(channel
 (version 0)
 (directory ".guix/modules")
 (keyring-reference "keyring")
 (dependencies
  (channel
   (name guix-bioinformatics)
   (url "https://git.genenetwork.org/guix-bioinformatics")
   (branch "master"))
  ;; FIXME: guix-bioinformatics depends on guix-past. So, there
  ;; should be no reason to explicitly depend on guix-past. But, the
  ;; channel does not build otherwise. This is probably a guix bug.
  (channel
   (name guix-past)
   (url "https://gitlab.inria.fr/guix-hpc/guix-past")
   (introduction
    (channel-introduction
     (version 0)
     (commit "0c119db2ea86a389769f4d2b9c6f5c41c027e336")
     (signer
      "3CE4 6455 8A84 FDC6 9DB4  0CFB 090B 1199 3D9A EBB5"))))))