From 49cbb1366f18ce58da0443b833084a3af8394cc4 Mon Sep 17 00:00:00 2001
From: Tamir Duberstein <tamird@gmail.com>
Date: Thu, 27 Jul 2023 22:03:57 -0400
Subject: [PATCH] integration-test: rerun-if-changed=integration-ebpf

See code commentary for details.
---
 test/integration-test/build.rs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/test/integration-test/build.rs b/test/integration-test/build.rs
index cf01869b..8ce23465 100644
--- a/test/integration-test/build.rs
+++ b/test/integration-test/build.rs
@@ -135,13 +135,21 @@ fn main() {
         let Package { manifest_path, .. } = integration_ebpf_package;
         let integration_ebpf_dir = manifest_path.parent().unwrap();
 
+        // We have a build-dependency on `integration-ebpf`, so cargo will automatically rebuild us
+        // if `integration-ebpf`'s *library* target or any of its dependencies change. Since we
+        // depend on `integration-ebpf`'s *binary* targets, that only gets us half of the way. This
+        // stanza ensures cargo will rebuild us on changes to the binaries too, which gets us the
+        // rest of the way.
+        println!("cargo:rerun-if-changed={}", integration_ebpf_dir.as_str());
+
         let mut cmd = Command::new("cargo");
         cmd.args([
             "build",
             "-Z",
             "build-std=core",
-            "--release",
+            "--bins",
             "--message-format=json",
+            "--release",
             "--target",
             &target,
         ]);