Support for trybuild/kaos/macrotest

src/cleanup.ts

@@ -34,6 +34,26 @@ export async function cleanTargetDir(targetDir: string, packages: Packages, chec
 async function cleanProfileTarget(profileDir: string, packages: Packages, checkTimestamp = false) {
   core.debug(`cleaning profile directory "${profileDir}"`);
 
+  // Quite a few testing utility crates store compilation artifacts as nested
+  // workspaces under `target/tests`. Notably, `target/tests/target` and
+  // `target/tests/trybuild`.
+  if (path.basename(profileDir) === "tests") {
+    try {
+      // https://github.com/vertexclique/kaos/blob/9876f6c890339741cc5be4b7cb9df72baa5a6d79/src/cargo.rs#L25
+      // https://github.com/eupn/macrotest/blob/c4151a5f9f545942f4971980b5d264ebcd0b1d11/src/cargo.rs#L27
+      cleanTargetDir(path.join(profileDir, "target"), packages, checkTimestamp);
+    } catch { }
+    try {
+      // https://github.com/dtolnay/trybuild/blob/eec8ca6cb9b8f53d0caf1aa499d99df52cae8b40/src/cargo.rs#L50
+      cleanTargetDir(path.join(profileDir, "trybuild"), packages, checkTimestamp);
+    } catch { }
+
+    // Delete everything else.
+    await rmExcept(profileDir, new Set(["target", "trybuild"]), checkTimestamp);
+
+    return
+  }
+
   let keepProfile = new Set(["build", ".fingerprint", "deps"]);
   await rmExcept(profileDir, keepProfile);