From 94244c9e005237f1925ddfcad5f0d0f6117ae464 Mon Sep 17 00:00:00 2001
From: Martin Pool <mbp@sourcefrog.net>
Date: Fri, 24 Nov 2023 10:32:45 -0800
Subject: [PATCH] Use CargoMetadata::no_deps

Fixes #164
---
 NEWS.md          | 4 ++++
 src/output.rs    | 1 -
 src/workspace.rs | 1 +
 3 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/NEWS.md b/NEWS.md
index 38f5725b..936d633f 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,5 +1,9 @@
 # cargo-mutants changelog
 
+## Unreleased
+
+- Improved: Run `cargo metadata` with `--no-deps`, so that it doesn't download and compute dependency information, which can save time in some situations.
+
 ## 23.11.1
 
 - New `--in-diff FILE` option tests only mutants that are in the diff from the
diff --git a/src/output.rs b/src/output.rs
index 54e44183..5233d7b4 100644
--- a/src/output.rs
+++ b/src/output.rs
@@ -286,7 +286,6 @@ mod test {
             list_recursive(tmp.path()),
             &[
                 "",
-                "Cargo.lock",
                 "Cargo.toml",
                 "mutants.out",
                 "mutants.out/caught.txt",
diff --git a/src/workspace.rs b/src/workspace.rs
index 4a5d15fc..e0a4a5e1 100644
--- a/src/workspace.rs
+++ b/src/workspace.rs
@@ -113,6 +113,7 @@ impl Workspace {
         debug!(?cargo_toml_path, ?dir, "Find root files");
         check_interrupted()?;
         let metadata = cargo_metadata::MetadataCommand::new()
+            .no_deps()
             .manifest_path(&cargo_toml_path)
             .exec()
             .context("run cargo metadata")?;