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authorGlentadakis Dimitris <dimitrios@mandriva.org>2009-10-16 17:10:43 +0000
committerGlentadakis Dimitris <dimitrios@mandriva.org>2009-10-16 17:10:43 +0000
commitba41b3f8ceaae749c94e4f3374aa7cc5838bbe53 (patch)
treea9588bde8ffca7632026a0faefa1aa3bf23a3354 /doc
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package install_interactive; # $Id$

use diagnostics;
use strict;

use common;
use partition_table qw(:types);
use partition_table::raw;
use detect_devices;
use install_steps;
use install_any;
use devices;
use fsedit;
use log;
use fs;


sub tellAboutProprietaryModules {
    my ($o) = @_;
    my @l = grep { $_ } map { $_->{driver} =~ /^Bad:(.*)/ && $1 } detect_devices::probeall();
    $o->ask_warn('', formatAlaTeX(
N("Some hardware on your computer needs ``proprietary'' drivers to work.
You can find some information about them at: %s", join(", ", @l)))) if @l;
}

#- unit of $mb is mega bytes, min and max are in sectors, this
#- function is used to convert back to sectors count the size of
#- a partition ($mb) given from the interface (on Resize or Create).
#- modified to take into account a true bounding with min and max.
sub from_Mb {
    my ($mb, $min, $max) = @_;
    $mb <= $min >> 11 and return $min;
    $mb >= $max >> 11 and return $max;
    $mb * 2048;
}

sub partition_with_diskdrake {
    my ($o, $all_hds, $nowizard) = @_;
    my $ok; 

    do {
	$ok = 1;
	my $do_force_reload = sub {
	    $o->{all_hds} = fsedit::empty_all_hds();
	    install_any::getHds($o, $o);
	    $all_hds = $o->{all_hds};
	    $o->{all_hds};
	};
	require diskdrake::interactive;
	{
	    local $::expert = $::expert;
	    diskdrake::interactive::main($o, $all_hds, $nowizard, $do_force_reload, $o->interactive_help_sub_display_id('partition_with_diskdrake'));
	}
	if (delete $o->{wizard}) {
	    partitionWizard($o, 'nodiskdrake') or redo;
	    return 1;
	}
	my @fstab = fsedit::get_all_fstab($all_hds);
	
	unless (fsedit::get_root_(\@fstab)) {
	    $ok = 0;
	    $o->ask_okcancel('', N("You must have a root partition.
For this, create a partition (or click on an existing one).
Then choose action ``Mount point'' and set it to `/'"), 1) or return;
	}
	if (!any { isSwap($_) } @fstab) {
	    $ok &&= $o->ask_okcancel('', N("You don't have a swap partition.\n\nContinue anyway?"));
	}
	if (arch() =~ /ia64/ && !fsedit::has_mntpoint("/boot/efi", $all_hds)) {
	    $o->ask_warn('', N("You must have a FAT partition mounted in /boot/efi"));
	    $ok = '';
	}
    } until $ok;
    1;
}

sub partitionWizardSolutions {
    my ($o, $all_hds) = @_;
    my $hds = $all_hds->{hds};
    my $fstab = [ fsedit::get_all_fstab($all_hds) ];
    my @wizlog;
    my (%solutions);

    my $min_linux = 400 << 11;
    my $max_linux = 2000 << 11;
    my $min_swap = 50 << 11;
    my $max_swap = 300 << 11;
    my $min_freewin = 100 << 11;

    # each solution is a [ score, text, function ], where the function retunrs true if succeeded

    my @hds_rw = grep { !$_->{readonly} } @$hds;
    my @hds_can_add = grep { $_->can_raw_add } @hds_rw;
    if (fsedit::free_space(@hds_can_add) > $min_linux) {
	$solutions{free_space} = [ 20, N("Use free space"), sub { fsedit::auto_allocate($all_hds); 1 } ]
    } else { 
	push @wizlog, N("Not enough free space to allocate new partitions") . ": " .
	  (@hds_can_add ? 
	   fsedit::free_space(@hds_can_add) . " < $min_linux" :
	   "no harddrive on which partitions can be added");
    }

    if (my @truefs = grep { isTrueFS($_) } @$fstab) {
	#- value twice the ext2 partitions
	$solutions{existing_part} = [ 6 + @truefs + @$fstab, N("Use existing partitions"), sub { $o->ask_mntpoint_s($fstab) } ]
    } else {
	push @wizlog, N("There is no existing partition to use");
    }

    my @fats = grep { isFat($_) } @$fstab;
    fs::df($_) foreach @fats;
    if (my @ok_forloopback = sort { $b->{free} <=> $a->{free} } grep { $_->{free} > $min_linux + $min_swap + $min_freewin } @fats) {
	$solutions{loopback} = 
	  [ -10 - @fats, N("Use the Windows partition for loopback"), 
	    sub { 
		my ($s_root, $s_swap);
		my $part = $o->ask_from_listf('', N("Which partition do you want to use for Linux4Win?"), \&partition_table::description, \@ok_forloopback) or return;
		$max_swap = $min_swap + 1 if $part->{free} - $max_swap < $min_linux;
		$o->ask_from('', N("Choose the sizes"), [ 
		   { label => N("Root partition size in MB: "), val => \$s_root, min => $min_linux >> 11, max => min($part->{free} - $max_swap, $max_linux) >> 11, type => 'range' },
		   { label => N("Swap partition size in MB: "), val => \$s_swap, min => $min_swap >> 11,  max => $max_swap >> 11, type => 'range' },
		]) or return;
		push @{$part->{loopback}}, 
		  { type =>0x483, loopback_file => '/lnx4win/linuxsys.img', mntpoint => '/',    size => $s_root << 11, loopback_device => $part, notFormatted => 1 },
		  { type => 0x82, loopback_file => '/lnx4win/swapfile',     mntpoint => 'swap', size => $s_swap << 11, loopback_device => $part, notFormatted => 1 };
		fsedit::recompute_loopbacks($all_hds);
		1;
	    } ];
    } else {
	push @wizlog, N("There is no FAT partition to use as loopback (or not enough space left)") .
	  (@fats ? "\nFAT partitions:" . join('', map { "\n  $_->{device} $_->{free} (" . ($min_linux + $min_swap + $min_freewin) . ")" } @fats) : '');
    }

    
    if (my @ok_for_resize_fat = grep { isFat_or_NTFS($_) && !fsedit::part2hd($_, $all_hds)->{readonly} } @$fstab) {
	$solutions{resize_fat} = 
	  [ 6 - @ok_for_resize_fat, N("Use the free space on the Windows partition"),
	    sub {
		my $part = $o->ask_from_listf_raw({ messages => N("Which partition do you want to resize?"),
						    interactive_help_id => 'resizeFATChoose',
						  }, \&partition_table::description, \@ok_for_resize_fat) or return;
		my $hd = fsedit::part2hd($part, $all_hds);
		my $resize_fat = eval {
		    my $pkg = isFat($part) ? do { 
			require resize_fat::main;
			'resize_fat::main';
		    } : do {
			require diskdrake::resize_ntfs;
			'diskdrake::resize_ntfs';
		    };
		    $pkg->new($part->{device}, devices::make($part->{device}));
		};
		$@ and die \N("The FAT resizer is unable to handle your partition, 
the following error occured: %s", formatError($@));
		my $min_win = do {
		    my $_w = $o->wait_message(N("Resizing"), N("Computing the size of the Windows partition"));
		    $resize_fat->min_size;
		};
		#- make sure that even after normalizing the size to cylinder boundaries, the minimun will be saved,
		#- this save at least a cylinder (less than 8Mb).
		$min_win += partition_table::raw::cylinder_size($hd);

		$part->{size} > $min_linux + $min_swap + $min_freewin + $min_win or die \N("Your Windows partition is too fragmented. Please reboot your computer under Windows, run the ``defrag'' utility, then restart the Mandrake Linux installation.");
		$o->ask_okcancel('', formatAlaTeX(N("WARNING!

DrakX will now resize your Windows partition. Be careful: this
operation is dangerous. If you have not already done so, you
first need to exit the installation, run \"chkdsk c:\" from a
Command Prompt under Windows (beware, running graphical program
\"scandisk\" is not enough, be sure to use \"chkdsk\" in a
Command Prompt!), optionally run defrag, then restart the
installation. You should also backup your data.
When sure, press Ok."))) or return;

		my $mb_size = $part->{size} >> 11;
		$o->ask_from('', N("Which size do you want to keep for Windows on"), [
                   { label => N("partition %s", partition_table::description($part)), val => \$mb_size, min => $min_win >> 11, max => ($part->{size} - $min_linux - $min_swap) >> 11, type => 'range' },
                ]) or return;

		my $oldsize = $part->{size};
		$part->{size} = from_Mb($mb_size, $min_win, $part->{size});

		$hd->adjustEnd($part);

		eval { 
		    my $_w = $o->wait_message(N("Resizing"), N("Resizing Windows partition"));
		    $resize_fat->resize($part->{size});
		};
		if (my $err = $@) {
		    $part->{size} = $oldsize;
		    die \N("FAT resizing failed: %s", formatError($err));
		}

		$o->ask_warn('', N("To ensure data integrity after resizing the partition(s), 
filesystem checks will be run on your next boot into Windows(TM)")) if !isFat($part);

		$part->{isFormatted} = 1;
		$hd->{isDirty} = $hd->{needKernelReread} = 1;
		partition_table::adjust_local_extended($hd, $part);
		partition_table::adjust_main_extended($hd);

		fsedit::auto_allocate($all_hds);
		1;
	    } ];
    } else {
	push @wizlog, N("There is no FAT partition to resize (or not enough space left)");
    }

    if (@$fstab && @hds_rw) {
	$solutions{wipe_drive} =
	  [ 10, fsedit::is_one_big_fat_or_NT($hds) ? N("Remove Windows(TM)") : N("Erase entire disk"), 
	    sub {
		my $hd = $o->ask_from_listf_raw({ messages => N("You have more than one hard drive, which one do you install linux on?"),
						  interactive_help_id => 'takeOverHdChoose',
						},
						\&partition_table::description, \@hds_rw) or return;
		$o->ask_okcancel_({ messages => N("ALL existing partitions and their data will be lost on drive %s", partition_table::description($hd)),
				    interactive_help_id => 'takeOverHdConfirm' }) or return;
		partition_table::raw::zero_MBR($hd);
		fsedit::auto_allocate($all_hds);
		1;
	    } ];
    }

    if (@hds_rw) {
	$solutions{diskdrake} = [ 0, N("Custom disk partitioning"), sub { partition_with_diskdrake($o, $all_hds, 'nowizard') } ];
    }

    $solutions{fdisk} =
      [ -10, N("Use fdisk"), sub { 
	    $o->enter_console;
	    foreach (@$hds) {
		print "\n" x 10, N("You can now partition %s.
When you are done, don't forget to save using `w'", partition_table::description($_));
		print "\n\n";
		my $pid = 0;
		if (arch() =~ /ppc/) {
			$pid = fork() or exec "pdisk", devices::make($_->{device});
		} else {
			$pid = fork() or exec "fdisk", devices::make($_->{device});
		}			
		waitpid($pid, 0);
	    }
	    $o->leave_console;
	    0;
	} ] if $o->{partitioning}{fdisk};

    log::l("partitioning wizard log:\n", (map { ">>wizlog>>$_\n" } @wizlog));
    %solutions;
}

sub partitionWizard {
    my ($o, $b_nodiskdrake) = @_;

    my %solutions = partitionWizardSolutions($o, $o->{all_hds});

    delete $solutions{diskdrake} if $b_nodiskdrake;

    my @solutions = sort { $b->[0] <=> $a->[0] } values %solutions;

    my $level = $::expert ? -9999 : 0;
    my @sol = grep { $_->[0] >= $level } @solutions;

    log::l(''  . "solutions found: " . join('', map { $_->[1] } @sol) . 
	   " (all solutions found: " . join('', map { $_->[1] } @solutions) . ")");

    @solutions = @sol if @sol > 1;
    log::l("solutions: ", int @solutions);
    @solutions or $o->ask_warn('', N("I can't find any room for installing")), die 'already displayed';

    log::l('HERE: ', join(',', map { $_->[1] } @solutions));
    my $sol;
    $o->ask_from_({ messages => N("The DrakX Partitioning wizard found the following solutions:"),
		    interactive_help_id => 'doPartitionDisks',
		  }, 
		  [ { val => \$sol, list => \@solutions, format => sub { $_[0][1] }, type => 'list' } ]);
    log::l("partitionWizard calling solution $sol->[1]");
    my $ok = eval { $sol->[2]->() };
    $@ and $o->ask_warn('', N("Partitioning failed: %s", formatError($@)));
    $ok or goto &partitionWizard;
    1;
}

sub upNetwork {
    my ($o, $b_pppAvoided) = @_;
    my $_w = $o->wait_message('', N("Bringing up the network"));
    install_steps::upNetwork($o, $b_pppAvoided);
}
sub downNetwork {
    my ($o, $b_pppOnly) = @_;
    my $_w = $o->wait_message('', N("Bringing down the network"));
    install_steps::downNetwork($o, $b_pppOnly);
}



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