rust-analyzer

diff --git a/crates/project-model/src/sysroot.rs b/crates/project-model/src/sysroot.rs
index 272cf7dada..5cc399bfe7 100644
--- a/crates/project-model/src/sysroot.rs
+++ b/crates/project-model/src/sysroot.rs

@@ -30,7 +30,7 @@ pub struct Sysroot {

#[derive(Debug, Clone, Eq, PartialEq)]

pub enum RustLibSrcWorkspace {

- Workspace(CargoWorkspace),

+ Workspace { ws: CargoWorkspace, metadata_err: Option<String> },

Json(ProjectJson),

Stitched(stitched::Stitched),

Empty,

@@ -39,7 +39,9 @@ pub enum RustLibSrcWorkspace {

impl fmt::Display for RustLibSrcWorkspace {

fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {

match self {

- RustLibSrcWorkspace::Workspace(ws) => write!(f, "workspace {}", ws.workspace_root()),

+ RustLibSrcWorkspace::Workspace { ws, .. } => {

+ write!(f, "workspace {}", ws.workspace_root())

+ }

RustLibSrcWorkspace::Json(json) => write!(f, "json {}", json.manifest_or_root()),

RustLibSrcWorkspace::Stitched(stitched) => {

write!(f, "stitched with {} crates", stitched.crates.len())

@@ -74,7 +76,7 @@ impl Sysroot {

pub fn is_rust_lib_src_empty(&self) -> bool {

match &self.workspace {

- RustLibSrcWorkspace::Workspace(ws) => ws.packages().next().is_none(),

+ RustLibSrcWorkspace::Workspace { ws, .. } => ws.packages().next().is_none(),

RustLibSrcWorkspace::Json(project_json) => project_json.n_crates() == 0,

RustLibSrcWorkspace::Stitched(stitched) => stitched.crates.is_empty(),

RustLibSrcWorkspace::Empty => true,

@@ -85,9 +87,16 @@ impl Sysroot {

self.error.as_deref()

}

+ pub fn metadata_error(&self) -> Option<&str> {

+ match &self.workspace {

+ RustLibSrcWorkspace::Workspace { metadata_err, .. } => metadata_err.as_deref(),

+ _ => None,

+ }

pub fn num_packages(&self) -> usize {

match &self.workspace {

- RustLibSrcWorkspace::Workspace(ws) => ws.packages().count(),

+ RustLibSrcWorkspace::Workspace { ws, .. } => ws.packages().count(),

RustLibSrcWorkspace::Json(project_json) => project_json.n_crates(),

RustLibSrcWorkspace::Stitched(stitched) => stitched.crates.len(),

RustLibSrcWorkspace::Empty => 0,

@@ -293,7 +302,9 @@ impl Sysroot {

&& let Some(src_root) = &self.rust_lib_src_root

{

let has_core = match &self.workspace {

- RustLibSrcWorkspace::Workspace(ws) => ws.packages().any(|p| ws[p].name == "core"),

+ RustLibSrcWorkspace::Workspace { ws: workspace, .. } => {

+ workspace.packages().any(|p| workspace[p].name == "core")

+ }

RustLibSrcWorkspace::Json(project_json) => project_json

.crates()

.filter_map(|(_, krate)| krate.display_name.clone())

@@ -332,7 +343,7 @@ impl Sysroot {

// Make sure we never attempt to write to the sysroot

let locked = true;

- let (mut res, _) =

+ let (mut res, err) =

FetchMetadata::new(library_manifest, current_dir, &cargo_config, self, no_deps)

.exec(target_dir, locked, progress)?;

@@ -387,7 +398,10 @@ impl Sysroot {

let cargo_workspace =

CargoWorkspace::new(res, library_manifest.clone(), Default::default(), true);

- Ok(RustLibSrcWorkspace::Workspace(cargo_workspace))

+ Ok(RustLibSrcWorkspace::Workspace {

+ ws: cargo_workspace,

+ metadata_err: err.map(|e| format!("{e:#}")),

+ })

}

diff --git a/crates/project-model/src/tests.rs b/crates/project-model/src/tests.rs
index a79c8640fa..711cdd11b9 100644
--- a/crates/project-model/src/tests.rs
+++ b/crates/project-model/src/tests.rs

@@ -248,7 +248,7 @@ fn smoke_test_real_sysroot_cargo() {

sysroot.set_workspace(loaded_sysroot);

}

assert!(

- matches!(sysroot.workspace(), RustLibSrcWorkspace::Workspace(_)),

+ matches!(sysroot.workspace(), RustLibSrcWorkspace::Workspace { .. }),

"got {}",

sysroot.workspace()

);

diff --git a/crates/project-model/src/workspace.rs b/crates/project-model/src/workspace.rs
index 957f336ee4..22b84791ae 100644
--- a/crates/project-model/src/workspace.rs
+++ b/crates/project-model/src/workspace.rs

@@ -743,7 +743,7 @@ impl ProjectWorkspace {

pub fn to_roots(&self) -> Vec<PackageRoot> {

let mk_sysroot = || {

let mut r = match self.sysroot.workspace() {

- RustLibSrcWorkspace::Workspace(ws) => ws

+ RustLibSrcWorkspace::Workspace { ws, .. } => ws

.packages()

.filter_map(|pkg| {

if ws[pkg].is_local {

@@ -1731,7 +1731,7 @@ fn sysroot_to_crate_graph(

) -> (SysrootPublicDeps, Option<CrateBuilderId>) {

let _p = tracing::info_span!("sysroot_to_crate_graph").entered();

match sysroot.workspace() {

- RustLibSrcWorkspace::Workspace(cargo) => {

+ RustLibSrcWorkspace::Workspace { ws: cargo, .. } => {

let (sysroot_cg, sysroot_pm) = cargo_to_crate_graph(

load,

None,

diff --git a/crates/rust-analyzer/src/reload.rs b/crates/rust-analyzer/src/reload.rs
index ca15e6a98e..1475f02447 100644
--- a/crates/rust-analyzer/src/reload.rs
+++ b/crates/rust-analyzer/src/reload.rs

@@ -222,6 +222,16 @@ impl GlobalState {

message.push_str(err);

message.push_str("\n\n");

}

+ if let Some(err) = ws.sysroot.metadata_error() {

+ status.health |= lsp_ext::Health::Warning;

+ format_to!(

+ message,

+ "Failed to read Cargo metadata with dependencies for sysroot of `{}`: ",

+ ws.manifest_or_root()

+ );

+ message.push_str(err);

+ message.push_str("\n\n");

+ }

if let ProjectWorkspaceKind::Cargo { rustc: Err(Some(err)), .. } = &ws.kind {

status.health |= lsp_ext::Health::Warning;

format_to!(