grahamc/hydra - Change YXYXJDMBKFCIM4AIKCGJROUK4U3RBK5OLCBPGLA5AGERRHLGHSGAC

hydra-queue-runner: Write GC roots for outputs paths

We lost this behaviour somewhere. So build outputs could be GC'ed when running the collector with –option gc-keep-outputs false.

Created by Eelco Dolstra on October 12, 2017

YXYXJDMBKFCIM4AIKCGJROUK4U3RBK5OLCBPGLA5AGERRHLGHSGAC

Dependencies

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upstream

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Change contents

Insertion in src/hydra-queue-runner/builder.cc at line 266 [3.133]

[3.5815]

        for (auto & path : step->drv.outputPaths())
            writeFile(rootsDir + "/" + baseNameOf(path), "");

Insertion in src/hydra-queue-runner/hydra-queue-runner.cc at line 90 [5.4840]

[2.775]

[4.1572]

    , rootsDir(config->getStrOption("gc_roots_dir", fmt("%s/gcroots/per-user/%s/hydra-roots", settings.nixStateDir, getEnv("USER"))))

Insertion in src/hydra-queue-runner/queue-monitor.cc at line 224 [3.20067]

[3.24983]

[6.707]

            for (auto & path : drv.outputPaths())
                writeFile(rootsDir + "/" + baseNameOf(path), "");

Insertion in src/hydra-queue-runner/state.hh at line 439 [8.1128]

[7.1951]

[8.6778]

    /* Where to store GC roots. Defaults to
       /nix/var/nix/gcroots/per-user/$USER/hydra-roots, overridable
       via gc_roots_dir. */
    nix::Path rootsDir;