Fixed continously building build.rs

yiwei1223 · Jun 25, 2020 · b4e15ff · b4e15ff
1 parent c473985
commit b4e15ff
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Showing 3 changed files with 17 additions and 2 deletions.
diff --git a/Cargo.lock b/Cargo.lock
diff --git a/Cargo.toml b/Cargo.toml
@@ -56,6 +56,7 @@ members = [
 
 [build-dependencies]
 test-generator = { path = "tests/lib/test-generator" }
+build-deps = "0.1.4"
 anyhow = "1.0"
 glob = "0.3"
 rustc_version = "0.2"

diff --git a/build.rs b/build.rs
@@ -15,8 +15,12 @@ use test_generator::{
 
 fn main() -> anyhow::Result<()> {
     println!("cargo:rerun-if-changed=tests/ignores.txt");
-    println!("cargo:rerun-if-changed=tests/wasi-wast/wasi/unstable/*");
-    println!("cargo:rerun-if-changed=tests/wasi-wast/wasi/snapshot1/*");
+    // As rerun-if-changed doesn't support globs, we use another crate
+    // to check changes in directories.
+    build_deps::rerun_if_changed_paths("tests/wasi-wast/wasi/unstable/*")
+        .expect("Can't get directory");
+    build_deps::rerun_if_changed_paths("tests/wasi-wast/wasi/snapshot1/*")
+        .expect("Can't get directory");
 
     let out_dir = PathBuf::from(
         env::var_os("OUT_DIR").expect("The OUT_DIR environment variable must be set"),