use git_testtools::Result; mod spawn {    #[test]    fn direct_command_execution_searches_in_path() -> crate::Result {        assert!(git_command::prepare(if cfg!(unix) { "ls" } else { "dir.exe" })            .spawn()?            .wait()?            .success());        Ok(())    }     #[cfg(unix)]    #[test]    fn direct_command_with_absolute_command_path() -> crate::Result {        assert!(git_command::prepare("/bin/ls").spawn()?.wait()?.success());        Ok(())    }     mod with_shell {        use git_testtools::bstr::ByteSlice;         #[test]        fn command_in_path_with_args() -> crate::Result {            assert!(git_command::prepare(if cfg!(unix) { "ls -l" } else { "dir.exe -a" })                .with_shell()                .spawn()?                .wait()?                .success());            Ok(())        }         #[test]        fn sh_shell_specific_script_code() -> crate::Result {            assert!(git_command::prepare(":;:;:").with_shell().spawn()?.wait()?.success());            Ok(())        }         #[test]        fn sh_shell_specific_script_code_with_single_extra_arg() -> crate::Result {            let out = git_command::prepare("echo")                .with_shell()                .arg("1")                .spawn()?                .wait_with_output()?;            assert!(out.status.success());            #[cfg(not(windows))]            assert_eq!(out.stdout.as_bstr(), "1\n");            #[cfg(windows)]            assert_eq!(out.stdout.as_bstr(), "1\r\n");            Ok(())        }         #[test]        fn sh_shell_specific_script_code_with_multiple_extra_args() -> crate::Result {            let out = git_command::prepare("echo")                .with_shell()                .arg("1")                .arg("2")                .spawn()?                .wait_with_output()?;            assert!(out.status.success());            #[cfg(not(windows))]            assert_eq!(out.stdout.as_bstr(), "1 2\n");            #[cfg(windows)]            assert_eq!(out.stdout.as_bstr(), "1 2\r\n");            Ok(())        }    }}