From 096cd4150c4f1bf445a3d67c17f35b63eaa66a93 Mon Sep 17 00:00:00 2001
From: Amin Yahyaabadi <aminyahyaabadi74@gmail.com>
Date: Tue, 14 Sep 2021 10:00:30 -0500
Subject: [PATCH] fix: fix llvm extraction on windows

---
 src/llvm/llvm.ts            | 9 ++++++++-
 src/utils/setup/setupBin.ts | 2 +-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/llvm/llvm.ts b/src/llvm/llvm.ts
index f35d5a53..c0107d19 100644
--- a/src/llvm/llvm.ts
+++ b/src/llvm/llvm.ts
@@ -1,4 +1,5 @@
 import * as core from "@actions/core"
+import { exec } from "@actions/exec"
 import * as tc from "@actions/tool-cache"
 import * as path from "path"
 import semverLte from "semver/functions/lte"
@@ -271,7 +272,13 @@ async function getLLVMPackageInfo(version: string, platform: NodeJS.Platform): P
     binRelativeDir: "bin",
     extractFunction:
       platform === "win32"
-        ? tc.extractZip
+        ? async (file: string, dest: string) => {
+            const exit = await exec("7z", ["x", file, `-o${dest}`])
+            if (exit !== 0) {
+              throw new Error(`Failed to extract ${file} to ${dest} with 7z`)
+            }
+            return dest
+          }
         : (file: string, dest: string) => {
             return tc.extractTar(file, dest, "--strip-components=1")
           },
diff --git a/src/utils/setup/setupBin.ts b/src/utils/setup/setupBin.ts
index 5ccc1053..ffc96b9c 100644
--- a/src/utils/setup/setupBin.ts
+++ b/src/utils/setup/setupBin.ts
@@ -15,7 +15,7 @@ export type PackageInfo = {
   binRelativeDir: string
   /** The function to extract the downloaded archive. It can be `undefined`, if the binary itself is downloaded directly. */
   extractFunction?: {
-    (file: string, dest: string): Promise<string>
+    (file: string, dest: string): Promise<string> | Promise<void>
   }
 }