hydra-module/compressLogs: Avoid creating /root/r.

Dependencies

• [2] KMPLMG7T hydra-module.nix: Cleanup
• [3] 3FTM52B2 hydra-module: Always GC to have at least 100 GiB available.
• [4] ZYEFL36Q Ported/merged properties from the TUD configuration's hydra-module
• [5] T4DBPQOF hydra-module: Run hydra-init during hydra-init.service
• [*] D3MDJONY

Change contents

• replacement in hydra-module.nix at line 273
  [3.1346]→[2.483:522](∅→∅),[2.522]→[3.1372:1498](∅→∅),[3.1372]→[3.1372:1498](∅→∅)
  − #! ${pkgs.stdenv.shell} -e

  − touch -d 'last month' r

  − find /nix/var/log/nix/drvs -type f -a ! -newer r -name '*.drv' | xargs bzip2 -v
  [3.1346]

  [3.1498]
  + #! ${pkgs.stdenv.shell} -e

  + find /nix/var/log/nix/drvs \

  + -type f -a ! -newermt 'last month' \

  + -name '*.drv' -exec bzip2 -v {} +