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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; }
my $binDir = $ENV{"NIX_BIN_DIR"};
$binDir = "@bindir@" unless defined $binDir;
my $libexecDir = $ENV{"NIX_LIBEXEC_DIR"};
$libexecDir = "@libexecdir@" unless defined $libexecDir;
my $stateDir = $ENV{"NIX_STATE_DIR"};
$stateDir = "@localstatedir@/nix" unless defined $stateDir;
# Prevent access problems in shared-stored installations.
umask 0022;
# 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: $?";
if (readManifest($manifest, \%narFiles, \%patches, \%successors) < 3) {
die "manifest `$url' is too old (i.e., for Nix <= 0.7)\n";
}
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 $finalPath = "$stateDir/manifests/$baseName-$hash.nixmanifest";
system("mv -f '$manifest' '$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 "$storePath\n";
print WRITE "$narFile->{deriver}\n";
print WRITE "$libexecDir/nix/download-using-manifests.pl\n";
print WRITE "0\n";
my @references = split " ", $narFile->{references};
my $count = scalar @references;
print WRITE "$count\n";
foreach my $reference (@references) {
print WRITE "$reference\n";
}
}
}
close WRITE;
waitpid $pid, 0;
$? == 0 or die "nix-store failed";
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