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gbootroot
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* Modified for YardBox variables. 

* There are still some variables missing.  Dynamic %$ars and the
  variables passed to space_check are missing in copy_strip_file.
master
freesource 24 years ago
parent
1af54baaba
commit
04935a1ba8
1 changed files with 55 additions and 28 deletions
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      Yard.pm

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@ -43,7 +43,7 @@ use FileHandle;
use Cwd; # I am not even sure if this is being used here now
use English; # I think this can be ditched for portability
use File::Find; # used by check_root_fs
# use Error; # missing temporarily
use Error;
my (%Included, %replaced_by, %links_to, %is_module, %hardlinked,
%strippable, %lib_needed_by, @Libs);
@ -739,29 +739,48 @@ sub space_check {
########################
##### Create filesystem
########################
#@@sync();
#@@sys("dd if=/dev/zero of=$::device bs=1k count=$::fs_size");
#@@sync();
sub create_filesystem {
my ($filename,$fs_size,$fs_type, $inode_size, $mnt) = @_;
my $device = "$mnt/$filename";
my $mount_point = "$mnt/loopback";
my $file;
my $error;
##info(0, "Creating ${::fs_size}K ext2 file system on $::device\n");
if (-f $::device) {
sync();
sys("dd if=/dev/zero of=$device bs=1k count=$fs_size");
sync();
info(0, "Creating $fs_size K ext2 file system on $device\n");
if (-f $device) {
##### If device is a plain file, it means we're using some loopback
##### device. Use -F switch in mke2fs so it won't complain.
## Options here can be changed.
sys("mke2fs -F -m 0 -b 1024 $::device $::fs_size");
## Originally, this was -b 1024 switched with the inode approach.
if (sys("mke2fs -F -m 0 -i $inode_size $device $fs_size") !~
/^0$/ ) {
$error = error("Can not make $fs_type filesystem");
return "ERROR" if $error && $error eq "ERROR";
}
} else {
sys("mke2fs -m 0 -b 1024 $::device $::fs_size");
if (sys("mke2fs -F -m 0 -i $inode_size $device $fs_size") !~
/^0$/ ) {
$error = error("Can not make $fs_type filesystem");
return "ERROR" if $error && $error eq "ERROR";
}
}
&mount_device;
if (!-d $mount_point) {
return "ERROR" if errmk(sys("mkdir $mount_point")) == 2;
}
mount_device($device,$mount_point);
##### lost+found on a ramdisk is pointless
sys("rm -rf $::mount_point/lost+found");
sys("rm -rf $mount_point/lost+found");
sync();
@ -780,7 +799,7 @@ sub create_filesystem {
my($link_target) = $links_to{$file};
my($abs_file) = make_link_absolute($file, $link_target);
if (-d $abs_file) {
my($floppy_file) = $::mount_point . $abs_file;
my($floppy_file) = $mount_point . $abs_file;
my($newdir);
foreach $newdir (mkpath($floppy_file)) {
info(1, "\tCreating $newdir as a link target for $file\n");
@ -798,7 +817,7 @@ sub create_filesystem {
my($target);
if (defined($target = $links_to{$file})) {
my($floppy_file) = $::mount_point . $file;
my($floppy_file) = $mount_point . $file;
mkpath(dirname($floppy_file));
info(1, "\tLink\t$floppy_file -> $target\n");
symlink($target, $floppy_file) or
@ -807,7 +826,7 @@ sub create_filesystem {
delete $Included{$file}; # Get rid of it so next pass doesn't copit
} elsif (-d $file) {
my($floppy_file) = $::mount_point . $file;
my($floppy_file) = $mount_point . $file;
my($newdir);
foreach $newdir (mkpath($floppy_file)) {
info(1, "\tCreate\t$newdir\n");
@ -819,12 +838,12 @@ sub create_filesystem {
##### Tricky stuff is over with, now copy the remaining files.
info(0, "\nCopying files to $::device\n");
info(0, "\nCopying files to $device\n");
my(%copied);
while (($file) = each %Included) {
my($floppy_file) = $::mount_point . $file;
my($floppy_file) = $mount_point . $file;
my($replacement);
if (defined($replacement = $replaced_by{$file})) {
@ -864,7 +883,7 @@ sub create_filesystem {
mkpath($floppy_file);
} elsif ($file eq '/dev/null' and
$floppy_file ne "$::mount_point/dev/null") { # I hate this
$floppy_file ne "$mount_point/dev/null") { # I hate this
info(1, "Creating empty file $floppy_file\n");
mkpath(dirname($floppy_file));
sys("touch $floppy_file");
@ -886,13 +905,13 @@ sub create_filesystem {
info(0, "Re-generating /etc/ld.so.cache on root fs.\n");
info(1, "Ignore warnings about missing directories\n");
sys("ldconfig -v -r $::mount_point");
sys("ldconfig -v -r $mount_point");
}
info(0, "\nDone with $PROGRAM_NAME. $Warnings warnings.\n",
"$::device is still mounted on $::mount_point\n");
## Probably will want to umount here
exit( $Warnings>0 ? -1 : 0);
info(0, "\nDone with $PROGRAM_NAME. $Warnings warnings.\n",
"$device is still mounted on $mount_point\n");
} # end sub create_filesystem
@ -958,7 +977,7 @@ sub cf_die {
info(0, "$contents_file($cf_line): $line\n");
foreach (@msgs) { info(0, "\t$_\n"); }
my $output = join("\n",@msgs);
&::error_window("gBootRoot: ERROR: ", $output);
error_window("gBootRoot: ERROR: ", $output);
return "ERROR";
}
@ -978,6 +997,8 @@ sub copy_strip_file {
# Obviously create_filesytem's @_ will have to be modified 4 the last 4
# check for off or on, not undef
my () = @_;
my($from, $to, $strip_objfiles,
$strip_lib, $strip_bin, $strip_module) = @_;
my $error;
@ -1053,7 +1074,7 @@ sub error {
print LOGFILE "Error: ", @_;
info(0, "Error: ", @_);
&::error_window("gBootRoot: ERROR: ", @_);
error_window("gBootRoot: ERROR: ", @_);
return "ERROR";
}
@ -1425,19 +1446,25 @@ sub yard_glob {
sub mount_device {
my ($device,$mount_point) = @_;
my($options);
if (-f $::device) {
if (-f $device) {
$options = "-o loop ";
} else {
$options = "";
}
sys("mount $options -t ext2 $::device $::mount_point");
errmk(sys("mount $options -t ext2 $device $mount_point"));
}
##### Called by make_root_fs to do basic checks on choice of $::device.
sub check_device {
my $fs_size; # @_
if (!-e $::device) {
error("Device $::device does not exist\n");
@ -1466,9 +1493,9 @@ sub check_device {
my($max) = get_device_size_K($::device);
if (defined($max)) {
if ($max < $::fs_size) {
if ($max < $fs_size) {
info 0, "You've declared file system size (fs_size) to be ",
"$::fs_size K\n",
"$fs_size K\n",
"but Linux says $::device may only hold $max K\n";
if ($::device =~ m|^/dev/ram|) {
info 0, "(Increase ramdisk size";
@ -1480,7 +1507,7 @@ sub check_device {
} else {
info 0, "Warning: Yard can't determine the real size of ",
"$::device.\n",
"Assuming it's $::fs_size as declared.\n",
"Assuming it's $fs_size as declared.\n",
"I hope you're not lying.\n";
}

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