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299 lines
8.9 KiB
299 lines
8.9 KiB
#!/usr/bin/perl
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# You will need to get swim 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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# You need file-rc, and you may add other extra stuff. These packages were
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# chosen for woody, so you may need something different. Check dependencies,
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# ofcourse, if you add stuff.
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my @extra_packages = qw(file-rc swim nvi sysklogd klogd netbase tcpd net-tools
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portmap netkit-ping netkit-inetd ifupdown less perl perl-modules);
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# And tests will be ran here for file-rc and swim
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# swim has to have its databases made.
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# Options: to include or remove docs /usr/share/{doc,man,info}
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# and other stuff which creates fluff.
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system "swim --search \"Priority: required\" > /dev/null 2>&1";
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my $swim_packages = "swim -qS|";
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my $swim_list = "swim -qSl|";
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$, = " ";
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my $extra_files = "swim -ql @extra_packages|";
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$, = "";
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# All the packages
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open(SWIM,$swim_packages) or die "Couldn't open $!\n";
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my @required_packages = <SWIM>; chomp @required_packages;
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close(SWIM);
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push(@required_packages,@extra_packages);
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# All the files
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open(SWIM,$swim_list) or die "Couldn't open $!\n";
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my @required_files = <SWIM>; chomp @required_files;
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close(SWIM);
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open(SWIM,$extra_files) or die "Couldn't open $!\n";
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my @extra_files = <SWIM>; chomp @extra_files;
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close(SWIM);
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push(@required_files,@extra_files);
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## Template Creation
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open(DEBIAN,">$template_dir/$debian_yard")
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or die "Couldn't open $!\n";
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open(FILERC,"/etc/runlevel.conf") or die "No runlevel.conf: $!\n";
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@filerc = <FILERC>;
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close(FILERC);
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print DEBIAN stuff();
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my @file_rc;
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foreach (@required_files) {
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if (-e && !-d) {
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if ($ARGV[0] eq "doc") {
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print DEBIAN "$_\n";
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}
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else {
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if (! m,/usr/share/info|/usr/share/man|/usr/share/doc,) {
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print DEBIAN "$_\n";
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}
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}
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if (m,/etc/init\.d,) {
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foreach my $filerc (@filerc) {
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push(@file_rc,$filerc) if $filerc =~ /$_/;
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}
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}
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}
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}
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print DEBIAN "\n# Scripts associated with packages found in info/*\n";
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print DEBIAN status_info();
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close(DEBIAN);
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# This creates a tweaked runlevel.conf which is easier then trying to figure
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# out which symlinks to use in /etc/rc?d.
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open(MY_FILERC,">$home_yard_replacements/etc/runlevel.conf")
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or die "Couldn't open $home_yard_replacements/etc/runlevel.conf: $!\n";
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my @sortedrc = map { $_->[1] }
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sort { $a->[0] <=> $b->[0] }
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map { [ (split(/\s/,$_))[0], $_ ] }
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@file_rc;
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print MY_FILERC @sortedrc;
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close(MY_FILERC);
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# This creates a status file for use by dpkg and swim.
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# Although swim could be used to do this, it is more effecient just to
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# parse the status file. But because this is a good exercise for
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# using this script to create a status file found from packages on a system
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# which doesn't actually have a status file .. here would be the order
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# needed when using swim to query:
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#
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# Package, Status, Priority, Section, Installed-Size, Maintainer, Source,
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# Version, Replaces, Provides, Depends, Pre-Depends, Recommends, Suggests,
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# Conflicts, Conffiles, Description.
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#
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# Conffiles would have to be handled both before and after Root Filesystem
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# creation so that their md5sums could be accounted for in status.
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#
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# And this finds all the scripts associated with a package in info/*.
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sub status_info {
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$/ = "";
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open(STATUS,"$status") or die "Can't find /var/lib/dpkg/status: $!\n";
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home_builder("$home_yard_replacements/var/lib/dpkg");
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open(NEW_STATUS,">$home_yard_replacements/var/lib/dpkg/status")
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or die "Couldn't open $home_yard_replacements/var/lib/dpkg/status: $!\n";
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while (<STATUS>) { # keep the order
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$stat = $_;
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my $stat2 = (split(/\n/,$stat))[0]; # might as well
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foreach my $rp (@required_packages) {
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$rp = (split(/_/,$rp))[0];
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# Deal with names with +
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$rp =~ s/\+/\\+/g if $rp !~ /\\+/g;
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if ($stat2 =~ /^Package: $rp$/) {
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print NEW_STATUS $stat;
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}
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}
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}
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close(NEW_STATUS);
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close(STATUS);
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$/ = "\n";
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my @info;
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foreach my $rp (@required_packages) {
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$rp = (split(/_/,$rp))[0];
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# Get rid of the escape from the previous invocation.
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$rp =~ s/\\//g if $rp =~ /\\+/g;
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# Figure out info/* .. this covers it for now.
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if (-f "$info/$rp.preinst") {
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push(@info,"$info/$rp.preinst\n");
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}
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if (-f "$info/$rp.postinst") {
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push(@info,"$info/$rp.postinst\n");
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}
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if (-f "$info/$rp.prerm") {
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push(@info,"$info/$rp.prerm\n");
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}
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if (-f "$info/$rp.postrm") {
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push(@info,"$info/$rp.postrm\n");
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}
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if (-f "$info/$rp.list") {
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push(@info,"$info/$rp.list\n");
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}
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if (-f "$info/$rp.shlibs") {
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push(@info,"$info/$rp.shlibs\n");
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}
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if (-f "$info/$rp.conffiles") {
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push(@info,"$info/$rp.conffiles\n");
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}
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if (-f "$info/$rp.md5sums") {
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push(@info,"$info/$rp.md5sums\n");
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}
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if (-f "$info/$rp.config") {
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push(@info,"$info/$rp.config\n");
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}
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}
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return @info;
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} # end sub status_info
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sub stuff {
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$stuff = << "STUFF";
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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 to tweak the system, as well as apt.
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# Make-debian generates all the information you need, you will need swim 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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# use the "doc" option to make documentation.
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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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# Alternatives aren't working so you will have to use the real name like
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# nvi for vi and w.procps for w. Not all libs are associated with packages
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# but that isn't a big deal.
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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. Look at /tmp/verbose instead.
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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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/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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# Devices - optional stuff which can be picked up by devfsd.
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/dev/MAKEDEV # a link
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/dev/mem
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/dev/kmem
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/dev/null
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/dev/zero
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/dev/ram*
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/dev/console
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/dev/tty[0-9]
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/dev/hd[abcd]*
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/dev/ttyS[0-9]
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/dev/fd0*
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/dev/sd*
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#/dev/cdrom
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#/dev/modem
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/dev/pts*
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/dev/ptmx
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/dev/initctl
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/dev/urandom
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/dev/ubd0 <= Replacements/dev/ubd0
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# Empty directories with no stuff.
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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
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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 $stuff;
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} # end sub stuff
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sub home_builder {
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my ($home_builder) = @_;
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if (!-d $home_builder) {
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if (-e $home_builder) {
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print "ERROR: A file exists where $home_builder should be.\n";
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}
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else {
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my @directory_parts = split(m,/,,$home_builder);
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my $placement = "/";
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for (1 .. $#directory_parts) {
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$_ == 1 ? ($placement = "/$directory_parts[$_]")
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: ($placement = $placement . "/" . $directory_parts[$_]);
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-d $placement or mkdir $placement;
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}
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}
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}
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} # end home_builder
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