diff options
Diffstat (limited to 'rescue/guessmounts')
| -rwxr-xr-x | rescue/guessmounts | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/rescue/guessmounts b/rescue/guessmounts new file mode 100755 index 000000000..b62f8d870 --- /dev/null +++ b/rescue/guessmounts @@ -0,0 +1,80 @@ +#!/usr/bin/perl + +# +# Guillaume Cottenceau (gc@mandrakesoft.com) +# +# Copyright 2001 MandrakeSoft +# +# This software may be freely redistributed under the terms of the GNU +# public license. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +# + + +sub cat_ { local *F; open F, $_[0] or $_[1] ? die "cat of file $_[0] failed: $!\n" : return; my @l = <F>; wantarray ? @l : join '', @l } + + +#- start +system('drvinst'); #- class2text seems broken, I can't detect easily only modules for SCSI storage :-( + +print "\nPlease wait, trying to find your root device...\n"; + +my $target = '/mnt/sysimage'; +(-d $target) or mkdir($target) or die "couldn't create $target\n"; + + +my @parts = cat_('/proc/partitions'); +splice @parts, 0, 2; #- doesn't contain partitions + +my @fstab; +my $root; + +for my $dirtypart (@parts) { + next if $dirtypart !~ /^\s*\w+\s+\w+\s+\w+\s+(\w+)\s/; + my $dev = "/dev/$1"; + + for my $fs ('ext2', 'reiserfs') { + my $where = $target; + if (!system("mount -t $fs $dev $where 2>/dev/null")) { + if (-f "$where/etc/fstab") { + print "Found a probable root partition on $dev (type $fs)\n"; + @fstab = cat_("$where/etc/fstab"); + $root = $dev; + } else { + system('umount', $where) and die "error unmounting $mntpoint: $!\n"; + } + last; + } + } + last if @fstab; +} + +if ($root) { + print "\nMounting other partition from fstab on $target...\n"; + for my $fstabline (@fstab) { + my ($dev, $where, $type, $opts) = $fstabline =~ /^(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s/; + next if (!$type || $dev eq 'none' || $where eq '/' || $type eq 'supermount' || + $type eq 'swap' || $type eq 'nfs' || $where =~ /cdrom/ || + $where =~ /floppy/ || $opts =~ /noauto/ || $where =~ /proc/ || + $where =~ /mnt\/zip/); + $opts = join(',', grep { !/codepage=/ && !/iocharset/ } split(/,/, $opts)); #- vfat opts, we don't have the modules in rescue + $where = "/mnt/sysimage$where"; + (-d $where) or mkdir($where) or die "couldn't create $where\n"; + print "Mounting $dev on $where type $type\n"; + system("mount -t $type $dev $where -o $opts"); + } + print "Your partitions are mounted on $target.\n". + "For example you can use 'chroot $target' to simulate your system.\n". + "(you can reinstall lilo that way if necessary).\n\n"; +} + + +#------------------------------------------------- +#- $Log$ +#- Revision 1.1 2001/06/10 21:08:33 gc +#- - add 'guessmounts' that mimics RH's detecting of partitions when rescue starts +#- +#- |