forked from lix-project/lix
73 lines
1.6 KiB
Perl
73 lines
1.6 KiB
Perl
|
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 $url...\n";
|
||
|
|
|
||
|
|
system "wget --cache=off '$url'/MANIFEST -O '$manifest' 2> /dev/null"; # !!! escape
|
||
|
|
if ($?) { die "`wget' failed"; }
|
||
|
|
|
||
|
|
open MANIFEST, "<$manifest";
|
||
|
|
|
||
|
|
my $inside = 0;
|
||
|
|
|
||
|
|
my $storepath;
|
||
|
|
my $narname;
|
||
|
|
my $hash;
|
||
|
|
my @preds;
|
||
|
|
|
||
|
|
while (<MANIFEST>) {
|
||
|
|
chomp;
|
||
|
|
s/\#.*$//g;
|
||
|
|
next if (/^$/);
|
||
|
|
|
||
|
|
if (!$inside) {
|
||
|
|
if (/^\{$/) {
|
||
|
|
$inside = 1;
|
||
|
|
undef $storepath;
|
||
|
|
undef $narname;
|
||
|
|
undef $hash;
|
||
|
|
@preds = ();
|
||
|
|
}
|
||
|
|
else { die "bad line: $_"; }
|
||
|
|
} else {
|
||
|
|
if (/^\}$/) {
|
||
|
|
$inside = 0;
|
||
|
|
my $fullurl = "$url/$narname";
|
||
|
|
|
||
|
|
$$storepaths2urls{$storepath} = $fullurl;
|
||
|
|
$$urls2hashes{$fullurl} = $hash;
|
||
|
|
|
||
|
|
foreach my $p (@preds) {
|
||
|
|
$$successors{$p} = $storepath;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
elsif (/^\s*StorePath:\s*(\/\S+)\s*$/) {
|
||
|
|
$storepath = $1;
|
||
|
|
}
|
||
|
|
elsif (/^\s*NarName:\s*(\S+)\s*$/) {
|
||
|
|
$narname = $1;
|
||
|
|
}
|
||
|
|
elsif (/^\s*MD5:\s*(\S+)\s*$/) {
|
||
|
|
$hash = $1;
|
||
|
|
}
|
||
|
|
elsif (/^\s*SuccOf:\s*(\/\S+)\s*$/) {
|
||
|
|
push @preds, $1;
|
||
|
|
}
|
||
|
|
else { die "bad line: $_"; }
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
close MANIFEST;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
return 1;
|