.dotfiles/scripts/command-not-found.sh
2024-07-29 17:01:19 +02:00

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# Adapted from https://github.com/bennofs/nix-index/blob/master/command-not-found.sh
command_not_found_handle () {
if [ -n "${MC_SID-}" ] || ! [ -t 1 ]; then
>&2 echo "$1: command not found"
return 127
fi
echo -n "searching nix-index..."
ATTRS=$(@nix-locate@ --minimal --no-group --type x --type s --top-level --whole-name --at-root "/bin/$1")
case $(echo -n "$ATTRS" | grep -c "^") in
0)
>&2 echo -ne "$(@tput@ el1)\r"
>&2 echo "$1: command not found"
;;
*)
>&2 echo -ne "$(@tput@ el1)\r"
>&2 echo "The program $(@tput@ setaf 4)$1$(@tput@ sgr0) is currently not installed."
>&2 echo "It is provided by the following derivation(s):"
while read -r ATTR; do
ATTR=${ATTR%.out}
>&2 echo " $(@tput@ setaf 12)nixpkgs#$(@tput@ setaf 4)$ATTR$(@tput@ sgr0)"
done <<< "$ATTRS"
esac
return 127
}
command_not_found_handler () {
command_not_found_handle "$@"
return $?
}