hydra-eval-guile-jobs: Add "This file is part of Hydra".

Dependencies

• [2] W2VB36NM guile: Raise default absolute timeout to from 2h to 20h.
• [*] QMW24O5S Add support for Guile & Guix.

Change contents

• edit in src/script/hydra-eval-guile-jobs.in at line 18
  [2.66]

  [4.3239]
  + ;;;

  + ;;; This file is part of Hydra.