Removed sys dep sass

.gitignore

@@ -1,4 +1,3 @@
 /target
 **/*.rs.bk
-Cargo.lock
-.sass-cache
+Cargo.lock

Cargo.toml

@@ -12,4 +12,7 @@ license = "MIT"
 web-view = "0.4.1"
 serde = { version = "1.0.98", features = ["derive"] }
 serde_json = "1.0.40"
-strfmt = "0.1.6"
+strfmt = "0.1.6"
+
+[build-dependencies]
+rsass = "0.11.0"

build.rs

@@ -1,26 +1,28 @@
 use std::env;
-use std::process::Command;
+use rsass::{compile_scss_file, OutputStyle};
+use std::fs;
 
 fn main() {
     let out_dir = env::var("OUT_DIR").unwrap();
 
     // Theming commons
-    Command::new("sass")
-        .args(&[
-            "--no-cache",
-            "src/www/app.scss",
-            &format!("{}/app.css", out_dir),
-        ])
-        .status()
-        .unwrap();
+    compile_write(
+        "src/www/app.scss",
+        &format!("{}/app.css", out_dir)
+    );
 
     // Breeze theme
-    Command::new("sass")
-        .args(&[
-            "--no-cache",
-            "src/www/breeze.scss",
-            &format!("{}/breeze.css", out_dir),
-        ])
-        .status()
-        .unwrap();
+    compile_write(
+        "src/www/breeze.scss",
+        &format!("{}/breeze.css", out_dir)
+    );
+}
+
+fn compile_write(path: &str, out: &str) {
+    let css = compile_scss_file(
+        path.as_ref(),
+        OutputStyle::Compressed
+    ).unwrap();
+
+    fs::write(out, css).unwrap();
 }