Replace yaml with toml

Cargo.toml

@@ -33,8 +33,8 @@ regex = "1.10.3"
 tabled = { version = "0.14.0", features = ["color"] }
 time = "0.3.31"
 clap_complete = "4.4.9"
-serde_yaml = "0.9.30"
 duration-str = "0.7.1"
+toml = "0.8.8"
 
 [dev-dependencies]
 assert_cmd = "2.0.13"

README.md

@@ -108,17 +108,17 @@ If the `RUDRIC_SESSION` token is set in the environment:
 
 # Configuration
 
-Rudric can be configured with a yaml file. By default, this file is stored in `XDG_CONFIG/rudric/config.yaml` (`$HOME/.config/rudric/config.yaml` on Linux and Mac). All config options are optional. An example config file might look like this:
+Rudric can be configured with a toml file. By default, this file is stored in `XDG_CONFIG/rudric/config.toml` (`$HOME/.config/rudric/config.toml` on Linux and Mac). All config options are optional. An example config file might look like this:
 
-```yaml
+```toml
 # Options are: bash, zsh, fish, nu
-default_shell: fish
+default_shell = "fish"
 
 # Specify the default length of time that a session token is valid for
-session_lifetime: 6h
+session_lifetime = "6h"
 
 # Specify the name of the file to use in the CWD for setting environment variables (default ".renv")
-renv_filename: .env
+renv_filename = ".env"
 ```
 
 # direnv

src/config.rs

@@ -1,4 +1,4 @@
-use std::path::Path;
+use std::{fs, path::Path};
 
 use anyhow::Result;
 use duration_str::deserialize_option_duration_time;
@@ -16,15 +16,16 @@ pub struct Config {
 
 impl Config {
     pub fn load(config_dir: &Path) -> Result<Self> {
-        let config_file_path = config_dir.join("config.yaml");
-        let config_file = match std::fs::File::open(config_file_path) {
+        let config_file_path = config_dir.join("config.toml");
+
+        let config_string = match fs::read_to_string(config_file_path) {
             Ok(c) => c,
             Err(_) => {
                 return Ok(Self::default());
             }
         };
 
-        Ok(serde_yaml::from_reader(config_file)?)
+        Ok(toml::from_str(&config_string)?)
     }
 }
 
@@ -41,9 +42,9 @@ mod session_tests {
         let test_dir = "testdata/test_config1";
         std::fs::create_dir_all(test_dir)?;
 
-        let config_path = test_dir.to_string() + "/config.yaml";
+        let config_path = test_dir.to_string() + "/config.toml";
         let mut file = File::create(config_path)?;
-        file.write_all(b"default_shell: fish\nsession_lifetime: 6h")?;
+        file.write_all(b"default_shell = \"fish\"\nsession_lifetime = \"6h\"")?;
 
         let config = Config::load(Path::new(test_dir))?;
 
@@ -60,9 +61,9 @@ mod session_tests {
         let test_dir = "testdata/test_config2";
         std::fs::create_dir_all(test_dir)?;
 
-        let config_path = test_dir.to_string() + "/config.yaml";
+        let config_path = test_dir.to_string() + "/config.toml";
         let mut file = File::create(config_path)?;
-        file.write_all(b"default_shell: fish")?;
+        file.write_all(b"default_shell = \"fish\"")?;
 
         let config = Config::load(Path::new(test_dir))?;