4 files changed, 18 insertions, 22 deletions

diff --git a/crates/rust-analyzer/Cargo.toml b/crates/rust-analyzer/Cargo.toml
index 2e49448cc..65b487db3 100644
--- a/crates/rust-analyzer/Cargo.toml
+++ b/crates/rust-analyzer/Cargo.toml
@@ -48,7 +48,6 @@ hir = { path = "../ra_hir", package = "ra_hir" }
 hir_def = { path = "../ra_hir_def", package = "ra_hir_def" }
 hir_ty = { path = "../ra_hir_ty", package = "ra_hir_ty" }
 ra_proc_macro_srv = { path = "../ra_proc_macro_srv" }
-ra_toolchain = { path = "../ra_toolchain" }
 
 [target.'cfg(windows)'.dependencies]
 winapi = "0.3.8"
diff --git a/crates/rust-analyzer/src/lsp_ext.rs b/crates/rust-analyzer/src/lsp_ext.rs
index acb1dacb6..173c23b9e 100644
--- a/crates/rust-analyzer/src/lsp_ext.rs
+++ b/crates/rust-analyzer/src/lsp_ext.rs
@@ -121,12 +121,21 @@ pub struct RunnablesParams {
     pub position: Option<Position>,
 }
 
+// Must strictly correspond to the executable name
+#[derive(Serialize, Deserialize, Debug)]
+#[serde(rename_all = "lowercase")]
+pub enum RunnableKind {
+    Cargo,
+    Rustc,
+    Rustup,
+}
+
 #[derive(Deserialize, Serialize, Debug)]
 #[serde(rename_all = "camelCase")]
 pub struct Runnable {
     pub range: Range,
     pub label: String,
-    pub bin: String,
+    pub kind: RunnableKind,
     pub args: Vec<String>,
     pub extra_args: Vec<String>,
     pub env: FxHashMap<String, String>,
diff --git a/crates/rust-analyzer/src/main_loop/handlers.rs b/crates/rust-analyzer/src/main_loop/handlers.rs
index d42cfa300..bc7c7f1ef 100644
--- a/crates/rust-analyzer/src/main_loop/handlers.rs
+++ b/crates/rust-analyzer/src/main_loop/handlers.rs
@@ -40,7 +40,6 @@ use crate::{
     world::WorldSnapshot,
     LspError, Result,
 };
-use anyhow::Context;
 
 pub fn handle_analyzer_status(world: WorldSnapshot, _: ()) -> Result<String> {
     let _p = profile("handle_analyzer_status");
@@ -427,7 +426,7 @@ pub fn handle_runnables(
                 res.push(lsp_ext::Runnable {
                     range: Default::default(),
                     label: format!("cargo {} -p {}", cmd, spec.package),
-                    bin: cargo_path()?,
+                    kind: lsp_ext::RunnableKind::Cargo,
                     args: vec![cmd.to_string(), "--package".to_string(), spec.package.clone()],
                     extra_args: Vec::new(),
                     env: FxHashMap::default(),
@@ -439,7 +438,7 @@ pub fn handle_runnables(
             res.push(lsp_ext::Runnable {
                 range: Default::default(),
                 label: "cargo check --workspace".to_string(),
-                bin: cargo_path()?,
+                kind: lsp_ext::RunnableKind::Cargo,
                 args: vec!["check".to_string(), "--workspace".to_string()],
                 extra_args: Vec::new(),
                 env: FxHashMap::default(),
@@ -450,13 +449,6 @@ pub fn handle_runnables(
     Ok(res)
 }
 
-fn cargo_path() -> Result<String> {
-    Ok(ra_toolchain::cargo()
-        .to_str()
-        .context("Path to `cargo` executable contains invalid UTF8 characters")?
-        .to_owned())
-}
-
 pub fn handle_completion(
     world: WorldSnapshot,
     params: lsp_types::CompletionParams,
@@ -994,7 +986,7 @@ fn to_lsp_runnable(
     Ok(lsp_ext::Runnable {
         range: to_proto::range(&line_index, runnable.range),
         label,
-        bin: cargo_path()?,
+        kind: lsp_ext::RunnableKind::Cargo,
         args,
         extra_args,
         env: {
diff --git a/crates/rust-analyzer/tests/heavy_tests/main.rs b/crates/rust-analyzer/tests/heavy_tests/main.rs
index a31580c86..8b473ff74 100644
--- a/crates/rust-analyzer/tests/heavy_tests/main.rs
+++ b/crates/rust-analyzer/tests/heavy_tests/main.rs
@@ -58,10 +58,6 @@ use std::collections::Spam;
     eprintln!("completion took {:?}", completion_start.elapsed());
 }
 
-fn cargo_path() -> String {
-    ra_toolchain::cargo().to_str().unwrap().to_owned()
-}
-
 #[test]
 fn test_runnables_no_project() {
     if skip_slow_tests() {
@@ -83,7 +79,7 @@ fn foo() {
           {
             "args": [ "test" ],
             "extraArgs": [ "foo", "--nocapture" ],
-            "bin": cargo_path(),
+            "kind": "cargo",
             "env": { "RUST_BACKTRACE": "short" },
             "cwd": null,
             "label": "test foo",
@@ -95,7 +91,7 @@ fn foo() {
           {
             "args": ["check", "--workspace"],
             "extraArgs": [],
-            "bin": cargo_path(),
+            "kind": "cargo",
             "env": {},
             "cwd": null,
             "label": "cargo check --workspace",
@@ -145,7 +141,7 @@ fn main() {}
             {
               "args": [ "test", "--package", "foo", "--test", "spam" ],
               "extraArgs": [ "test_eggs", "--exact", "--nocapture" ],
-              "bin": cargo_path(),
+              "kind": "cargo",
               "env": { "RUST_BACKTRACE": "short" },
               "label": "test test_eggs",
               "range": {
@@ -157,7 +153,7 @@ fn main() {}
             {
               "args": [ "check", "--package", "foo" ],
               "extraArgs": [],
-              "bin": cargo_path(),
+              "kind": "cargo",
               "env": {},
               "label": "cargo check -p foo",
               "range": {
@@ -169,7 +165,7 @@ fn main() {}
             {
               "args": [ "test", "--package", "foo" ],
               "extraArgs": [],
-              "bin": cargo_path(),
+              "kind": "cargo",
               "env": {},
               "label": "cargo test -p foo",
               "range": {