3 files changed, 9 insertions, 4 deletions

diff --git a/crates/ra_lsp_server/src/config.rs b/crates/ra_lsp_server/src/config.rs
index 6dcdc695a..71838b89c 100644
--- a/crates/ra_lsp_server/src/config.rs
+++ b/crates/ra_lsp_server/src/config.rs
@@ -21,6 +21,10 @@ pub struct ServerConfig {
     pub exclude_globs: Vec<String>,
 
     pub lru_capacity: Option<usize>,
+
+    /// For internal usage to make integrated tests faster.
+    #[serde(deserialize_with = "nullable_bool_true")]
+    pub with_sysroot: bool,
 }
 
 impl Default for ServerConfig {
@@ -30,6 +34,7 @@ impl Default for ServerConfig {
             show_workspace_loaded: true,
             exclude_globs: Vec::new(),
             lru_capacity: None,
+            with_sysroot: true,
         }
     }
 }
diff --git a/crates/ra_lsp_server/src/main_loop.rs b/crates/ra_lsp_server/src/main_loop.rs
index b9c99a223..3ee0ad652 100644
--- a/crates/ra_lsp_server/src/main_loop.rs
+++ b/crates/ra_lsp_server/src/main_loop.rs
@@ -59,7 +59,7 @@ pub fn main_loop(
     log::debug!("server_config: {:?}", config);
     // FIXME: support dynamic workspace loading.
     let workspaces = {
-        let ws_worker = workspace_loader();
+        let ws_worker = workspace_loader(config.with_sysroot);
         let mut loaded_workspaces = Vec::new();
         for ws_root in &ws_roots {
             ws_worker.sender().send(ws_root.clone()).unwrap();
diff --git a/crates/ra_lsp_server/src/project_model.rs b/crates/ra_lsp_server/src/project_model.rs
index 1130d08de..ad59cde64 100644
--- a/crates/ra_lsp_server/src/project_model.rs
+++ b/crates/ra_lsp_server/src/project_model.rs
@@ -8,14 +8,14 @@ pub use ra_project_model::{
     CargoWorkspace, Package, ProjectWorkspace, Sysroot, Target, TargetKind,
 };
 
-pub fn workspace_loader() -> Worker<PathBuf, Result<ProjectWorkspace>> {
+pub fn workspace_loader(with_sysroot: bool) -> Worker<PathBuf, Result<ProjectWorkspace>> {
     Worker::<PathBuf, Result<ProjectWorkspace>>::spawn(
         "workspace loader",
         1,
-        |input_receiver, output_sender| {
+        move |input_receiver, output_sender| {
             input_receiver
                 .into_iter()
-                .map(|path| ProjectWorkspace::discover(path.as_path()))
+                .map(|path| ProjectWorkspace::discover_with_sysroot(path.as_path(), with_sysroot))
                 .try_for_each(|it| output_sender.send(it))
                 .unwrap()
         },