blob: 144c209b0429a46ab6808215156128a7e17496a1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
//! TOML configuration file
use anyhow::Context;
use serde::{Deserialize, Serialize};
use tokio::{fs, io};
/// Path to the configuration file. Currently a file in the working directory.
const CONFIG_FILENAME: &str = "mullvad-release.toml";
#[derive(Default, Deserialize, Serialize)]
pub struct Config {
/// URLs to use as bases for installers.
/// Files are expected at (example): `<base>/<version>/MullvadVPN-<version>.exe`.
pub base_urls: Vec<String>,
}
impl Config {
/// Try to load [CONFIG_FILENAME] from the working directory, create one if it does not exist.
pub async fn load_or_create() -> anyhow::Result<Self> {
match fs::read_to_string(CONFIG_FILENAME).await {
Ok(toml_str) => toml::from_str(&toml_str).context("Failed to parse TOML file"),
Err(err) if err.kind() == io::ErrorKind::NotFound => {
eprintln!("Creating default {CONFIG_FILENAME}");
let self_ = Self::default();
self_.save().await?;
Ok(self_)
}
Err(err) => Err(err).with_context(|| format!("Failed to read {CONFIG_FILENAME}")),
}
}
async fn save(&self) -> anyhow::Result<()> {
let toml_str = toml::to_string_pretty(self).expect("Expected valid toml");
fs::write(CONFIG_FILENAME, toml_str.as_bytes())
.await
.with_context(|| format!("Failed to save {CONFIG_FILENAME}"))
}
}
|
