the-distro/channel-scripts
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Rsync channel redirects to nixos.org

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This commit is contained in:
Eelco Dolstra 2019-01-24 23:25:12 +01:00
parent 7f650ec13e
commit 90fcc7be84
2 changed files with 11 additions and 6 deletions
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2
default.nix
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@ -27,7 +27,7 @@ stdenv.mkDerivation {
-lsqlite3
cp ${./mirror-nixos-branch.pl} $out/bin/mirror-nixos-branch
wrapProgram $out/bin/mirror-nixos-branch --set PERL5LIB $PERL5LIB --prefix PATH : ${wget}/bin:${git}/bin:${nix}/bin:${gnutar}/bin:${xz}/bin:$out/bin
wrapProgram $out/bin/mirror-nixos-branch --set PERL5LIB $PERL5LIB --prefix PATH : ${wget}/bin:${git}/bin:${nix}/bin:${gnutar}/bin:${xz}/bin:${rsync}/bin:${openssh}/bin:$out/bin
patchShebangs $out/bin
'';

15
mirror-nixos-branch.pl
View file

@ -25,8 +25,9 @@ my $channelDirRel = $channelName eq "nixpkgs-unstable" ? "nixpkgs" : "$1/$2";
# Configuration.
my $channelsDir = "/data/releases/channels";
my $filesCache = "/data/releases/nixos-files.sqlite";
my $TMPDIR = $ENV{'TMPDIR'} // "/tmp";
my $channelsDir = "/home/hydra-mirror/channels";
my $filesCache = "${TMPDIR}/nixos-files.sqlite";
my $bucketName = "nix-releases";
$ENV{'GIT_DIR'} = "/home/hydra-mirror/nixpkgs-channels";
@ -72,16 +73,17 @@ my $rev = $evalInfo->{jobsetevalinputs}->{nixpkgs}->{revision} or die;
print STDERR "release is ‘$releaseName’ (build $releaseId), eval is $evalId, prefix is $releasePrefix, Git commit is $rev\n";
# Guard against the channel going back in time.
my @releaseUrl = split(/\//, read_file("$channelsDir/$channelName", err_mode => 'quiet') // "");
my $curRelease = pop @releaseUrl;
my @curReleaseUrl = split(/\//, read_file("$channelsDir/$channelName", err_mode => 'quiet') // "");
my $curRelease = pop @curReleaseUrl;
my $d = `NIX_PATH= nix-instantiate --eval -E "builtins.compareVersions (builtins.parseDrvName \\"$curRelease\\").version (builtins.parseDrvName \\"$releaseName\\").version"`;
chomp $d;
die "channel would go back in time from $curRelease to $releaseName, bailing out\n" if $d == 1;
exit if $d == 0;
if ($bucket->head_key("$releasePrefix")) {
print STDERR "release already exists\n";
} else {
my $tmpDir = "/data/releases/tmp/release-$channelName/$releaseName";
my $tmpDir = "$TMPDIR/release-$channelName/$releaseName";
File::Path::make_path($tmpDir);
write_file("$tmpDir/src-url", $evalUrl);
@ -226,3 +228,6 @@ system("git remote update origin >&2") == 0 or die;
system("git push channels $rev:refs/heads/$channelName >&2") == 0 or die;
flock($lockfile, LOCK_UN) or die "cannot release channels lock\n";
# Upload to nixos.org.
system("rsync -avx $channelsDir/ hydra-mirror\@nixos.org:/releases/channels/") == 0 or die;