[faiproject/fai] a946b8: also check if FAI_ROOT is undefined

[Mrfai]

  Branch: refs/heads/master
  Home:   https://github.com/faiproject/fai
  Commit: a946b8e47f757458489ec1efef6fd62a70e6aa18
      https://github.com/faiproject/fai/commit/a946b8e47f757458489ec1efef6fd62a70e6aa18
  Author: Thomas Lange <lange at debian.org>
  Date:   2020-12-20 (Sun, 20 Dec 2020)

  Changed paths:
    M bin/install_packages

  Log Message:
  -----------
  also check if FAI_ROOT is undefined


  Commit: 34dc45214005733922c8a41d732fd7a7f003fd8b
      https://github.com/faiproject/fai/commit/34dc45214005733922c8a41d732fd7a7f003fd8b
  Author: Thomas Lange <lange at debian.org>
  Date:   2020-12-20 (Sun, 20 Dec 2020)

  Changed paths:
    M bin/install_packages

  Log Message:
  -----------
  do not write file $dryrun


  Commit: 06ae1165fb5b2a835ee585943d814d3f024af5dc
      https://github.com/faiproject/fai/commit/06ae1165fb5b2a835ee585943d814d3f024af5dc
  Author: Thomas Lange <lange at debian.org>
  Date:   2020-12-28 (Mon, 28 Dec 2020)

  Changed paths:
    M lib/setup-storage/Parser.pm

  Log Message:
  -----------
  fix typo


  Commit: 46b93bc19800778b06f03d998868928623f46709
      https://github.com/faiproject/fai/commit/46b93bc19800778b06f03d998868928623f46709
  Author: Thomas Lange <lange at debian.org>
  Date:   2020-12-29 (Tue, 29 Dec 2020)

  Changed paths:
    M lib/prcopyleft

  Log Message:
  -----------
  use new email address, year++


  Commit: f59765c09ecd1d64cb6c3366750e2239b8904584
      https://github.com/faiproject/fai/commit/f59765c09ecd1d64cb6c3366750e2239b8904584
  Author: Thomas Lange <lange at debian.org>
  Date:   2020-12-29 (Tue, 29 Dec 2020)

  Changed paths:
    M debian/copyright
    M doc/fai-guide.txt

  Log Message:
  -----------
  change email, year++


  Commit: 37a2f6d186030ebfa936efc1dd1990d300899aa1
      https://github.com/faiproject/fai/commit/37a2f6d186030ebfa936efc1dd1990d300899aa1
  Author: Thomas Lange <lange at debian.org>
  Date:   2020-12-29 (Tue, 29 Dec 2020)

  Changed paths:
    M lib/setup-storage/Commands.pm

  Log Message:
  -----------
  remove ;


  Commit: b5acce729f21652a2a7e398315dc262d663a7dbd
      https://github.com/faiproject/fai/commit/b5acce729f21652a2a7e398315dc262d663a7dbd
  Author: Thomas Lange <lange at debian.org>
  Date:   2020-12-29 (Tue, 29 Dec 2020)

  Changed paths:
    M lib/setup-storage/Exec.pm

  Log Message:
  -----------
  print which command failed


Compare: https://github.com/faiproject/fai/compare/5b14ef679cc2...b5acce729f21