From 7cd6040f7101a94c006cc6360ea2f2c7f80051b9 Mon Sep 17 00:00:00 2001
From: Guillaume Cottenceau <gc@mandriva.com>
Date: Thu, 20 Nov 2003 22:54:39 +0000
Subject: allow testing with a virtual key (a given file on a given partition),
 that will be faster, easier (and more reliable ;p) that will maybe allow
 future normal (but strange) use of MandrakeMove with a file on an existing
 ext2 or a vfat partition, who knows? gael's gonna be happy with his motto
 "our users find unpredictable usage of our products, ya-hoo!"

---
 move/move.pm | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'move/move.pm')

diff --git a/move/move.pm b/move/move.pm
index a0f9ac5f6..7d625286b 100644
--- a/move/move.pm
+++ b/move/move.pm
@@ -15,6 +15,7 @@ use Digest::MD5 qw(md5_hex);
 my @ALLOWED_LANGS = qw(en_US fr es it de);
 our ($using_existing_user_config, $using_existing_host_config);
 my $key_sysconf = '/home/.sysconf';
+my $virtual_key_part;
 
 sub symlinkf_short {
     my ($dest, $file) = @_;
@@ -40,6 +41,20 @@ sub handle_etcfiles {
 
 }
 
+sub handle_virtual_key {
+    if (my ($device, $file) = cat_('/proc/cmdline') =~ /\bvirtual_key=(\S+),(\S+)/) {
+        log::l("using device=$device file=$file as a virtual key");
+        my $dir = '/virtual_key_mount';
+        mkdir $dir;
+        run_program::run('mount', $device, $dir);
+        require devices;
+        my $loop = devices::find_free_loop();
+        run_program::run('losetup', $loop, "$dir$file");
+        run_program::run('mount', $loop, '/home', '-o', 'umask=077,uid=501,gid=501,shortname=mixed');
+	$virtual_key_part = { device => $loop, mntpoint => '/home', type => 0xc, isMounted => 1 };
+    }
+}
+
 #- run very soon at stage2 start, setup things on tmpfs rw / that
 #- were not necessary to start stage2 itself (there were setup
 #- by stage1 of course)
@@ -108,6 +123,7 @@ sub init {
     system('sysctl -w kernel.hotplug="/bin/true"');
     modules::load_category('bus/usb'); 
     eval { modules::load('usb-storage', 'sd_mod') };
+    handle_virtual_key();
     install_steps::setupSCSI($o);
     system('sysctl -w kernel.hotplug="/sbin/hotplug"');
 
@@ -194,6 +210,10 @@ sub key_mount {
         $o->{all_hds} = fsedit::empty_all_hds();
         install_any::getHds($o, $o);
     }
+    if ($virtual_key_part) {
+        #- :/ merge_from_mtab didn't got my virtual key, need to add it manually
+        push @{$o->{fstab}}, $virtual_key_part;
+    }
 
     require fs;
     fs::mount_part($_) foreach key_parts($o);
-- 
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