Files
pacdef_rust/crates/core/src/config.rs
T
2023-02-13 19:46:35 +01:00

64 lines
1.7 KiB
Rust

use std::fs::{read_to_string, File};
use std::io::{ErrorKind, Write};
use std::path::PathBuf;
use anyhow::{bail, Context, Result};
use serde_derive::{Deserialize, Serialize};
use crate::path::get_pacdef_base_dir;
const CONFIG_FILE_NAME: &str = "pacdef.yaml";
#[derive(Debug, Serialize, Deserialize)]
pub struct Config {
pub aur_helper: String,
pub aur_rm_args: Option<Vec<String>>,
pub warn_not_symlinks: bool,
}
impl Config {
pub fn load() -> Result<Self> {
let file = get_config_file()?;
let from_file = read_to_string(&file);
if let Err(e) = from_file {
if e.kind() == ErrorKind::NotFound {
println!("creating default config under {file:?}");
return Self::use_default_and_save_to(file);
} else {
bail!("unexpected error occured: {e:?}");
};
}
let content = from_file.unwrap();
serde_yaml::from_str(&content).context("parsing yaml config")
}
fn use_default_and_save_to(file: PathBuf) -> Result<Self> {
let result = Self::default();
let content = serde_yaml::to_string(&result).context("converting Config to yaml")?;
let mut output = File::create(file).context("creating default config file")?;
write!(output, "{content}").context("writing default config")?;
Ok(result)
}
}
fn get_config_file() -> Result<PathBuf> {
let mut file = get_pacdef_base_dir().context("getting pacdef base dir for config file")?;
file.push(CONFIG_FILE_NAME);
Ok(file)
}
impl Default for Config {
fn default() -> Self {
Self {
aur_helper: "paru".into(),
aur_rm_args: None,
warn_not_symlinks: true,
}
}
}