From 1eb61203b725684fd2c7e25ac7e2d53eef10c64c Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Mon, 8 Mar 2021 21:13:15 +0300
Subject: Make `code generation` just work

Contributors don't need to learn about `cargo xtask codegen` if `cargo
test` just does the right thing.
---
 crates/test_utils/src/lib.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'crates/test_utils/src/lib.rs')

diff --git a/crates/test_utils/src/lib.rs b/crates/test_utils/src/lib.rs
index 097a54139..dd582c77c 100644
--- a/crates/test_utils/src/lib.rs
+++ b/crates/test_utils/src/lib.rs
@@ -18,7 +18,7 @@ use std::{
 };
 
 use profile::StopWatch;
-use stdx::lines_with_ends;
+use stdx::{is_ci, lines_with_ends};
 use text_size::{TextRange, TextSize};
 
 pub use dissimilar::diff as __diff;
@@ -376,6 +376,9 @@ pub fn try_ensure_file_contents(file: &Path, contents: &str) -> Result<(), ()> {
         "\n\x1b[31;1merror\x1b[0m: {} was not up-to-date, updating\n",
         display_path.display()
     );
+    if is_ci() {
+        eprintln!("\n    NOTE: run `cargo test` locally and commit the updated files\n");
+    }
     if let Some(parent) = file.parent() {
         let _ = std::fs::create_dir_all(parent);
     }
-- 
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