mirror of
https://github.com/privatevoid-net/nix-super.git
synced 2024-11-22 22:16:16 +02:00
92 lines
2.1 KiB
Text
92 lines
2.1 KiB
Text
#! @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"; }
|
|
}
|