From f9a5867d3eecd03e6ffbd982fc573caceb0bb2ac Mon Sep 17 00:00:00 2001
From: messense <messense@icloud.com>
Date: Sun, 8 Jan 2023 10:54:19 +0800
Subject: [PATCH] Add `RUFF_FORMAT` environment variable support (#1731)

Resolves #1716
---
 Cargo.toml | 2 +-
 README.md  | 2 +-
 src/cli.rs | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 04fe039a1a..e7d44a931e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -29,7 +29,7 @@ bitflags = { version = "1.3.2" }
 cachedir = { version = "0.3.0" }
 cfg-if = { version = "1.0.0" }
 chrono = { version = "0.4.21", default-features = false, features = ["clock"] }
-clap = { version = "4.0.1", features = ["derive"] }
+clap = { version = "4.0.1", features = ["derive", "env"] }
 clap_complete_command = { version = "0.4.0" }
 colored = { version = "2.0.0" }
 dirs = { version = "4.0.0" }
diff --git a/README.md b/README.md
index 1f0a44b9a5..1baf27c182 100644
--- a/README.md
+++ b/README.md
@@ -362,7 +362,7 @@ Options:
       --per-file-ignores <PER_FILE_IGNORES>
           List of mappings from file pattern to code to exclude
       --format <FORMAT>
-          Output serialization format for error messages [possible values: text, json, junit, grouped, github, gitlab]
+          Output serialization format for error messages [env: RUFF_FORMAT=] [possible values: text, json, junit, grouped, github, gitlab]
       --stdin-filename <STDIN_FILENAME>
           The name of the file when passing it through stdin
       --cache-dir <CACHE_DIR>
diff --git a/src/cli.rs b/src/cli.rs
index 2cf28398a8..fa2b8628dd 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -93,7 +93,7 @@ pub struct Cli {
     #[arg(long, value_delimiter = ',')]
     pub per_file_ignores: Option<Vec<PatternPrefixPair>>,
     /// Output serialization format for error messages.
-    #[arg(long, value_enum)]
+    #[arg(long, value_enum, env = "RUFF_FORMAT")]
     pub format: Option<SerializationFormat>,
     /// The name of the file when passing it through stdin.
     #[arg(long)]