declarative projects: Pull jobset spec build from the remote store

Dependencies

• [2] B3UW2ZRB Restart jobset evals efficiently
• [3] 6WRGCITD Enable declarative projects.
• [4] GEADFVZ5 hydra-queue-runner: Improved scheduling
• [5] 3BTJRSU3 GitInput.pm: Don't do a chdir to the Git clone
• [6] UOINKJ2J Add an action to cancel all builds in a jobset eval
• [7] INNOEHO6 * Fix getBuildLog for bzip2'd files.
• [8] JAH3UPWA Support revision control systems via plugins
• [9] VHV6GI4L Add a jobset eval action to restart all aborted/cancelled builds
• [10] OSVLMLCQ hydra: factored out build restart and
• [*] OOQ2D3KC * Refactoring: move fetchInput out of hydra_scheduler into a separate
• [*] 2GK5DOU7 * Downloading closures.

Change contents

• replacement in src/lib/Hydra/Helper/AddBuilds.pm at line 71
  [3.2172]→[3.2172:2216](∅→∅)
  − my $declText = read_file($declPath)
  [3.2172]

  [3.2216]
  + my $declText = readNixFile($declPath)
• replacement in src/lib/Hydra/Helper/Nix.pm at line 26
  [4.1050]→[4.1060:1079](∅→∅)
  − getTotalShares
  [4.1050]

  [4.688]
  + getTotalShares readNixFile
• replacement in src/lib/Hydra/Helper/Nix.pm at line 415
  [4.423]→[4.423:525](∅→∅)
  − init => sub { chdir $args{dir} or die "changing to $args{dir}" if defined $args{dir}; });
  [4.423]

  [4.525]
  + init => sub {

  + chdir $args{dir} or die "changing to $args{dir}" if defined $args{dir};

  + if (defined $args{env}) {

  + foreach my $key (keys %{$args{env}}) {

  + if (defined $args{env}->{$key}) {

  + $ENV{$key} = $args{env}->{$key};

  + } else {

  + delete $ENV{$key};

  + }

  + }

  + }

  + });
• edit in src/lib/Hydra/Helper/Nix.pm at line 512
  [2.1137]

  [4.1616]
  + }

  +

  +

  + # Read a file from the (possibly remote) nix store

  + sub readNixFile {

  + my ($path) = @_;

  + my $config = getHydraConfig();

  + my $storeUri = $config->{'store_uri'} // "";

  + return grab(cmd => ["nix", "cat-store", "$path"], env => { NIX_REMOTE => "$storeUri" });