From a6ba2f19bd2dd6d99185cb0f5ba0dd97baaf130d Mon Sep 17 00:00:00 2001
From: Pascal Rigaux <pixel@mandriva.com>
Date: Fri, 31 Aug 2007 16:33:16 +0000
Subject: - support for UUID (including UUID=xxx in fstab)

(not by default for now)
---
 perl-install/fs/format.pm      | 4 ++++
 perl-install/fs/get.pm         | 1 +
 perl-install/fs/mount.pm       | 2 +-
 perl-install/fs/type.pm        | 1 +
 perl-install/fs/wild_device.pm | 7 +++++++
 5 files changed, 14 insertions(+), 1 deletion(-)

(limited to 'perl-install/fs')

diff --git a/perl-install/fs/format.pm b/perl-install/fs/format.pm
index 136581583..42a92335b 100644
--- a/perl-install/fs/format.pm
+++ b/perl-install/fs/format.pm
@@ -128,6 +128,10 @@ sub part_raw {
 	disable_forced_fsck($dev);
     }
 
+    delete $part->{UUID_from_magic};
+    fs::type::type_subpart_from_magic($part);
+    $part->{device_UUID} = $part->{UUID_from_magic};
+
     set_isFormatted($part, 1);
 }
 
diff --git a/perl-install/fs/get.pm b/perl-install/fs/get.pm
index 0cdb55969..aa23d1c61 100644
--- a/perl-install/fs/get.pm
+++ b/perl-install/fs/get.pm
@@ -143,6 +143,7 @@ sub is_same_hd {
 	$s1 eq $s2;
     } else {
 	$hd1->{device_LABEL} && $hd2->{device_LABEL} && $hd1->{device_LABEL} eq $hd2->{device_LABEL}
+	  || $hd1->{device_UUID} && $hd2->{device_UUID} && $hd1->{device_UUID} eq $hd2->{device_UUID}
 	  || $hd1->{device} && $hd2->{device} && $hd1->{device} eq $hd2->{device};
     }
 }
diff --git a/perl-install/fs/mount.pm b/perl-install/fs/mount.pm
index f22283573..950eb1715 100644
--- a/perl-install/fs/mount.pm
+++ b/perl-install/fs/mount.pm
@@ -125,7 +125,7 @@ sub umount {
 sub part {
     my ($part, $b_rdonly, $o_wait_message) = @_;
 
-    log::l("mount_part: " . join(' ', map { "$_=$part->{$_}" } 'device', 'mntpoint', 'isMounted', 'real_mntpoint'));
+    log::l("mount_part: " . join(' ', map { "$_=$part->{$_}" } 'device', 'mntpoint', 'isMounted', 'real_mntpoint', 'device_UUID'));
 
     return if $part->{isMounted} && !($part->{real_mntpoint} && $part->{mntpoint});
 
diff --git a/perl-install/fs/type.pm b/perl-install/fs/type.pm
index 79a89e819..40e3db41e 100644
--- a/perl-install/fs/type.pm
+++ b/perl-install/fs/type.pm
@@ -280,6 +280,7 @@ sub type_subpart_from_magic {
     my $ids = call_vol_id($part);
 
     $part->{LABEL_from_magic} = $ids->{ID_FS_LABEL} if $ids->{ID_FS_LABEL};
+    $part->{UUID_from_magic} = $ids->{ID_FS_UUID} if $ids->{ID_FS_UUID};
 
     my $p;
     if ($ids->{ID_FS_USAGE} eq 'raid') {
diff --git a/perl-install/fs/wild_device.pm b/perl-install/fs/wild_device.pm
index dea15a4d3..ebb391cdf 100644
--- a/perl-install/fs/wild_device.pm
+++ b/perl-install/fs/wild_device.pm
@@ -15,6 +15,8 @@ sub analyze {
 	'dev', "/dev/$dev";
     } elsif ($dev =~ /^LABEL=(.*)/) {
 	'label', $1;
+    } elsif ($dev =~ /^UUID=(.*)/) {
+	'uuid', $1;
     } elsif ($dev eq 'none' || $dev eq 'rootfs') {
 	'virtual';
     } elsif ($dev =~ m!^(\S+):/\w!) {
@@ -34,6 +36,8 @@ sub to_subpart {
     if (my ($kind, $val) = analyze($dev)) {
 	if ($kind eq 'label') {	    
 	    $part->{device_LABEL} = $val;
+	} elsif ($kind eq 'label') {	    
+	    $part->{device_UUID} = $val;
 	} elsif ($kind eq 'dev') {
 	    my %part = (faked_device => 0);
 	    if (my $rdev = (stat "$::prefix$dev")[6]) {
@@ -51,6 +55,7 @@ sub to_subpart {
 		}
 		if ($keep) {
 		    $part{device_LABEL} = $1 if $dev =~  m!^disk/by-label/(.*)!;
+		    $part{device_UUID} = $1 if $dev =~  m!^disk/by-uuid/(.*)!;
 		    $part{device_alias} = $dev;
 		    $dev = $symlink;
 		}
@@ -78,6 +83,8 @@ sub from_part {
 	'LABEL=' . $part->{device_LABEL};
     } elsif ($part->{device_alias}) {
 	"/dev/$part->{device_alias}";
+    } elsif ($part->{prefer_device_UUID} && $part->{device_UUID}) {
+	'UUID=' . $part->{device_UUID};
     } else {
 	my $faked_device = exists $part->{faked_device} ? 
 	    $part->{faked_device} : 
-- 
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