1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
#!/usr/bin/perl
use strict;
$ENV{'PATH'} = "/bin:/usr/bin:/sbin:/usr/sbin";
$| = 1;
if ($0 ne '/.build/extractbuild') {
my $builddir = $ENV{'BUILD_DIR'} || '/usr/lib/build';
my $xen;
my $xenswap;
while (@ARGV) {
if ($ARGV[0] eq '--xen') {
shift @ARGV;
$xen = shift @ARGV;
next;
}
if ($ARGV[0] eq '--xenswap') {
shift @ARGV;
$xenswap = shift @ARGV;
next;
}
last
}
die("please specify a root image\n") unless defined $xen;
die("please specify a swap image\n") unless defined $xenswap;
my $xenname = $xen;
$xenname =~ s/\/root$//;
$xenname =~ s/.*\///;
my $xmroot = "disk=file:$xen,hda1,w";
$xmroot = "disk=phy:$xen,hda1,w" if $xen =~ /^\/dev\//;
my $xmswap= "disk=file:$xenswap,hda2,w";
$xmswap= "disk=phy:$xen,hda2,w" if $xenswap =~ /^\/dev\//;
syscall(135, 0); # switch back to PER_LINUX to make xm work
system('xm', 'create', '-c', "$builddir/xen.conf", "name=build:$xenname", $xmroot, $xmswap, "extra=init=/.build/extractbuild panic=1 console=ttyS0") && die("xm call failed: $?\n");
exit(0);
}
sub ls {
local *D;
opendir(D, $_[0]) || return ();
my @r = grep {$_ ne '.' && $_ ne '..'} readdir(D);
closedir D;
return @r;
}
open(F, '</.build/build.data') || die("/.build/build.data: $!\n");
my (%vars, $var, $val);
my $l = '';
while (<F>) {
chomp;
$l .= $_;
my $q = $l =~ tr/\'/\'/;
if ($q < 2 || ($q - 2) % 3 != 0) {
$l .= "\n";
next;
}
if ($l =~ /^([a-zA-Z0-9]*)=\'(.*)\'$/s) {
$var = $1;
$val = $2;
$val =~ s/\'\\\'\'/\'/gs;
$vars{$var} = $val;
}
$l = '';
}
close F;
my $xenswap = $vars{'XENSWAP'};
die("need XENSWAP for swapout operation\n") unless $xenswap;
system("umount -l /dev 2>/dev/null");
die("$xenswap: $!\n") unless -e $xenswap;
open(S, '>', $xenswap) || die("$xenswap: $!\n");
my $specfile = $vars{'SPECFILE'};
die("no specfile/dscfile\n") unless $specfile;
my $topdir = '/usr/src/packages';
my $psuf = 'deb';
my @dirs = ($topdir);
if ($specfile =~ /\.spec$/) {
$topdir = `rpm --eval '%_topdir'`;
chomp $topdir;
die("rpm returned no topdir\n") unless $topdir;
die("rpm returned bad topdir\n") unless -d $topdir;
@dirs = map {"$topdir/RPMS/$_"} ls("$topdir/RPMS");
unshift @dirs, "$topdir/SRPMS";
$psuf = 'rpm';
}
my @packs;
for my $dir (@dirs) {
push @packs, map {"$dir/$_"} grep {/$psuf$/} ls($dir);
}
#unshift @packs, '/.build.log';
my $cpio = '';
for my $pack (@packs) {
print "$pack\n";
my @s = stat($pack);
my $n = $pack;
$n =~ s/.*\///;
$n = 'logfile' if $n eq '.build.log';
die("$pack: $!\n") unless @s;
$cpio .= "07070100000000000081a4000000000000000000000001";
$cpio .= sprintf("%08x%08x", $s[9], $s[7]);
$cpio .= "00000000000000000000000000000000";
$cpio .= sprintf("%08x", length($n) + 1);
$cpio .= "00000000";
$cpio .= "$n\0";
$cpio .= substr("\0\0\0\0", (length($cpio) & 3)) if length($cpio) & 3;
open(F, '<', $pack) || die("$pack: $!\n");
my $l = $s[7];
while ($l) {
my $ll = sysread(F, $cpio, $l > 8192 ? 8192 : $l, length($cpio));
die("$pack: $!\n") unless $ll;
die if $ll > $l;
$l -= $ll;
while (length($cpio) > 4096) {
(syswrite(S, $cpio, 4096) || 0) == 4096 || die("swap write: $!\n");
$cpio = substr($cpio, 4096);
}
}
$cpio .= substr("\0\0\0\0", (length($cpio) & 3)) if length($cpio) & 3;
}
$cpio .= "07070100000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000b00000000TRAILER!!!\0\0\0\0";
$cpio .= "\0" x (4096 - length($cpio) % 4096) if length($cpio) % 4096;
while (length($cpio)) {
(syswrite(S, $cpio, 4096) || 0) == 4096 || die("swap write: $!\n");
$cpio = substr($cpio, 4096);
}
exec('halt -f');
|
