Method general_discover_browser_version

rust/src/lib.rs:1223–1268

(
        &mut self,
        reg_key: &'static str,
        reg_version_arg: &'static str,
        cmd_version_arg: &str,
    )

    }

    fn general_discover_browser_version(
        &mut self,
        reg_key: &'static str,
        reg_version_arg: &'static str,
        cmd_version_arg: &str,
    ) -> Result<Option<String>, Error> {
        let mut browser_path = self.get_browser_path().to_string();
        if browser_path.is_empty() {
            if let Some(path) = self.detect_browser_path() {
                browser_path = path_to_string(&path);
            }
        } else if !Path::new(&browser_path).exists() {
            self.set_fallback_driver_from_cache(false);
            return Err(anyhow!(format_one_arg(
                "Browser path does not exist: {}",
                &browser_path,
            )));
        }
        let escaped_browser_path = self.get_escaped_path(browser_path.to_string());

        let mut commands = Vec::new();
        if WINDOWS.is(self.get_os()) {
            if !escaped_browser_path.is_empty() && !self.is_webview2() {
                return Ok(get_win_file_version(&escaped_browser_path));
            }
            if !self.is_browser_version_unstable() {
                let reg_command = Command::new(
                    "REG",
                    vec![
                        String::from("QUERY"),
                        reg_key.to_string(),
                        String::from("/v"),
                        reg_version_arg.to_string(),
                    ],
                );
                commands.push(reg_command);
            }
        } else if !escaped_browser_path.is_empty() {
            commands.push(Command::new(
                escaped_browser_path,
                vec![cmd_version_arg.to_string()],
            ));
        }

        Ok(self.detect_browser_version(commands))
    }

    fn discover_safari_version(&mut self, safari_path: String) -> Result<Option<String>, Error> {
        let mut browser_path = self.get_browser_path().to_string();