function __fish_contains_opt -d "Checks if a specific option has been given in the current commandline" set -l next_short set -l short_opt set -l long_opt for i in $argv if test -n "$next_short" set next_short set short_opt $short_opt $i else switch $i case -s set next_short 1 case '-*' echo __fish_contains_opt: Unknown option $i >&2 return 1 case '*' set long_opt $long_opt $i end end end for i in $short_opt if test -z "$i" continue end if string match -qr -- "^-$i|^-[^-]*$i" (commandline -cpo) return 0 end if string match -qr -- "^-$i|^-[^-]*$i" (commandline -ct) return 0 end end for i in $long_opt if test -z "$i" continue end if contains -- --$i (commandline -cpo) return 0 end end return 1 end