This is a followup to 3794ce93be8216d8378df7b808ce7f53b1e05a53, which broke command completion. Reported by Oleg Pykhalov <go.wigust@gmail.com>. * etc/completion/bash/guix (_guix_complete_command): Update to match output of 'guix help' as introduced in 3794ce93be8216d8378df7b808ce7f53b1e05a53.