From c3e29ec6ad6c8eff09760346734af3f923b42d61 Mon Sep 17 00:00:00 2001
From: Wilfred Hughes <me@wilfred.me.uk>
Date: Fri, 26 Nov 2021 23:18:17 -0800
Subject: [PATCH] Make build script more precise in its paths to watch

---
 build.rs | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/build.rs b/build.rs
index 895e3529c..42b759b7c 100644
--- a/build.rs
+++ b/build.rs
@@ -47,10 +47,6 @@ impl TreeSitterParser {
 }
 
 fn main() {
-    // Only rerun if files in the vendor/ directory change.
-    // TODO: use specific source directories instead.
-    println!("cargo:rerun-if-changed=vendor");
-
     let parsers = vec![
         TreeSitterParser {
             name: "tree-sitter-bash".into(),
@@ -159,5 +155,11 @@ fn main() {
         },
     ];
 
+    // Only rerun if relevant files in the vendor/ directory change.
+    println!("cargo:rerun-if-changed=vendor/highlights");
+    for parser in &parsers {
+        println!("cargo:rerun-if-changed={}", parser.src_dir);
+    }
+
     parsers.par_iter().for_each(|p| p.build());
 }