flake-utils-plus/lib/fup-repl.nix
2024-07-03 00:07:29 +03:00

21 lines
612 B
Nix

{ writeShellScriptBin, coreutils, gnused }:
let
example = command: desc: ''\n\u001b[33m ${command}\u001b[0m - ${desc}'';
in
writeShellScriptBin "repl" ''
case "$1" in
"-h"|"--help"|"help")
printf "%b\n\e[4mUsage\e[0m: \
${example "repl" "Loads system flake if available."} \
${example "repl /path/to/flake.nix" "Loads specified flake."}\n"
;;
*)
if [ -z "$1" ]; then
nix repl --file ${./repl.nix}
else
nix repl --arg flakePath $(${coreutils}/bin/readlink -f $1 | ${gnused}/bin/sed 's|/flake.nix||') --file ${./repl.nix}
fi
;;
esac
''