shell.jk

ext func system(s: string) -> int;

func shell_execute_string(s: string) -> int {
    system(s)
}

// FIXME: Add documentation

// FIXME: Should return a Result
func shell(s: string) -> int {
    shell_execute_string(s)
}

// FIXME: The command type should store stdout and stderr
type Cmd(s: string);

func cmd(command: string) -> Cmd {
    // FIXME: Make sure `command` does not contain any spaces
    Cmd(s: command)
}

func with_arg(cmd: Cmd, arg: string) -> Cmd {
    mut new_s = concat(cmd.s, " ");
    new_s = new_s.concat(arg);

    Cmd(s: new_s)
}

// FIXME: Should return a Result
func execute(cmd: Cmd) -> int {
    shell(cmd.s)
}

test shell_execute_cmd() {
    shell("pwd");

    // FIXME: Redirect this output
    // FIXME: Add assertions
}

test shell_builder_pattern() {
    mut c = cmd("ls");
    c = c.with_arg("thisdir");

    // FIXME: Add assertions
}

test shell_builder_pattern_inline() {
    mut c = cmd("ls").with_arg("-l").with_arg("-a").with_arg("thidir");

    // FIXME: Add assertions
}