USER -> LOGNAME for consistency

Dependencies

• [2] YXYXJDMB hydra-queue-runner: Write GC roots for outputs paths
• [3] BG6PEOB2 Make the output size limit configurable
• [4] NSBNNM77 Add hydra.conf option "nar_buffer_size" to configure memoryTokens limit
• [5] IGLIPGT6 Make maxLogSize configurable
• [6] EYIB6HA6 Supress debug message
• [7] FHVJYJFE Upload build logs to the binary cache
• [*] 24BMQDZA Start of single-process hydra-queue-runner

Change contents

• edit in src/hydra-queue-runner/hydra-queue-runner.cc at line 83
  [3.1365]

  [3.1365]
  + std::string getEnvOrDie(const std::string & key)

  + {

  + char * value = getenv(key.c_str());

  + if (!value) throw Error("environment variable '%s' is not set", key);

  + return value;

  + }

  +

  +
• replacement in src/hydra-queue-runner/hydra-queue-runner.cc at line 98
  [3.775]→[2.116:250](∅→∅)
  − , rootsDir(config->getStrOption("gc_roots_dir", fmt("%s/gcroots/per-user/%s/hydra-roots", settings.nixStateDir, getEnv("USER"))))
  [3.775]

  [3.1572]
  + , rootsDir(config->getStrOption("gc_roots_dir", fmt("%s/gcroots/per-user/%s/hydra-roots", settings.nixStateDir, getEnvOrDie("LOGNAME"))))
• replacement in src/hydra-queue-runner/hydra-queue-runner.cc at line 102
  [3.1652]→[3.1652:1755](∅→∅)
  − hydraData = getEnv("HYDRA_DATA");

  − if (hydraData == "") throw Error("$HYDRA_DATA must be set");
  [3.1652]

  [3.3938]
  + hydraData = getEnvOrDie("HYDRA_DATA");