From 3a72afed8cca3288fb955e66521f62f57aceace2 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Tue, 25 Aug 2020 11:27:22 +0200
Subject: Improve logging

---
 crates/project_model/src/lib.rs | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

(limited to 'crates/project_model')

diff --git a/crates/project_model/src/lib.rs b/crates/project_model/src/lib.rs
index 84d1303db..b601d7dc3 100644
--- a/crates/project_model/src/lib.rs
+++ b/crates/project_model/src/lib.rs
@@ -6,6 +6,7 @@ mod sysroot;
 mod cfg_flag;
 
 use std::{
+    fmt,
     fs::{self, read_dir, ReadDir},
     io,
     process::Command,
@@ -27,7 +28,7 @@ pub use crate::{
 
 pub use proc_macro_api::ProcMacroClient;
 
-#[derive(Debug, Clone, Eq, PartialEq)]
+#[derive(Clone, Eq, PartialEq)]
 pub enum ProjectWorkspace {
     /// Project workspace was discovered by running `cargo metadata` and `rustc --print sysroot`.
     Cargo { cargo: CargoWorkspace, sysroot: Sysroot },
@@ -35,6 +36,19 @@ pub enum ProjectWorkspace {
     Json { project: ProjectJson },
 }
 
+impl fmt::Debug for ProjectWorkspace {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            ProjectWorkspace::Cargo { cargo, .. } => {
+                f.debug_struct("Cargo").field("n_packages", &cargo.packages().len()).finish()
+            }
+            ProjectWorkspace::Json { project } => {
+                f.debug_struct("Json").field("n_crates", &project.crates.len()).finish()
+            }
+        }
+    }
+}
+
 /// `PackageRoot` describes a package root folder.
 /// Which may be an external dependency, or a member of
 /// the current workspace.
-- 
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