fix: fix recovering llvm from cache

Author: aminya

dist/setup_cpp.js

@@ -49,6 +49,18 @@ describe("setup-llvm", () => {
     expect(process.env.CXX?.includes("clang++")).toBeTruthy()
   })
 
+  it("should find llvm in the cache", async () => {
+    const { binDir } = await setupLLVM("11.0.0", directory, "")
+    await testBin("clang++", ["--version"], binDir)
+
+    expect(binDir.includes("ToolCache")).toBeTruthy()
+
+    expect(process.env.CC?.includes("clang")).toBeTruthy()
+    expect(process.env.CXX?.includes("clang++")).toBeTruthy()
+    expect(process.env.CC?.includes("ToolCache")).toBeTruthy()
+    expect(process.env.CXX?.includes("ToolCache")).toBeTruthy()
+  })
+
   it("should setup clang-tidy and clang-format", async () => {
     const { binDir } = await setupClangTools("11.0.0", directory, "")
     await testBin("clang-tidy", ["--version"], binDir)

dist/setup_cpp.js.map

@@ -242,7 +242,7 @@ export async function setupLLVM(
   _arch: string
 ): Promise<InstallationInfo> {
   const installationInfo = await setupBin("llvm", version, getLLVMPackageInfo, setupDir)
-  await activateLLVM(setupDir, version)
+  await activateLLVM(installationInfo.installDir ?? setupDir, version)
   return installationInfo
 }