From 12d2526edb611bbf3ebf1a996d7ca0937a22aa9c Mon Sep 17 00:00:00 2001
From: Charlie Marsh <charlie.r.marsh@gmail.com>
Date: Fri, 6 Jan 2023 15:57:56 -0500
Subject: [PATCH] Require explicit opt-in for GitHub and Gitlab formats (#1697)

---
 README.md             |  3 ++-
 src/settings/types.rs | 12 ------------
 2 files changed, 2 insertions(+), 13 deletions(-)

diff --git a/README.md b/README.md
index 3a04e327b2..9625953a48 100644
--- a/README.md
+++ b/README.md
@@ -1327,8 +1327,9 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install ruff
+      # Include `--format=github` to enable automatic inline annotations.
       - name: Run Ruff
-        run: ruff .
+        run: ruff --format=github .
 ```
 
 ## FAQ
diff --git a/src/settings/types.rs b/src/settings/types.rs
index 3379a3f179..56383b87c7 100644
--- a/src/settings/types.rs
+++ b/src/settings/types.rs
@@ -1,4 +1,3 @@
-use std::env;
 use std::hash::Hash;
 use std::ops::Deref;
 use std::path::{Path, PathBuf};
@@ -164,17 +163,6 @@ pub enum SerializationFormat {
 
 impl Default for SerializationFormat {
     fn default() -> Self {
-        if let Ok(github_actions) = env::var("GITHUB_ACTIONS") {
-            if github_actions == "true" {
-                return Self::Github;
-            }
-        }
-
-        if let Ok(gitlab_ci) = env::var("GITLAB_CI") {
-            if gitlab_ci == "true" {
-                return Self::Gitlab;
-            }
-        }
         Self::Text
     }
 }