#!/usr/bin/env execlineb

importas -D /bin/bash default_shell SHELL

elgetopt s:
importas -D $default_shell shell ELGETOPT_s
elgetpositionals

getcwd -E cwd
backtick -D "" -E nixdir { find-parent -d flake.nix }
ifelse { test $nixdir = "" } {
  foreground { echo "flake.nix not found in parents of ${cwd}" }
  exit 1
}

cd $nixdir
nix develop --no-warn-dirty $@ -c execlineb -c "cd ${cwd} ${shell}"

# vim: set ft=execline :