feat(project-model): provide flag for no deps

A Cargo project can now be built without any dependency metadata being fetched.

Signed-off-by: Prajwal S N <prajwalnadig21@gmail.com>

crates/project-model/src/cargo_workspace.rs

@@ -108,7 +108,10 @@ pub struct CargoConfig {
     pub invocation_strategy: InvocationStrategy,
     /// Optional path to use instead of `target` when building
     pub target_dir: Option<Utf8PathBuf>,
+    /// Gate `#[test]` behind `#[cfg(test)]`
     pub set_test: bool,
+    /// Load the project without any dependencies
+    pub no_deps: bool,
 }
 
 pub type Package = Idx<PackageData>;
@@ -308,6 +311,7 @@ impl CargoWorkspace {
         current_dir: &AbsPath,
         config: &CargoMetadataConfig,
         sysroot: &Sysroot,
+        no_deps: bool,
         locked: bool,
         progress: &dyn Fn(String),
     ) -> anyhow::Result<(cargo_metadata::Metadata, Option<anyhow::Error>)> {
@@ -316,8 +320,8 @@ impl CargoWorkspace {
             current_dir,
             config,
             sysroot,
+            no_deps,
             locked,
-            false,
             progress,
         );
         if let Ok((_, Some(ref e))) = res {
@@ -335,8 +339,8 @@ impl CargoWorkspace {
         current_dir: &AbsPath,
         config: &CargoMetadataConfig,
         sysroot: &Sysroot,
-        locked: bool,
         no_deps: bool,
+        locked: bool,
         progress: &dyn Fn(String),
     ) -> anyhow::Result<(cargo_metadata::Metadata, Option<anyhow::Error>)> {
         let cargo = sysroot.tool(Tool::Cargo, current_dir);

crates/project-model/src/sysroot.rs

@@ -300,6 +300,7 @@ impl Sysroot {
             rust_lib_src_dir,
             &cargo_config,
             self,
+            false,
             // Make sure we never attempt to write to the sysroot
             true,
             &|_| (),

crates/project-model/src/workspace.rs

@@ -220,6 +220,7 @@ impl ProjectWorkspace {
             sysroot,
             sysroot_src,
             target,
+            no_deps,
             ..
         } = config;
         let mut sysroot = match (sysroot, sysroot_src) {
@@ -301,6 +302,7 @@ impl ProjectWorkspace {
                             extra_env: extra_env.clone(),
                         },
                         &sysroot,
+                        *no_deps,
                         false,
                         &|_| (),
                     ) {
@@ -343,6 +345,7 @@ impl ProjectWorkspace {
                         extra_env: extra_env.clone(),
                     },
                     &sysroot,
+                    *no_deps,
                     false,
                     &|_| (),
                 )
@@ -511,6 +514,7 @@ impl ProjectWorkspace {
                 extra_env: config.extra_env.clone(),
             },
             &sysroot,
+            config.no_deps,
             false,
             &|_| (),
         )