(channel
 (version 0)
 (directory ".guix")
 (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://codeberg.org/guix-science/guix-past")
   (introduction
    (channel-introduction
     (version 0)
     (commit "c3bc94ee752ec545e39c1b8a29f739405767b51c")
     (signer
      "3CE4 6455 8A84 FDC6 9DB4  0CFB 090B 1199 3D9A EBB5"))))
  (channel
   (name guix-rust-past-crates)
   (url "https://codeberg.org/guix/guix-rust-past-crates.git")
   (branch "trunk")
   (introduction
    (channel-introduction
     (version 0)
     (commit "b8b7ffbd1cec9f56f93fae4da3a74163bbc9c570")
     (signer
      "F4C2 D1DF 3FDE EA63 D1D3 0776 ACC6 6D09 CA52 8292"))))))