Real support for placing config in XDG_CONFIG_HOME

Resolves #35.

Cargo.lock

@@ -19,6 +19,7 @@ dependencies = [
  "serde_json 0.8.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_yaml 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "vte 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "xdg 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1087,6 +1088,11 @@ dependencies = [
  "pkg-config 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "xdg"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "xml-rs"
 version = "0.3.5"
@@ -1228,5 +1234,6 @@ dependencies = [
 "checksum winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
 "checksum ws2_32-sys 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d59cefebd0c892fa2dd6de581e937301d8552cb44489cdff035c6187cb63fa5e"
 "checksum x11-dl 2.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4e4c7f0a7fb861a1bde4aa23bbda9509bda6b87de4d47c322f86e4c88241ebdd"
+"checksum xdg 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "77b831a5ba77110f438f0ac5583aafeb087f70432998ba6b7dcb1d32185db453"
 "checksum xml-rs 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "f2b15eed12692bd59d15e98ee7f8dc8408465b992d8ddb4d1672c24865132ec7"
 "checksum yaml-rust 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "e66366e18dc58b46801afbf2ca7661a9f59cc8c5962c29892b6039b4f86fa992"

Cargo.toml

@@ -25,6 +25,7 @@ vte = "0.1.2"
 mio = "0.6"
 serde_json = "*"
 copypasta = { path = "./copypasta" }
+xdg = "2.0.0"
 
 clippy = { version = "0.0.104", optional = true }
 

README.md

@@ -85,7 +85,7 @@ many things (such as arrow keys) would not work.
 Although it's possible the default configuration would work on your system,
 you'll probably end up wanting to customize it anyhow. There is an
 `alacritty.yml` at the git repository root. Copy this to either
-`$HOME/.alacritty.yml` or `$HOME/.config/alacritty.yml` and run Alacritty.
+`$HOME/.alacritty.yml` or `$XDG_CONFIG_HOME/alacritty.yml` and run Alacritty.
 
 Many configuration options will take effect immediately upon saving changes to
 the config file. The only exception is the `font` and `dpi` section which

src/config.rs

@@ -792,26 +792,18 @@ impl Config {
     pub fn load() -> Result<Config> {
         let home = env::var("HOME")?;
 
-        // First path
-        let mut path = PathBuf::from(&home);
-        path.push(".config");
-        path.push("alacritty.yml");
+        // Try using XDG location by default
+        let path = ::xdg::BaseDirectories::new()
+            .ok()
+            .and_then(|xdg| xdg.find_config_file("alacritty.yml"))
+            .unwrap_or_else(|| {
+                // Fallback path: $HOME/.alacritty.yml
+                let mut alt_path = PathBuf::from(&home);
+                alt_path.push(".alacritty.yml");
+                alt_path
+            });
 
-        match Config::load_from(path) {
-            Ok(c) => Ok(c),
-            Err(e) => {
-                match e {
-                    Error::NotFound => {
-                        // Fallback path
-                        let mut alt_path = PathBuf::from(&home);
-                        alt_path.push(".alacritty.yml");
-
-                        Config::load_from(alt_path)
-                    },
-                    _ => Err(e),
-                }
-            }
-        }
+        Config::load_from(path)
     }
 
     /// Get list of colors

src/lib.rs

@@ -45,6 +45,7 @@ extern crate serde;
 extern crate serde_json;
 extern crate serde_yaml;
 extern crate vte;
+extern crate xdg;
 
 #[macro_use]
 extern crate bitflags;