#compdef restic
_arguments \
'1: :->level1' \
'2: :_files'
case $state in
level1)
case $words[1] in
restic)
_arguments '1: :(backup cache cat check diff dump find forget generate help init key list ls migrate mount options prune rebuild-index restore snapshots stats tag unlock version)'
;;
*)
_arguments '*: :_files'
esac