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#! /usr/bin/env nix-shell
#! nix-shell -i perl -p perl perlPackages.LWPUserAgent perlPackages.LWPProtocolHttps perlPackages.FileSlurp gnupg1
use strict;
use Data::Dumper;
use File::Basename;
use File::Path;
use File::Slurp;
use JSON::PP;
use LWP::UserAgent;
my $evalId = $ARGV[0] or die "Usage: $0 EVAL-ID\n";
my $releasesDir = "/home/eelco/mnt/releases";
my $nixpkgsDir = "/home/eelco/Dev/nixpkgs-pristine";
# FIXME: cut&paste from nixos-channel-scripts.
sub fetch {
my ($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 $version\n";
File::Path::make_path($releasesDir);
if (system("mountpoint -q $releasesDir") != 0) {
system("sshfs hydra-mirror:/releases $releasesDir") == 0 or die;
}
my $releaseDir = "$releasesDir/nix/$releaseName";
File::Path::make_path($releaseDir);
sub downloadFile {
my ($jobName, $productNr, $dstName) = @_;
my $buildInfo = decode_json(fetch("$evalUrl/job/$jobName", 'application/json'));
my $srcFile = $buildInfo->{buildproducts}->{$productNr}->{path} or die;
$dstName //= basename($srcFile);
my $dstFile = "$releaseDir/" . $dstName;
if (! -e $dstFile) {
print STDERR "downloading $srcFile to $dstFile...\n";
system("NIX_REMOTE=https://cache.nixos.org/ nix cat-store '$srcFile' > '$dstFile.tmp'") == 0
or die "unable to fetch $srcFile\n";
rename("$dstFile.tmp", $dstFile) or die;
}
my $sha256_expected = $buildInfo->{buildproducts}->{$productNr}->{sha256hash} or die;
my $sha256_actual = `nix hash-file --type sha256 '$dstFile'`;
chomp $sha256_actual;
if ($sha256_expected ne $sha256_actual) {
print STDERR "file $dstFile is corrupt\n";
exit 1;
}
write_file("$dstFile.sha256", $sha256_expected);
return ($dstFile, $sha256_expected);
}
downloadFile("tarball", "2"); # PDF
downloadFile("tarball", "3"); # .tar.bz2
my ($tarball, $tarballHash) = downloadFile("tarball", "4"); # .tar.xz
my ($tarball_i686_linux, $tarball_i686_linux_hash) = downloadFile("binaryTarball.i686-linux", "1");
my ($tarball_x86_64_linux, $tarball_x86_64_linux_hash) = downloadFile("binaryTarball.x86_64-linux", "1");
my ($tarball_x86_64_darwin, $tarball_x86_64_darwin_hash) = downloadFile("binaryTarball.x86_64-darwin", "1");
# Update Nixpkgs in a very hacky way.
system("cd $nixpkgsDir && git pull") == 0 or die;
my $oldName = `nix-instantiate --eval $nixpkgsDir -A nix.name`; chomp $oldName;
my $oldHash = `nix-instantiate --eval $nixpkgsDir -A nix.src.outputHash`; chomp $oldHash;
print STDERR "old stable version in Nixpkgs = $oldName / $oldHash\n";
my $fn = "$nixpkgsDir/pkgs/tools/package-management/nix/default.nix";
my $oldFile = read_file($fn);
$oldFile =~ s/$oldName/"$releaseName"/g;
$oldFile =~ s/$oldHash/"$tarballHash"/g;
write_file($fn, $oldFile);
$oldName =~ s/nix-//g;
$oldName =~ s/"//g;
sub getStorePath {
my ($jobName) = @_;
my $buildInfo = decode_json(fetch("$evalUrl/job/$jobName", 'application/json'));
die unless $buildInfo->{buildproducts}->{1}->{type} eq "nix-build";
return $buildInfo->{buildproducts}->{1}->{path};
}
write_file("$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" .
" x86_64-darwin = \"" . getStorePath("build.x86_64-darwin") . "\";\n" .
"}\n");
system("cd $nixpkgsDir && git commit -a -m 'nix: $oldName -> $version'") == 0 or die;
# Extract the HTML manual.
File::Path::make_path("$releaseDir/manual");
system("tar xvf $tarball --strip-components=3 -C $releaseDir/manual --wildcards '*/doc/manual/*.html' '*/doc/manual/*.css' '*/doc/manual/*.gif' '*/doc/manual/*.png'") == 0 or die;
if (! -e "$releaseDir/manual/index.html") {
symlink("manual.html", "$releaseDir/manual/index.html") or die;
}
# Update the "latest" symlink.
symlink("$releaseName", "$releasesDir/nix/latest-tmp") or die;
rename("$releasesDir/nix/latest-tmp", "$releasesDir/nix/latest") or die;
# 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;
# Update the website.
my $siteDir = "/home/eelco/Dev/nixos-homepage-pristine";
system("cd $siteDir && git pull") == 0 or die;
write_file("$siteDir/nix-release.tt",
"[%-\n" .
"latestNixVersion = \"$version\"\n" .
"nix_hash_i686_linux = \"$tarball_i686_linux_hash\"\n" .
"nix_hash_x86_64_linux = \"$tarball_x86_64_linux_hash\"\n" .
"nix_hash_x86_64_darwin = \"$tarball_x86_64_darwin_hash\"\n" .
"-%]\n");
system("cd $siteDir && nix-shell --run 'make nix/install nix/install.sig'") == 0 or die;
system("cd $siteDir && git commit -a -m 'Nix $version released'") == 0 or die;
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