }
 | 
						|
    if (-f "$info/$rp.prerm") {
 | 
						|
	push(@info,"$info/$rp.prerm\n");        
 | 
						|
    }
 | 
						|
    if (-f "$info/$rp.postrm") {
 | 
						|
	push(@info,"$info/$rp.postrm\n");        
 | 
						|
    }
 | 
						|
    if (-f "$info/$rp.list") {
 | 
						|
	push(@info,"$info/$rp.list\n");        
 | 
						|
    }
 | 
						|
    if (-f "$info/$rp.shlibs") {
 | 
						|
	push(@info,"$info/$rp.shlibs\n");        
 | 
						|
    }
 | 
						|
    if (-f "$info/$rp.conffiles") {
 | 
						|
	push(@info,"$info/$rp.conffiles\n");        
 | 
						|
    }
 | 
						|
    if (-f "$info/$rp.md5sums") {
 | 
						|
	push(@info,"$info/$rp.md5sums\n");        
 | 
						|
    }
 | 
						|
    if (-f "$info/$rp.config") {
 | 
						|
	push(@info,"$info/$rp.config\n");        
 | 
						|
    }
 | 
						|
    if (-f "$info/$rp.templates") {
 | 
						|
	push(@info,"$info/$rp.templates\n");        
 | 
						|
    }
 | 
						|
 | 
						|
}
 | 
						|
close(DIVERT);
 | 
						|
 | 
						|
return @info;
 | 
						|
 | 
						|
} # end sub status_info_divert
 | 
						|
 | 
						|
sub alternatives {
 | 
						|
 | 
						|
    my $ls = "ls -l /etc/alternatives|";
 | 
						|
    my @ls;
 | 
						|
    open(LS,$ls) or die "No ls?: $!\n";
 | 
						|
    while (<LS>) {
 | 
						|
	if (/->/) {
 | 
						|
	    my($left,$right) = split(" -> ");
 | 
						|
	    chomp $right; 
 | 
						|
	    # Yard adds this stuff.
 | 
						|
	    $right =~ s/\.\.\/\.\.//g; 
 | 
						|
 | 
						|
	    $left =~ s/^.*\d+\s//g;
 | 
						|
	    if (!$alternatives{$right}) {
 | 
						|
		$alternatives{$right} = [$left]; 
 | 
						|
	    }
 | 
						|
	    else {
 | 
						|
		push @{ $alternatives {$right} }, $left;
 | 
						|
	    }
 | 
						|
	}
 | 
						|
    }
 | 
						|
    close(LS);
 | 
						|
 | 
						|
} # end sub alternatives
 | 
						|
 | 
						|
sub inetd_in {
 | 
						|
    
 | 
						|
    my $inetd = "/etc/inetd.conf";
 | 
						|
    open(INETD,"$inetd") or return "Couldn't open /etc/inetd.conf: $!\n";
 | 
						|
    # Basically will ignore anything with less than 7 columns, and
 | 
						|
    # will comment lines where the executables don't exist.
 | 
						|
    while (<INETD>) {
 | 
						|
	if ( (split(/\s+/))[6] && !/^#.*/ ) {
 | 
						|
	     my $seventh_column = (split(/\s+/))[6]; 
 | 
						|
	     chomp $seventh_column;
 | 
						|
	     $inetd{ basename($seventh_column) } = 0;
 | 
						|
	 }
 | 
						|
    }
 | 
						|
    close(INETD);
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
sub inetd_out {
 | 
						|
 | 
						|
    my $inetd = "/etc/inetd.conf";
 | 
						|
    open(REP_INETD,">$home_yard_replacements/etc/inetd.conf") 
 | 
						|
	or return "Couldn't open Replacements/etc/inetd.conf: $!\n";
 | 
						|
    open(INETD,"$inetd") or return "Couldn't open /etc/inetd.conf: $!\n";
 | 
						|
    print REP_INETD "$main::Id\n";
 | 
						|
    print REP_INETD "# GENERATED BY MAKE_DEBIAN\n\n";
 | 
						|
    while (<INETD>) {
 | 
						|
	if ( (split(/\s+/))[6] && !/^#.*/ ) {
 | 
						|
	     my $seventh_column = (split(/\s+/))[6]; 
 | 
						|
	     chomp $seventh_column;
 | 
						|
	     if ( $inetd{ basename($seventh_column) } == 1 ) {
 | 
						|
		 print REP_INETD $_;
 | 
						|
	     }
 | 
						|
	     else {
 | 
						|
		 print REP_INETD "# $_";
 | 
						|
	     }
 | 
						|
	}
 | 
						|
	else {
 | 
						|
	    print REP_INETD $_;
 | 
						|
	}
 | 
						|
    }
 | 
						|
    close(REP_INETD);
 | 
						|
    close(INETD);
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
sub home_builder {
 | 
						|
 | 
						|
    my ($home_builder) = @_; 
 | 
						|
 | 
						|
    if (!-d $home_builder) {
 | 
						|
	if (-e $home_builder) {
 | 
						|
	    print "ERROR: A file exists where $home_builder should be.\n";
 | 
						|
	}	
 | 
						|
	else {
 | 
						|
	    my @directory_parts = split(m,/,,$home_builder);
 | 
						|
	    my $placement = "/";
 | 
						|
	    for (1 .. $#directory_parts) {
 | 
						|
		$_ == 1 ? ($placement = "/$directory_parts[$_]")
 | 
						|
		    : ($placement = $placement . "/" . $directory_parts[$_]);
 | 
						|
		-d $placement or mkdir $placement;
 | 
						|
	    }
 | 
						|
	}
 | 
						|
    }
 | 
						|
 | 
						|
} # end home_builder
 | 
						|
 | 
						|
# The least important function,
 | 
						|
# so therefore probably the most important function.
 | 
						|
sub start_up {
 | 
						|
 | 
						|
    # existence of dpkg
 | 
						|
    if (!-f "/usr/bin/dpkg") {
 | 
						|
	die "You are not using a Debian system, in the future this " .
 | 
						|
	   "may be supported, but for now you need living Debian.\n";
 | 
						|
    }
 | 
						|
 | 
						|
    # Swim has never been installed before?
 | 
						|
    my $dpkg_result = system "dpkg -l swim >/dev/null 2>&1";
 | 
						|
    if ($dpkg_result != 0) {
 | 
						|
	die "Dswim is required:\n\n" .
 | 
						|
            "Add one of these lines to your /etc/apt/sources.list:\n" .
 | 
						|
	    "deb http://prdownloads.sourceforge.net/avd ./  or\n" .
 | 
						|
	    "deb http://download.sourceforge.net/avd ./\n\n" .
 | 
						|
            "Then do `apt-get update` and `apt-get install dswim`\n" .
 | 
						|
            "";
 | 
						|
    }
 | 
						|
 | 
						|
    # Swim has been installed but is removed or purged
 | 
						|
    my $dpkg_s = "dpkg -s dswim|";
 | 
						|
    open(DPKG,"$dpkg_s") or die "Couldn't find dpkg: $!\n";
 | 
						|
    while (<DPKG>) {
 | 
						|
	if (/Status:/) {
 | 
						|
	    if (!/\s+installed/) {
 | 
						|
		if (/purge|deinstall/) {
 | 
						|
		    die "Dswim needs to be reinstalled:\n\n" .
 | 
						|
	       "Add one of these lines to your /etc/apt/sources.list:\n" .
 | 
						|
	       "deb http://prdownloads.sourceforge.net/avd ./  or\n" .
 | 
						|
	       "deb http://download.sourceforge.net/avd ./\n\n" .
 | 
						|
	       "Then do `apt-get update` and `apt-get install dswim`\n" .
 | 
						|
            "";
 | 
						|
		}
 | 
						|
	    }
 | 
						|
	}
 | 
						|
    }
 | 
						|
    close(DPKG);
 | 
						|
 | 
						|
    # Swim is installed but the databases need to be initialized.
 | 
						|
    my $swim = "swim -qf /sbin/init|";
 | 
						|
    open(SWIM,$swim) or die "Had trouble using dswim: $!\n";
 | 
						|
	while (<SWIM>) {
 | 
						|
	    if ($_ eq "file init is not owned by any package\n") {
 | 
						|
		my $db_reply = "nothing";
 | 
						|
		print "It appears that dswim has never had its database " .
 | 
						|
		    "generated.  Would you like me to do this for you? " .
 | 
						|
			"[yes or no]: ";
 | 
						|
		while (<STDIN>) {
 | 
						|
		    $db_reply = $_;
 | 
						|
		    last if $db_reply eq "yes\n";
 | 
						|
		    last if $db_reply eq "no\n";
 | 
						|
		    if ($db_reply ne "yes\n" || $db_reply  ne "no\n") { 
 | 
						|
		print "It appears that dswim has never had its database " .
 | 
						|
		    "generated.  Would you like me to do this for you? " .
 | 
						|
			"[yes or no]: ";
 | 
						|
		    }
 | 
						|
		}
 | 
						|
		system "swim --initdb" if $db_reply eq "yes\n";
 | 
						|
		die "Sorry, can't continue until database is " .
 | 
						|
		    "generated\n" if $db_reply eq "no\n";
 | 
						|
	    }
 | 
						|
	}
 | 
						|
    close(SWIM);
 | 
						|
 | 
						|
    # Does file-rc exit?
 | 
						|
    $dpkg_s = "dpkg -s file-rc|";
 | 
						|
    open(DPKG,"$dpkg_s") or die "Couldn't find dpkg: $!\n";
 | 
						|
    while (<DPKG>) {
 | 
						|
	if (/Status:/) {
 | 
						|
	    if (!/\s+installed/) {
 | 
						|
	    die "The script requires that file-rc be installed. " .
 | 
						|
		"Please install it first.\n";
 | 
						|
	    }
 | 
						|
	}
 | 
						|
    }
 | 
						|
    close(DPKG);
 | 
						|
 | 
						|
    if (!-d $home) {
 | 
						|
	home_builder($template_dir);
 | 
						|
	home_builder("$home_yard_replacements/etc");
 | 
						|
    }
 | 
						|
 | 
						|
    # print "Everything is in order, but it never hurts to rebuild dswim " .
 | 
						|
    # "with --rebuilddb\n";
 | 
						|
 | 
						|
 | 
						|
} # end start_up
 |