Merge #2658

2658: Only add features flags if non-empty r=matklad a=edwin0cheng

This prevent error when disabled  `all-features` in a cargo workspace, because of `--features is not allowed in the root of a virtual workspace` when running `cargo metadata`.

Co-authored-by: Edwin Cheng <[email protected]>

1 files changed, 1 insertions, 1 deletions

diff --git a/crates/ra_project_model/src/cargo_workspace.rs b/crates/ra_project_model/src/cargo_workspace.rs
index c862d3912..1b3c246c7 100644
--- a/crates/ra_project_model/src/cargo_workspace.rs
+++ b/crates/ra_project_model/src/cargo_workspace.rs
@@ -165,7 +165,7 @@ impl CargoWorkspace {
             // FIXME: `NoDefaultFeatures` is mutual exclusive with `SomeFeatures`
             // https://github.com/oli-obk/cargo_metadata/issues/79
             meta.features(CargoOpt::NoDefaultFeatures);
-        } else {
+        } else if cargo_features.features.len() > 0 {
             meta.features(CargoOpt::SomeFeatures(cargo_features.features.clone()));
         }
         if let Some(parent) = cargo_toml.parent() {