blob: bca6c4c8acc574ff95a37da3c59f4775e118bc07 (
plain)
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
|
use strict;
sub processURL {
my $manifest = shift;
my $url = shift;
my $storepaths2urls = shift;
my $urls2hashes = shift;
my $successors = shift;
$url =~ s/\/$//;
print "obtaining list of Nix archives at $url...\n";
system("@curl@ --fail --silent --show-error --location --max-redirs 20 " .
"'$url' > '$manifest' 2> /dev/null") == 0
or die "curl failed: $?";
open MANIFEST, "<$manifest";
my $inside = 0;
my $storepath;
my $narurl;
my $hash;
my @preds;
while (<MANIFEST>) {
chomp;
s/\#.*$//g;
next if (/^$/);
if (!$inside) {
if (/^\{$/) {
$inside = 1;
undef $storepath;
undef $narurl;
undef $hash;
@preds = ();
}
else { die "bad line: $_"; }
} else {
if (/^\}$/) {
$inside = 0;
$$storepaths2urls{$storepath} = $narurl;
$$urls2hashes{$narurl} = $hash;
foreach my $p (@preds) {
$$successors{$p} = $storepath;
}
}
elsif (/^\s*StorePath:\s*(\/\S+)\s*$/) {
$storepath = $1;
}
elsif (/^\s*NarURL:\s*(\S+)\s*$/) {
$narurl = $1;
}
elsif (/^\s*MD5:\s*(\S+)\s*$/) {
$hash = $1;
}
elsif (/^\s*SuccOf:\s*(\/\S+)\s*$/) {
push @preds, $1;
}
else { die "bad line: $_"; }
}
}
close MANIFEST;
}
return 1;
|
