[faiproject/fai] 87aacc: add subroutine install_debs_from_data

[Mrfai]

  Branch: refs/heads/master
  Home:   https://github.com/faiproject/fai
  Commit: 87aacc41101d94b057b581271d8872e9119d87d4
      https://github.com/faiproject/fai/commit/87aacc41101d94b057b581271d8872e9119d87d4
  Author: Thomas Lange <lange at debian.org>
  Date:   2023-12-09 (Sat, 09 Dec 2023)

  Changed paths:
    M lib/subroutines

  Log Message:
  -----------
  add subroutine install_debs_from_data


  Commit: d8b14346347d705691fb00f477e5c64c21ec1e2f
      https://github.com/faiproject/fai/commit/d8b14346347d705691fb00f477e5c64c21ec1e2f
  Author: Thomas Lange <lange at debian.org>
  Date:   2023-12-09 (Sat, 09 Dec 2023)

  Changed paths:
    M lib/subroutines

  Log Message:
  -----------
  add test if list is empty


  Commit: 0c57ffa96fff6c592de836ed94fccb85a7d6c423
      https://github.com/faiproject/fai/commit/0c57ffa96fff6c592de836ed94fccb85a7d6c423
  Author: Thomas Lange <lange at debian.org>
  Date:   2023-12-09 (Sat, 09 Dec 2023)

  Changed paths:
    M lib/subroutines

  Log Message:
  -----------
  install debs in /media/data/debs afterwards


Compare: https://github.com/faiproject/fai/compare/b139abee5ec9...0c57ffa96fff