if string match -q "OpenSSL*" (command openssl version)

# This is real OpenSSL that has the list command.

function __fish_openssl_subcommand_options --description "Print options for openssl subcommand"

set -l cmd (commandline -pxc)

openssl list -options $cmd[2] | string replace -r -- '^(\S*)\s*.*' '-$1'

end

complete -c openssl -n __fish_use_subcommand -x -a "(openssl list -1 -commands -cipher-commands -digest-commands)"

complete -c openssl -n 'not __fish_use_subcommand && string match -qr -- "^-" (commandline -ct)' -a "(__fish_openssl_subcommand_options)"

else

# Perhaps LibreSSL - see #7966

# TODO: support subcommand options.

complete -c openssl -n __fish_use_subcommand -x -a "(openssl help 2>&1 | string match -rv '^[A-Z]|^\$|Error' | string split -n ' ')"

end