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#! /usr/bin/env nix-shell
#! nix-shell -i perl -p perl perlPackages.LWPUserAgent perlPackages.LWPProtocolHttps perlPackages.FileSlurp perlPackages.NetAmazonS3 gnupg1
use strict;
use Data::Dumper;
use File::Basename;
use File::Path;
use File::Slurp;
use File::Copy;
use JSON::PP;
use LWP::UserAgent;
use Net::Amazon::S3;
my $evalId = $ARGV[0] or die "Usage: $0 EVAL-ID\n";
my $releasesBucketName = "nix-releases";
my $channelsBucketName = "nix-channels";
my $nixpkgsDir = "/home/eelco/Dev/nixpkgs-pristine";
my $TMPDIR = $ENV{'TMPDIR'} // "/tmp";
# FIXME: cut&paste from nixos-channel-scripts.
sub fetch {
my ($url, $type) = @_;
my $ua = LWP::UserAgent->new;
$ua->default_header('Accept', $type) if defined $type;
my $response = $ua->get($url);
die "could not download $url: ", $response->status_line, "\n" unless $response->is_success;
return $response->decoded_content;
}
my $evalUrl = "https://hydra.nixos.org/eval/$evalId";
my $evalInfo = decode_json(fetch($evalUrl, 'application/json'));
#print Dumper($evalInfo);
my $nixRev = $evalInfo->{jobsetevalinputs}->{nix}->{revision} or die;
my $tarballInfo = decode_json(fetch("$evalUrl/job/tarball", 'application/json'));
my $releaseName = $tarballInfo->{releasename};
$releaseName =~ /nix-(.*)$/ or die;
my $version = $1;
print STDERR "Nix revision is $nixRev, version is $version\n";
my $releaseDir = "nix/$releaseName";
my $tmpDir = "$TMPDIR/nix-release/$releaseName";
File::Path::make_path($tmpDir);
# S3 setup.
my $aws_access_key_id = $ENV{'AWS_ACCESS_KEY_ID'} or die "No AWS_ACCESS_KEY_ID given.";
my $aws_secret_access_key = $ENV{'AWS_SECRET_ACCESS_KEY'} or die "No AWS_SECRET_ACCESS_KEY given.";
my $s3 = Net::Amazon::S3->new(
{ aws_access_key_id => $aws_access_key_id,
aws_secret_access_key => $aws_secret_access_key,
retry => 1,
host => "s3-eu-west-1.amazonaws.com",
});
my $releasesBucket = $s3->bucket($releasesBucketName) or die;
my $s3_us = Net::Amazon::S3->new(
{ aws_access_key_id => $aws_access_key_id,
aws_secret_access_key => $aws_secret_access_key,
retry => 1,
});
my $channelsBucket = $s3_us->bucket($channelsBucketName) or die;
sub downloadFile {
my ($jobName, $productNr, $dstName) = @_;
my $buildInfo = decode_json(fetch("$evalUrl/job/$jobName", 'application/json'));
my $srcFile = $buildInfo->{buildproducts}->{$productNr}->{path} or die "job '$jobName' lacks product $productNr\n";
$dstName //= basename($srcFile);
my $tmpFile = "$tmpDir/$dstName";
if (!-e $tmpFile) {
print STDERR "downloading $srcFile to $tmpFile...\n";
system("NIX_REMOTE=https://cache.nixos.org/ nix cat-store '$srcFile' > '$tmpFile'") == 0
or die "unable to fetch $srcFile\n";
}
my $sha256_expected = $buildInfo->{buildproducts}->{$productNr}->{sha256hash} or die;
my $sha256_actual = `nix hash-file --base16 --type sha256 '$tmpFile'`;
chomp $sha256_actual;
if ($sha256_expected ne $sha256_actual) {
print STDERR "file $tmpFile is corrupt, got $sha256_actual, expected $sha256_expected\n";
exit 1;
}
write_file("$tmpFile.sha256", $sha256_expected);
if (! -e "$tmpFile.asc") {
system("gpg2 --detach-sign --armor $tmpFile") == 0 or die "unable to sign $tmpFile\n";
}
return $sha256_expected;
}
downloadFile("tarball", "2"); # .tar.bz2
my $tarballHash = downloadFile("tarball", "3"); # .tar.xz
downloadFile("binaryTarball.i686-linux", "1");
downloadFile("binaryTarball.x86_64-linux", "1");
downloadFile("binaryTarball.aarch64-linux", "1");
downloadFile("binaryTarball.x86_64-darwin", "1");
downloadFile("installerScript", "1");
for my $fn (glob "$tmpDir/*") {
my $name = basename($fn);
my $dstKey = "$releaseDir/" . $name;
unless (defined $releasesBucket->head_key($dstKey)) {
print STDERR "uploading $fn to s3://$releasesBucketName/$dstKey...\n";
my $configuration = ();
$configuration->{content_type} = "application/octet-stream";
if ($fn =~ /.sha256|.asc|install/) {
# Text files
$configuration->{content_type} = "text/plain";
}
$releasesBucket->add_key_filename($dstKey, $fn, $configuration)
or die $releasesBucket->err . ": " . $releasesBucket->errstr;
}
}
exit if $version =~ /pre/;
# Update nix-fallback-paths.nix.
system("cd $nixpkgsDir && git pull") == 0 or die;
sub getStorePath {
my ($jobName) = @_;
my $buildInfo = decode_json(fetch("$evalUrl/job/$jobName", 'application/json'));
for my $product (values %{$buildInfo->{buildproducts}}) {
next unless $product->{type} eq "nix-build";
next if $product->{path} =~ /[a-z]+$/;
return $product->{path};
}
die;
}
write_file("$nixpkgsDir/nixos/modules/installer/tools/nix-fallback-paths.nix",
"{\n" .
" x86_64-linux = \"" . getStorePath("build.x86_64-linux") . "\";\n" .
" i686-linux = \"" . getStorePath("build.i686-linux") . "\";\n" .
" aarch64-linux = \"" . getStorePath("build.aarch64-linux") . "\";\n" .
" x86_64-darwin = \"" . getStorePath("build.x86_64-darwin") . "\";\n" .
"}\n");
system("cd $nixpkgsDir && git commit -a -m 'nix-fallback-paths.nix: Update to $version'") == 0 or die;
# Update the "latest" symlink.
$channelsBucket->add_key(
"nix-latest/install", "",
{ "x-amz-website-redirect-location" => "https://releases.nixos.org/$releaseDir/install" })
or die $channelsBucket->err . ": " . $channelsBucket->errstr;
# Tag the release in Git.
chdir("/home/eelco/Dev/nix-pristine") or die;
system("git remote update origin") == 0 or die;
system("git tag --force --sign $version $nixRev -m 'Tagging release $version'") == 0 or die;
system("git push --tags") == 0 or die;
system("git push --force-with-lease origin $nixRev:refs/heads/latest-release") == 0 or die;
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