mirror of
https://github.com/fspc/gbootroot.git
synced 2025-11-04 00:05:35 -05:00
d2fb7540f3
bit more, but have tested this with an initrd, and it works pretty nicely even with large fs assuming mem is set high enough. Mtdram was chosen over blkmtd for now.
151 lines
4.2 KiB
Perl
Executable File
151 lines
4.2 KiB
Perl
Executable File
#!/usr/bin/perl
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###########################################################################
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##
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## expect_uml
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## Copyright (C) 2000, 2001, 2002 by Jonathan Rosenbaum
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## <freesource@users.sourceforge.net>
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##
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## This program is free software; you may 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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##
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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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##
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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., 675 Mass Ave, Cambridge, MA 02139, USA.
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##
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##############################################################################
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BEGIN {
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my $fhs = grep(/\/usr\/share\/perl5/,@INC);
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if ($fhs == 0) {
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unshift(@INC,"/usr/share/perl5");
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}
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my $sbin = grep(/\/sbin/,$ENV{'PATH'});
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if ($sbin == 0) {
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$ENV{'PATH'} = "/sbin:" . $ENV{'PATH'};
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}
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$sbin = grep(/\/usr\/sbin/,$ENV{'PATH'});
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if ($sbin == 0) {
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$ENV{'PATH'} = "/usr/sbin:" . $ENV{'PATH'};
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}
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}
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use BootRoot::UML;
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use File::Basename;
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if ( !$ARGV[0] ) {
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die "expect_uml ubd0 ubd1 other-options mount-point preserve_ownership filesystem_command\n";
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}
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my $arguments = "$ARGV[0] $ARGV[1] $ARGV[2]";
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my $mount_point = "$ARGV[3]";
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my $preserve_ownership = "$ARGV[4]";
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my $end = 6;
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my $filesystem;
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for ( 5 .. $#ARGV ) {
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if ( $_ == 5 ) {
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$filesystem = "$ARGV[5]";
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# What to do with the rieserfs command
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if ( $filesystem eq "mkreiserfs" ) {
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$filesystem = $filesystem . " -f -f -q";
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}
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}
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else {
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if ( $ARGV[$end] ) {
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$filesystem = $filesystem . " $ARGV[$end]";
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$end++;
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}
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else {
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last;
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}
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}
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}
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my $uml =
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BootRoot::UML->new( login_prompt => "bootroot login: ",
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arguments => $arguments,
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login => "root",
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password_prompt => "Password: ",
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password => "",
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prompt => "bootroot:.*# ",
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halt => "shutdown -h now"
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);
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$uml->boot();
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# Make the GID/UID 0 FS
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if ( $filesystem =~ /^mkcramfs/ || $filesystem =~ /^genromfs/ ||
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$filesystem =~ /^mkfs\.jffs/ ) {
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$uml->command("mke2fs -m0 /dev/ubd/1");
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}
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else {
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$uml->command("$filesystem /dev/ubd/1");
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}
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$uml->command("mount /dev/ubd/1 /mnt1");
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$uml->command("mount -t hostfs none -o $mount_point /mnt2");
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$uml->command("cp -a /mnt2/* /mnt1");
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if ( $preserve_ownership == 0 ) {
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$uml->command("chown -R 0:0 /mnt1");
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}
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if ( $filesystem =~ /^mkcramfs/ ) {
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my $cram_dir = dirname($mount_point);
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my $root_fs_name = basename($ARGV[1]);
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my $cramfs_name = "$root_fs_name" . "_cramfs";
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$uml->command("umount /mnt2");
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$uml->command("mount -t hostfs none -o $cram_dir /mnt2");
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$uml->command("mkcramfs /mnt1 /mnt2/$cramfs_name");
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}
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elsif ( $filesystem =~ /^genromfs/ ) {
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my $romfs_dir = dirname($mount_point);
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my $root_fs_name = basename($ARGV[1]);
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my $romfs_name = "$root_fs_name" . "_romfs";
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$uml->command("umount /mnt2");
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$uml->command("mount -t hostfs none -o $romfs_dir /mnt2");
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$uml->command("genromfs -d /mnt1 -f /mnt2/$romfs_name");
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}
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elsif ( $filesystem =~ /^mkfs\.jffs2/ ) {
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my $jffs2_dir = dirname($mount_point);
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my $root_fs_name = basename($ARGV[1]);
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my $jffs2_name = "$root_fs_name" . "_jffs2";
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$uml->command("umount /mnt2");
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$uml->command("mount -t hostfs none -o $jffs2_dir /mnt2");
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$uml->command("mkfs.jffs2 -r /mnt1 -o /mnt2/$jffs2_name -e 0x20000 -p");
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}
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elsif ( $filesystem =~ /^mkfs\.jffs/ ) {
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my $jffs_dir = dirname($mount_point);
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my $root_fs_name = basename($ARGV[1]);
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my $jffs_name = "$root_fs_name" . "_jffs";
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$uml->command("umount /mnt2");
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$uml->command("mount -t hostfs none -o $jffs_dir /mnt2");
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$uml->command("mkfs.jffs -d /mnt1 -o /mnt2/$jffs_name -e 0x20000 -p");
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}
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$uml->command("umount /mnt1; umount /mnt2");
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$uml->halt();
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