Fixes node-template-release (#2375)

substrate/node-template/scripts/build.sh

@@ -2,7 +2,7 @@
 
 set -e
 
-PROJECT_ROOT="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
+PROJECT_ROOT="$( cd "$( dirname "${BASH_SOURCE[0]}" )/.." >/dev/null && pwd )"
 
 export CARGO_INCREMENTAL=0
 

substrate/scripts/node-template-release/src/main.rs

@@ -137,7 +137,7 @@ fn write_cargo_toml(path: &Path, cargo_toml: CargoToml) {
 /// Build and test the generated node-template
 fn build_and_test(path: &Path, cargo_tomls: &[PathBuf]) {
 	// Build wasm
-	assert!(Command::new(path.join("build.sh")).current_dir(path).status().expect("Compiles wasm").success());
+	assert!(Command::new(path.join("./scripts/build.sh")).current_dir(path).status().expect("Compiles wasm").success());
 
 	// Build node
 	assert!(Command::new("cargo").args(&["build", "--all"]).current_dir(path).status().expect("Compiles node").success());