From 248447e139564e28fd7a657c0ff549b0fbef3d0b Mon Sep 17 00:00:00 2001
From: Charlie Marsh <charlie.r.marsh@gmail.com>
Date: Fri, 30 Dec 2022 22:03:58 -0500
Subject: [PATCH] Trim CLI help during generation (#1492)

---
 README.md                         | 1 -
 ruff_dev/src/generate_cli_help.rs | 6 +++++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 85c4b52682..8b1f904ff7 100644
--- a/README.md
+++ b/README.md
@@ -384,7 +384,6 @@ Options:
           Print help information
   -V, --version
           Print version information
-
 ```
 <!-- End auto-generated cli help. -->
 
diff --git a/ruff_dev/src/generate_cli_help.rs b/ruff_dev/src/generate_cli_help.rs
index 8f00e909d8..6ae1385b88 100644
--- a/ruff_dev/src/generate_cli_help.rs
+++ b/ruff_dev/src/generate_cli_help.rs
@@ -16,9 +16,13 @@ pub struct Cli {
     pub(crate) dry_run: bool,
 }
 
+fn trim_lines(s: &str) -> String {
+    s.lines().map(str::trim_end).collect::<Vec<_>>().join("\n")
+}
+
 pub fn main(cli: &Cli) -> Result<()> {
     let mut cmd = MainCli::command();
-    let output = cmd.render_help().to_string();
+    let output = trim_lines(cmd.render_help().to_string().trim());
 
     if cli.dry_run {
         print!("{output}");