From 20e553d8f0ead3d5de1fb61d1aa255dd35549cf2 Mon Sep 17 00:00:00 2001
From: Pascal Rigaux <pixel@mandriva.com>
Date: Tue, 19 Apr 2005 13:46:55 +0000
Subject: remove redundancy using gi/perl-install pms

---
 rescue/lsparts | 129 ++++++++-------------------------------------------------
 1 file changed, 18 insertions(+), 111 deletions(-)

diff --git a/rescue/lsparts b/rescue/lsparts
index edbf2900e..1ae61cd20 100755
--- a/rescue/lsparts
+++ b/rescue/lsparts
@@ -13,124 +13,31 @@
 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 #
 #
-# This code is extracted from DrakX, the Mandriva Linux graphical installer.
-#   http://www.mandrivalinux.com/drakx/
-# Open development rulz, find CVS here:
-#   http://www.mandrivalinux.com/cgi-bin/cvsweb.cgi/gi/
-#
 # Detects partition types using signatures
 #
 
-sub cat_ { local *F; open F, $_[0] or $_[1] ? die "cat of file $_[0] failed: $!\n" : return; my @l = <F>; wantarray ? @l : join '', @l }
-
-sub arch() {
-    my $t = `uname -m`;
-    chomp $t;
-    $t;
-}
-
-# from Perl Cookbook / Pleac
-# http://pleac.sourceforge.net/pleac_perl/numbers.html#AEN121
-sub commify {
-    my $text = reverse $_[0];
-    $text =~ s/(\d\d\d)(?=\d)(?!\d*\.)/$1,/g;
-    return scalar reverse $text;
-}
-
-my @partitions_signatures = (
-    [ 0x8e, 0, "HM\1\0" ],
-    [ 0x83, 0x438, "\x53\xEF" ],
-    [ 0x183, 0x10034, "ReIsErFs" ],
-    [ 0x183, 0x10034, "ReIsEr2Fs" ],
-    [ 0x283, 0, 'XFSB', 0x200, 'XAGF', 0x400, 'XAGI' ],
-    [ 0x383, 0x8000, 'JFS1' ],
-    [ 0x82, 4086, "SWAP-SPACE" ],
-    [ 0x82, 4086, "SWAPSPACE2" ],
-    [ 0x7,  0x1FE, "\x55\xAA", 0x3, "NTFS" ],
-    [ 0xc,  0x1FE, "\x55\xAA", 0x52, "FAT32" ],
-arch() !~ /^sparc/ ? (
-    [ 0x6,  0x1FE, "\x55\xAA", 0x36, "FAT" ],
-) : (),
-);
-
-sub typeFromMagic {
-    my $f = shift;
-    local *F; sysopen F, $f, 0 or return;
-
-    my $tmp;
-  M: foreach (@partitions_signatures) {
-	my ($name, @l) = @$_;
-	while (@l) {
-	    my ($offset, $signature) = splice(@l, 0, 2);
-	    sysseek(F, $offset, 0) or next M;
-	    sysread(F, $tmp, length $signature);
-	    $tmp eq $signature or next M;
-	}
-	return $name;
-    }
-    return -1;
-}
-
-my %type2name = (
-		 0x1 => 'DOS 12-bit FAT',
-		 0x4 => 'DOS 16-bit FAT (up to 32M)',
-		 0x5 => 'DOS 3.3+ Extended Partition',
-		 0x6 => 'DOS FAT16',
-		 0x7 => 'NTFS (or HPFS)',
-		 0xb => 'Win98 FAT32',
-		 0xc => 'Win98 FAT32, LBA-mapped',
-		 0xe => 'Win95: DOS 16-bit FAT, LBA-mapped',
-		 0xf => 'Win95: Extended partition, LBA-mapped',
-		 0x82 => 'Linux Swap',
-		 0x83 => 'Ext2',
-		 0x183 => 'ReiserFS',
-		 0x283 => 'XFS',
-		 0x383 => 'JFS',
-		 0x85 => 'Linux extended partition',
-		 0x87 => 'NTFS volume set',
-		 0x8e => 'Linux LVM',
-		 -1 => 'unknown'
-		);
-
+use lib qw(/usr/lib/libDrakX ../perl-install);
+use common;
+use devices;
+use fs::type;
 
 my $params = join '', @ARGV;
+my $verbose = $params =~ /-v/;
 
 $params =~ /-h/ and die "usage: lsparts [-v]\n";
-$params =~ /-v/ and $verbose = 1;
 
 
-my (undef, undef, @parts) = cat_('/proc/partitions');
-
-P: foreach (@parts) {
-    my (undef, undef, $blocks, $dev) = split or next;
-    my %skip_conditions = (
-			   "Skipping <$dev> because too little blocks ($blocks)" => ($blocks <= 1),
-			   "Skipping <$dev> because doesn't end with a number (e.g. seems to not be a partition)" => ($dev !~ /\d$/),
-			  );
-    $skip_conditions{$_} and ($verbose and print(STDERR $_, "\n")), next P foreach keys %skip_conditions;
-    my $type = typeFromMagic("/dev/$dev");
-    $type and printf "$dev: %6s Mbytes, type <0x%0x> (%s)\n", commify($blocks >> 10), $type, $type2name{$type};
+foreach (devices::read_proc_partitions_raw()) {
+    if (my $err = $_->{size} <= 1 ?
+	"Skipping <$_->{dev}> because too little blocks ($_->{size})" :
+	  $_->{dev} !~ /\d$/ ?
+	"Skipping <$_->{dev}> because doesn't end with a number (e.g. seems to not be a partition)" :
+	  '') {
+	print STDERR "$err\n" if $verbose;
+    } else {
+	$_->{device} = $_->{dev};
+	if (my $type = fs::type::type_subpart_from_magic($_)) {
+	    printf "$_->{dev}: %6s, fs %s (%s)\n", formatXiB($_->{size} * 512), $type->{fs_type}, fs::type::part2type_name($type);
+	}
+    }
 }
-
-
-#-------------------------------------------------
-#- $Log$
-#- Revision 1.5  2005/04/19 13:10:25  prigaux
-#- mandriva switch
-#-
-#- Revision 1.4  2004/07/20 02:42:12  prigaux
-#- MandrakeSoft -> Mandrakesoft
-#-
-#- Revision 1.3  2004/07/19 04:09:06  prigaux
-#- replace "Mandrake Linux" with "Mandrakelinux"
-#-
-#- Revision 1.2  2002/01/10 21:28:15  gc
-#- better looking output of type of partition (%x => %0x)
-#-
-#- Revision 1.1  2001/10/24 22:34:01  gc
-#- - add a GUI to the rescue
-#-   - provide guessmounts with better efficiency and output, go to console, and reboot
-#-   - provide install_bootloader which runs lilo from /mnt if it seems safe
-#- - add lsparts to rescue, which prints partitions with detected types
-#-
-#
-- 
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