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#! @perl@ -w -I@libexecdir@/nix
use strict;
use IPC::Open2;
use POSIX qw(tmpnam);
use readmanifest;
my $tmpdir;
do { $tmpdir = tmpnam(); }
until mkdir $tmpdir, 0777;
my $manifest = "$tmpdir/manifest";
END { unlink $manifest; rmdir $tmpdir; }
# Obtain URLs either from the command line or from a configuration file.
my %narFiles;
my %patches;
my %successors;
sub processURL {
my $url = shift;
$url =~ s/\/$//;
print "obtaining list of Nix archives at $url...\n";
system("@curl@ --fail --silent --show-error --location --max-redirs 20 " .
"'$url' > '$manifest'") == 0
or die "curl failed: $?";
readManifest $manifest, \%narFiles, \%patches, \%successors;
my $baseName = "unnamed";
if ($url =~ /\/([^\/]+)\/[^\/]+$/) { # get the forelast component
$baseName = $1;
}
my $hash = `@bindir@/nix-hash --flat '$manifest'`
or die "cannot hash `$manifest'";
chomp $hash;
my $finalPath = "@localstatedir@/nix/manifests/$baseName-$hash.nixmanifest";
system("mv '$manifest' '$finalPath'") == 0
or die "cannot move `$manifest' to `$finalPath";
}
while (@ARGV) {
my $url = shift @ARGV;
processURL $url;
}
my $size = scalar (keys %narFiles);
print "$size store paths in manifest\n";
# Register all substitutes.
print STDERR "registering substitutes...\n";
my $pid = open2(\*READ, \*WRITE, "@bindir@/nix-store --substitute")
or die "cannot run nix-store";
close READ;
foreach my $storePath (keys %narFiles) {
my $narFileList = $narFiles{$storePath};
foreach my $narFile (@{$narFileList}) {
print WRITE "$storePath\n";
print WRITE "@libexecdir@/nix/download-using-manifests.pl\n";
print WRITE "0\n";
}
}
close WRITE;
waitpid $pid, 0;
$? == 0 or die "nix-store failed";
# Register all successors.
print STDERR "registering successors...\n";
my @sucs = %successors;
while (scalar @sucs > 0) {
my $n = scalar @sucs;
if ($n > 256) { $n = 256 };
my @sucs2 = @sucs[0..$n - 1];
@sucs = @sucs[$n..scalar @sucs - 1];
system "@bindir@/nix-store --successor @sucs2";
if ($?) { die "`nix-store --successor' failed"; }
}
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