Only write sourcedirs for local packages with files.

Author: nojaf

rewatch/src/sourcedirs.rs

@@ -21,15 +21,16 @@ pub struct SourceDirs<'a> {
 }
 
 fn package_to_dirs(package: &Package, root_package_path: &Path) -> AHashSet<Dir> {
-    let relative_path = package.path.strip_prefix(&root_package_path).unwrap();
-
-    package
-        .dirs
-        .as_ref()
-        .unwrap_or(&AHashSet::new())
-        .iter()
-        .map(|path| relative_path.join(path))
-        .collect::<AHashSet<PathBuf>>()
+    match package.path.strip_prefix(&root_package_path) {
+        Err(_) => AHashSet::new(),
+        Ok(relative_path) => package
+            .dirs
+            .as_ref()
+            .unwrap_or(&AHashSet::new())
+            .iter()
+            .map(|path| relative_path.join(path))
+            .collect::<AHashSet<PathBuf>>(),
+    }
 }
 
 fn deps_to_pkgs<'a>(
@@ -65,7 +66,7 @@ pub fn print(buildstate: &BuildState) {
     let (dirs, pkgs): (Vec<AHashSet<Dir>>, Vec<AHashMap<PackageName, AbsolutePath>>) = buildstate
         .packages
         .par_iter()
-        .filter(|(_name, package)| !package.is_root)
+        .filter(|(_name, package)| package.is_local_dep && package.source_files.is_some())
         .map(|(_name, package)| {
             // Extract Directories
             let dirs = package_to_dirs(package, &root_package.path);