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authorMystery Man <unknown@mandriva.org>2000-11-08 00:01:16 +0000
committerMystery Man <unknown@mandriva.org>2000-11-08 00:01:16 +0000
commitd5c526273db473a7d87a26000585900fc10dda7d (patch)
tree0fdaabe7a00921b6cc556601b103d344fc7ac781 /perl-install/fs.pm
parent9c164312d4bfff6d93e1c4529de6b992f2bebc44 (diff)
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This commit was manufactured by cvs2svn to create branch
'unlabeled-1.1.1'.
Diffstat (limited to 'perl-install/fs.pm')
-rw-r--r--perl-install/fs.pm414
1 files changed, 104 insertions, 310 deletions
diff --git a/perl-install/fs.pm b/perl-install/fs.pm
index 3d9628071..cf29fe014 100644
--- a/perl-install/fs.pm
+++ b/perl-install/fs.pm
@@ -3,7 +3,7 @@ package fs;
use diagnostics;
use strict;
-use common qw(:common :file :system :functional);
+use common qw(:common :file :system);
use log;
use devices;
use partition_table qw(:types);
@@ -12,40 +12,24 @@ use nfs;
use swap;
use detect_devices;
use commands;
-use modules;
-use raid;
-use loopback;
1;
-sub add_options(\$@) {
- my ($option, @options) = @_;
- my %l; @l{split(',', $$option), @options} = (); delete $l{defaults};
- $$option = join(',', keys %l) || "defaults";
-}
sub read_fstab($) {
my ($file) = @_;
local *F;
open F, $file or return;
-
+
map {
- my ($dev, @l) = split;
+ my ($dev, $mntpoint, @l) = split ' ';
$dev =~ s,/(tmp|dev)/,,;
- { device => $dev, mntpoint => $l[0], type => $l[1], options => $l[2] }
+ while (@l > 4) { $mntpoint .= " " . shift @l; }
+ { device => $dev, mntpoint => $mntpoint, type => $l[0], options => $l[1] }
} <F>;
}
-sub up_mount_point {
- my ($mntpoint, $fstab) = @_;
- while (1) {
- $mntpoint = dirname($mntpoint);
- $mntpoint ne "." or return;
- $_->{mntpoint} eq $mntpoint and return $_ foreach @$fstab;
- }
-}
-
sub check_mounted($) {
my ($fstab) = @_;
@@ -55,7 +39,7 @@ sub check_mounted($) {
open H, "/proc/swaps";
foreach (<F>, <G>, <H>) {
foreach my $p (@$fstab) {
- /$p->{device}\s+([^\s]*)\s+/ and $p->{realMntpoint} = $1, $p->{isMounted} = $p->{isFormatted} = 1;
+ /$p->{device}\s/ and $p->{isMounted} = 1;
}
}
}
@@ -68,202 +52,94 @@ sub get_mntpoints_from_fstab($) {
$p->{device} eq $_->{device} or next;
$p->{mntpoint} ||= $_->{mntpoint};
$p->{options} ||= $_->{options};
- $_->{type} ne 'auto' && $_->{type} ne type2fs($p->{type}) and
+ $_->{type} ne 'auto' && $_->{type} ne type2fs($p->{type}) and
log::l("err, fstab and partition table do not agree for $_->{device} type: " . (type2fs($p->{type}) || type2name($p->{type})) . " vs $_->{type}");
}
}
}
-#- mke2fs -b (1024|2048|4096) -c -i(1024 > 262144) -N (1 > 100000000) -m (0-100%) -L volume-label
-#- tune2fs
-sub format_ext2($@) {
- my ($dev, @options) = @_;
-
- $dev =~ m,(rd|ida)/, and push @options, qw(-b 4096 -R stride=16); #- For RAID only.
- push @options, qw(-b 1024 -O none) if arch() =~ /alpha/;
-
- run_program::run("mke2fs", @options, devices::make($dev)) or die _("%s formatting of %s failed", "ext2", $dev);
-}
-
-sub format_reiserfs($@) {
- my ($dev, @options) = @_;
-
- run_program::run("mkreiserfs", "-f", @options, devices::make($dev)) or die _("%s formatting of %s failed", "reiserfs", $dev);
-}
+sub format_ext2($;$) {
+ my ($dev, $bad_blocks) = @_;
+ my @options;
-sub format_dos($@) {
- my ($dev, @options) = @_;
+ $dev =~ m,(rd|ida)/, and push @options, qw(-b 4096 -R stride=16); # For RAID only.
+ $bad_blocks and push @options, "-c";
- run_program::run("mkdosfs", @options, devices::make($dev)) or die _("%s formatting of %s failed", "dos", $dev);
+ run_program::run("mke2fs", devices::make($dev), @options) or die "ext2 formatting of $dev failed";
}
-sub format_hfs($@) {
- my ($dev, @options) = @_;
+sub format_dos($;$) {
+ my ($dev, $bad_blocks) = @_;
- run_program::run("hformat", @options, devices::make($dev)) or die _("%s formatting of %s failed", "HFS", $dev);
+ run_program::run("mkdosfs", devices::make($dev), $bad_blocks ? "-c" : ()) or die "dos formatting of $dev failed";
}
-sub real_format_part {
- my ($part) = @_;
+sub format_part($;$) {
+ my ($part, $bad_blocks) = @_;
$part->{isFormatted} and return;
- my @options = $part->{toFormatCheck} ? "-c" : ();
- log::l("formatting device $part->{device} (type ", type2name($part->{type}), ")");
-
if (isExt2($part)) {
- push @options, "-F" if isLoopback($part);
- format_ext2($part->{device}, @options);
- } elsif (isReiserfs($part)) {
- format_reiserfs($part->{device}, @options);
+ format_ext2($part->{device}, $bad_blocks);
} elsif (isDos($part)) {
- format_dos($part->{device}, @options);
- } elsif (isWin($part)) {
- format_dos($part->{device}, @options, '-F', 32);
- } elsif (isHFS($part)) {
- format_hfs($part->{device}, @options, '-l', "Untitled");
+ format_dos($part->{device}, $bad_blocks);
} elsif (isSwap($part)) {
- my $check_blocks = grep { /^-c$/ } @options;
- swap::make($part->{device}, $check_blocks);
+ swap::make($part->{device}, $bad_blocks);
} else {
- die _("I don't know how to format %s in type %s", $_->{device}, type2name($_->{type}));
+ die "don't know how to format $_->{device} in type " . type2name($_->{type});
}
$part->{isFormatted} = 1;
}
-sub format_part {
- my ($raid, $part, $prefix) = @_;
- if (raid::is($part)) {
- raid::format_part($raid, $part);
- } elsif (isLoopback($part)) {
- loopback::format_part($part, $prefix);
- } else {
- real_format_part($part);
- }
-}
-
-sub formatMount_part {
- my ($part, $raid, $fstab, $prefix, $callback) = @_;
-
- if (isLoopback($part)) {
- formatMount_part($part->{device}, $raid, $fstab, $prefix, $callback);
- }
- if (my $p = up_mount_point($part->{mntpoint}, $fstab)) {
- formatMount_part($p, $raid, $fstab, $prefix, $callback) unless loopback::carryRootLoopback($part);
- }
-
- if ($part->{toFormat}) {
- $callback->($part) if $callback;
- format_part($raid, $part, $prefix);
- }
- mount_part($part, $prefix);
-}
-
-sub formatMount_all {
- my ($raid, $fstab, $prefix, $callback) = @_;
- formatMount_part($_, $raid, $fstab, $prefix, $callback)
- foreach sort { isLoopback($a) ? 1 : isSwap($a) ? -1 : 0 } grep { $_->{mntpoint} } @$fstab;
-
- #- ensure the link is there
- loopback::carryRootCreateSymlink($_, $prefix) foreach @$fstab;
-
- #- for fun :)
- #- that way, when install exits via ctrl-c, it gives hand to partition
- eval {
- local $SIG{__DIE__} = 'ignore';
- my ($type, $major, $minor) = devices::entry(fsedit::get_root($fstab)->{device});
- output "/proc/sys/kernel/real-root-dev", makedev($major, $minor);
- };
-}
sub mount($$$;$) {
- my ($dev, $where, $fs, $rdonly) = @_;
+ my ($dev, $where, $fs, $rdonly) = @_;
log::l("mounting $dev on $where as type $fs");
-
+
+ $::testing and return;
+
-d $where or commands::mkdir_('-p', $where);
-
+
if ($fs eq 'nfs') {
log::l("calling nfs::mount($dev, $where)");
- nfs::mount($dev, $where) or die _("nfs mount failed");
+ nfs::mount($dev, $where) or die "nfs mount failed";
} elsif ($fs eq 'smb') {
die "no smb yet...";
- } else {
- $dev = devices::make($dev) if $fs ne 'proc';
-
- my $flag = c::MS_MGC_VAL();
- $flag |= c::MS_RDONLY() if $rdonly;
- my $mount_opt = "";
-
- if ($fs eq 'vfat') {
- $mount_opt = 'check=relaxed';
- eval { modules::load('vfat') }; #- try using vfat
- eval { modules::load('msdos') } if $@; #- otherwise msdos...
- } elsif ($fs eq 'ufs') {
- eval { modules::load('ufs') };
- } elsif ($fs eq 'reiserfs') {
- #- could be better if we knew if there is a /boot or not
- #- without knowing it, / is forced to be mounted with notail
- $mount_opt = 'notail' if $where =~ m|/(boot)?$|;
- eval { modules::load('reiserfs') };
- } elsif ($fs eq 'romfs') {
- eval { modules::load('romfs') };
- }
-
- $where =~ s|/$||;
- log::l("calling mount($dev, $where, $fs, $flag, $mount_opt)");
- syscall_('mount', $dev, $where, $fs, $flag, $mount_opt) or die _("mount failed: ") . "$!";
}
+ $dev = devices::make($dev);
+
+ my $flag = 0;#c::MS_MGC_VAL();
+ $flag |= c::MS_RDONLY() if $rdonly;
+ my $mount_opt = $fs eq 'vfat' ? "check=relaxed" : "";
+
+ log::l("calling mount($dev, $where, $fs, $flag, $mount_opt)");
+ syscall_('mount', $dev, $where, $fs, $flag, $mount_opt) or die "mount failed: $!";
+
local *F;
- open F, ">>/etc/mtab" or return; #- fail silently, must be read-only /etc
+ open F, ">>/etc/mtab" or return; # fail silently, must be read-only /etc
print F "$dev $where $fs defaults 0 0\n";
}
-#- takes the mount point to umount (can also be the device)
-sub umount($) {
+# takes the mount point to umount (can also be the device)
+sub umount($) {
my ($mntpoint) = @_;
- log::l("calling umount($mntpoint)");
- syscall_('umount', $mntpoint) or die _("error unmounting %s: %s", $mntpoint, "$!");
+ syscall_('umount', $mntpoint) or die "error unmounting $mntpoint: $!";;
- my @mtab = cat_('/etc/mtab'); #- don't care about error, if we can't read, we won't manage to write... (and mess mtab)
+ my @mtab = cat_('/etc/mtab'); # don't care about error, if we can't read, we won't manage to write... (and mess mtab)
local *F;
open F, ">/etc/mtab" or return;
foreach (@mtab) { print F $_ unless /(^|\s)$mntpoint\s/; }
}
-sub mount_part($;$$) {
- my ($part, $prefix, $rdonly) = @_;
-
- if ($part->{realMntpoint} eq "/tmp/hdimage") {
- my $dir = "$prefix$part->{mntpoint}";
- $dir =~ s|/+$||;
- log::l("special hd case ($dir)");
- rmdir $dir;
- symlink "/tmp/hdimage", $dir;
- return;
- }
- #- root carrier's link can't be mounted
- loopback::carryRootCreateSymlink($part, $prefix);
-
- return if $part->{isMounted};
-
- unless ($::testing) {
- if (isSwap($part)) {
- swap::swapon(isLoopback($part) ? $prefix . loopback::file($part) : $part->{device});
- } else {
- $part->{mntpoint} or die "missing mount point";
-
- my $dev = $part->{device};
- my $mntpoint = ($prefix || '') . $part->{mntpoint};
- if (isLoopback($part)) {
- eval { modules::load('loop') };
- $dev = $part->{real_device} = devices::set_loop($prefix . loopback::file($part)) || die;
- } elsif (loopback::carryRootLoopback($part)) {
- $mntpoint = "/initrd/loopfs";
- }
- mount(devices::make($dev), $mntpoint, type2fs($part->{type}), $rdonly);
- rmdir "$mntpoint/lost+found";
- }
- }
- $part->{isMounted} = $part->{isFormatted} = 1; #- assume that if mount works, partition is formatted
+sub mount_part($;$) {
+ my ($part, $prefix) = @_;
+
+ $part->{isMounted} and return;
+ $part->{mntpoint} or die "missing mount point";
+
+ isSwap($part) ?
+ swap::swapon($part->{device}) :
+ mount(devices::make($part->{device}), ($prefix || '') . $part->{mntpoint}, type2fs($part->{type}), 0);
+ $part->{isMounted} = 1;
}
sub umount_part($;$) {
@@ -271,27 +147,20 @@ sub umount_part($;$) {
$part->{isMounted} or return;
- unless ($::testing) {
- if (isSwap($part)) {
- swap::swapoff($part->{device});
- } elsif (loopback::carryRootLoopback($part)) {
- umount("/initrd/loopfs");
- } else {
- umount(($prefix || '') . $part->{mntpoint} || devices::make($part->{device}));
- c::del_loop(delete $part->{real_device}) if isLoopback($part);
- }
- }
+ isSwap($part) ?
+ swap::swapoff($part->{device}) :
+ umount(($prefix || '') . ($part->{mntpoint} || "/dev/$part->{device}"));
$part->{isMounted} = 0;
}
-sub mount_all($;$$) {
+sub mount_all($;$) {
my ($fstab, $prefix) = @_;
log::l("mounting all filesystems");
- #- order mount by alphabetical ordre, that way / < /home < /home/httpd...
- foreach (sort { $a->{mntpoint} cmp $b->{mntpoint} } grep { $_->{mntpoint} } @$fstab) {
- mount_part($_, $prefix);
+ # order mount by alphabetical ordre, that way / < /home < /home/httpd...
+ foreach (sort { $a->{mntpoint} cmp $b->{mntpoint} } @$fstab) {
+ $_->{mntpoint} and mount_part($_, $prefix);
}
}
@@ -305,147 +174,72 @@ sub umount_all($;$) {
}
}
-sub df {
- my ($part, $prefix) = @_;
- my $dir = "/tmp/tmp_fs_df";
-
- return $part->{free} if exists $part->{free};
-
- if ($part->{isMounted}) {
- $dir = ($prefix || '') . $part->{mntpoint};
- } elsif ($part->{notFormatted} && !$part->{isFormatted}) {
- return; #- won't even try!
- } else {
- mkdir $dir;
- eval { mount($part->{device}, $dir, type2fs($part->{type}), 'readonly') };
- if ($@) {
- unlink $dir;
- return;
- }
- }
- my (undef, $free) = common::df($dir);
+# do some stuff before calling write_fstab
+sub write($$) {
+ my ($prefix, $fstab) = @_;
+ my @cd_drives = detect_devices::cdroms();
- if (!$part->{isMounted}) {
- umount($dir);
- unlink($dir)
- }
+ log::l("scanning /proc/mounts for iso9660 filesystems");
+ unshift @cd_drives, grep { $_->{type} eq 'iso9660' } read_fstab("/proc/mounts");
+ log::l("found cdrom drive(s) " . join(', ', map { $_->{device} } @cd_drives));
- $part->{free} = 2 * $free if defined $free;
- $part->{free};
-}
+ # cd-rom rooted installs have the cdrom mounted on /dev/root which
+ # is not what we want to symlink to /dev/cdrom.
+ my $cddev = first(grep { $_ ne 'root' } map { $_->{device} } @cd_drives);
-#- do some stuff before calling write_fstab
-sub write($$$$) {
- my ($prefix, $fstab, $manualFstab, $useSupermount) = @_;
- $fstab = [ @{$fstab||[]}, @{$manualFstab||[]} ];
+ $::testing and return 1;
log::l("resetting /etc/mtab");
local *F;
open F, "> $prefix/etc/mtab" or die "error resetting $prefix/etc/mtab";
- my ($floppy) = detect_devices::floppies();
-
- my @to_add = (
- $useSupermount ?
- [ split ' ', "/mnt/floppy /mnt/floppy supermount fs=vfat,dev=/dev/$floppy 0 0" ] :
- [ split ' ', "/dev/$floppy /mnt/floppy auto sync,user,noauto,nosuid,nodev 0 0" ],
- [ split ' ', 'none /proc proc defaults 0 0' ],
- [ split ' ', 'none /dev/pts devpts mode=0620 0 0' ],
- (map_index {
- my $i = $::i ? $::i + 1 : '';
- mkdir "$prefix/mnt/cdrom$i", 0755;#- or log::l("failed to mkdir $prefix/mnt/cdrom$i: $!");
- symlinkf $_->{device}, "$prefix/dev/cdrom$i" or log::l("failed to symlink $prefix/dev/cdrom$i: $!");
- chown 0, 22, "$prefix/dev/$_->{device}";
- $useSupermount ?
- [ "/mnt/cdrom$i", "/mnt/cdrom$i", "supermount", "fs=iso9660,dev=/dev/cdrom$i", 0, 0 ] :
- [ "/dev/cdrom$i", "/mnt/cdrom$i", "auto", "user,noauto,nosuid,exec,nodev,ro", 0, 0 ];
- } detect_devices::cdroms()),
- (map_index { #- for zip drives, the right partition is the 4th by default.
- my $i = $::i ? $::i + 1 : '';
- mkdir "$prefix/mnt/zip$i", 0755 or log::l("failed to mkdir $prefix/mnt/zip$i: $!");
- symlinkf "$_->{device}4", "$prefix/dev/zip$i" or log::l("failed to symlink $prefix/dev/zip$i: $!");
- $useSupermount ?
- [ "/mnt/zip$i", "/mnt/zip$i", "supermount", "fs=vfat,dev=/dev/zip$i", 0, 0 ] :
- [ "/dev/zip$i", "/mnt/zip$i", "auto", "user,noauto,nosuid,exec,nodev", 0, 0 ];
- } detect_devices::zips()));
- write_fstab($fstab, $prefix, @to_add);
+ if ($cddev) {
+ mkdir "$prefix/mnt/cdrom", 0755 or log::l("failed to mkdir $prefix/mnt/cdrom: $!");
+ symlink $cddev, "$prefix/dev/cdrom" or log::l("failed to symlink $prefix/dev/cdrom: $!");
+ }
+ write_fstab($fstab, $prefix, $cddev);
}
+
sub write_fstab($;$$) {
- my ($fstab, $prefix, @to_add) = @_;
+ my ($fstab, $prefix, $cddev) = @_;
$prefix ||= '';
- #- get the list of devices and mntpoint to remove existing entries
- #- and @to_add take precedence over $fstab to handle removable device
- #- if they are mounted OR NOT during install.
- my @new = grep { $_ ne 'none' } map { @$_[0,1] } @to_add;
- my %new; @new{@new} = undef;
-
- require fsedit;
- unshift @to_add,
- grep {
- my $b = !exists $new{$_->[0]} && !exists $new{$_->[1]};
- #- keep in mind the new line for fstab.
- @new{@$_[0,1]} = undef;
- $b
- } map {
+ my @to_add =
+ map {
my ($dir, $options, $freq, $passno) = qw(/dev/ defaults 0 0);
- $options = $_->{options} || $options;
-
- isTrueFS($_) and ($freq, $passno) = (1, ($_->{mntpoint} eq '/') ? 1 : 2);
- isNfs($_) and $dir = '', $options = $_->{options} || 'ro,nosuid,rsize=8192,wsize=8192';
- isFat($_) and $options = $_->{options} || "user,exec,umask=0";
-
- require fsedit;
- isReiserfs($_) && $_ == fsedit::get_root($fstab, 'boot') and add_options($options, "notail");
+ $options ||= $_->{options};
- my $dev = isLoopback($_) ?
- ($_->{mntpoint} eq '/' ? "/initrd/loopfs$_->{loopback_file}" : loopback::file($_)) :
- ($_->{device} =~ /^\// ? $_->{device} : "$dir$_->{device}");
-
- local $_->{mntpoint} = do {
- $passno = 0;
- "/initrd/loopfs";
- } if loopback::carryRootLoopback($_);
+ isExt2($_) and ($freq, $passno) = (1, ($_->{mntpoint} eq '/') ? 1 : 2);
+ isNfs($_) and ($dir, $options) = ('', 'ro');
+
+ [ "$dir$_->{device}", $_->{mntpoint}, type2fs($_->{type}), $options, $freq, $passno ];
- add_options($options, "loop") if isLoopback($_) && !isSwap($_); #- no need for loop option for swap files
-
- eval { devices::make("$prefix/$dev") } if $dir && !isLoopback($_);
- mkdir "$prefix/$_->{mntpoint}", 0755 if $_->{mntpoint} && !isSwap($_);
+ } grep { $_->{mntpoint} && type2fs($_->{type}) } @$fstab;
- [ $dev, $_->{mntpoint}, type2fs($_->{type}), $options, $freq, $passno ];
+ {
+ push @to_add, [ split ' ', '/dev/fd0 /mnt/floppy auto sync,user,noauto,nosuid,nodev,unhide 0 0' ];
+ push @to_add, [ split ' ', '/dev/cdrom /mnt/cdrom auto user,noauto,nosuid,exec,nodev,ro 0 0' ] if $cddev;
+ push @to_add, [ split ' ', 'none /proc proc defaults 0 0' ];
+ push @to_add, [ split ' ', 'none /dev/pts devpts mode=0620 0 0' ];
+ }
- } grep { $_->{mntpoint} && type2fs($_->{type}) } @$fstab;
+ # get the list of devices and mntpoint
+ my @new = grep { $_ ne 'none' } map { @$_[0,1] } @to_add;
+ my %new; @new{@new} = undef;
- push @to_add,
- grep { !exists $new{$_->[0]} && !exists $new{$_->[1]} }
- map { [ split ] } cat_("$prefix/etc/fstab");
+ my @current = cat_("$prefix/etc/fstab");
log::l("writing $prefix/etc/fstab");
local *F;
open F, "> $prefix/etc/fstab" or die "error writing $prefix/etc/fstab";
- print F join(" ", @$_), "\n" foreach sort { $a->[1] cmp $b->[1] } @to_add;
-}
-
-sub merge_fstabs {
- my ($fstab, $manualFstab) = @_;
- my %l; $l{$_->{device}} = $_ foreach @$manualFstab;
- %$_ = (%$_, %{$l{$_->{device}} || next}) foreach @$fstab;
+ foreach (@current) {
+ my ($a, $b) = split;
+ # if we find one line of fstab containing either the same device or mntpoint, do not write it
+ exists $new{$a} || exists $new{$b} and next;
+ print F $_;
+ }
+ foreach (@to_add) {
+ print F join(" ", @$_), "\n";
+ }
}
-
-#sub check_mount_all_fstab($;$) {
-# my ($fstab, $prefix) = @_;
-# $prefix ||= '';
-#
-# foreach (sort { ($a->{mntpoint} || '') cmp ($b->{mntpoint} || '') } @$fstab) {
-# #- avoid unwanted mount in fstab.
-# next if ($_->{device} =~ /none/ || $_->{type} =~ /nfs|smbfs|ncpfs|proc/ || $_->{options} =~ /noauto|ro/);
-#
-# #- TODO fsck
-#
-# eval { mount(devices::make($_->{device}), $prefix . $_->{mntpoint}, $_->{type}, 0); };
-# if ($@) {
-# log::l("unable to mount partition $_->{device} on $prefix/$_->{mntpoint}");
-# }
-# }
-#}