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# Run a command if known, otherwise run it with nix
export def main [
    cmd: string     # The command to run
    ...args: string # Command arguments; all flags MUST be quoted
  ] {
  if (not (which $cmd | is-empty)) {
    ^$cmd ...$args
    return
  }
  ^nix run $"nixpkgs#($cmd)" -- ...$args
}