From 235d76e9d25e23b72019bc29617bf3359c38bd59 Mon Sep 17 00:00:00 2001
From: Vaibhav Nagarnaik <vnagarnaik@google.com>
Date: Thu, 5 May 2022 16:56:47 +0000
Subject: [PATCH] tools/clippy: Allow json formatted output

This helps with integration of `tools/clippy` in `rust-analyzer` and
potentially other IDEs which can parse the json output better than the
text output.

TEST=Ran it with `rust-analyzer` in VSCode.

Change-Id: Iceb2748994cbbacf48dc473a9ad06eec567beb0a
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/3630700
Reviewed-by: Dennis Kempin <denniskempin@google.com>
Commit-Queue: Vaibhav Nagarnaik <vnagarnaik@google.com>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>
---
 tools/clippy | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/clippy b/tools/clippy
index c65f9fc24b..7cefa0b21b 100755
--- a/tools/clippy
+++ b/tools/clippy
@@ -30,12 +30,13 @@ def is_crate_excluded(crate: str) -> bool:
     return crate in excluded_crates
 
 
-def main(fix: bool = False):
+def main(fix: bool = False, json: bool = False):
     chdir(CROSVM_ROOT)
 
     # Note: Clippy checks are configured in .cargo/config.toml
     common_args = [
         "--fix" if fix else None,
+        "--message-format=json" if json else None,
         "--all-targets",
         "--",
         "-Dwarnings",