From f5115afcd8125f072a617e230e3266ece5d70d93 Mon Sep 17 00:00:00 2001
From: Haneen Mahdin <haneenmahdin@gmail.com>
Date: Sat, 30 Jul 2022 09:00:56 +0530
Subject: [PATCH 1/3] Fix type for error messages

---
 src/installer.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/installer.ts b/src/installer.ts
index 193ff16a7..8128a7dc5 100644
--- a/src/installer.ts
+++ b/src/installer.ts
@@ -116,9 +116,9 @@ export async function getNode(
           `Received HTTP status code ${err.httpStatusCode}.  This usually indicates the rate limit has been exceeded`
         );
       } else {
-        core.info(err.message);
+        core.info((err as Error).message);
       }
-      core.debug(err.stack);
+      core.debug((err as Error).stack!);
       core.info('Falling back to download directly from Node');
     }
 
@@ -334,7 +334,7 @@ async function resolveVersionFromManifest(
     return info?.resolvedVersion;
   } catch (err) {
     core.info('Unable to resolve version from manifest...');
-    core.debug(err.message);
+    core.debug((err as Error).message);
   }
 }
 

From 7884734703c17fc06a977b11ad2ac912d75e7ce9 Mon Sep 17 00:00:00 2001
From: Haneen Mahdin <haneenmahdin@gmail.com>
Date: Sat, 30 Jul 2022 09:04:33 +0530
Subject: [PATCH 2/3] Fix types for errors

---
 src/cache-save.ts | 2 +-
 src/main.ts       | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/cache-save.ts b/src/cache-save.ts
index 24565a8e6..ede5d83c7 100644
--- a/src/cache-save.ts
+++ b/src/cache-save.ts
@@ -17,7 +17,7 @@ export async function run() {
     const cacheLock = core.getInput('cache');
     await cachePackages(cacheLock);
   } catch (error) {
-    core.setFailed(error.message);
+    core.setFailed((error as Error).message);
   }
 }
 
diff --git a/src/main.ts b/src/main.ts
index ac7e51f5c..41dcf844f 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -72,7 +72,7 @@ export async function run() {
       `##[add-matcher]${path.join(matchersPath, 'eslint-compact.json')}`
     );
   } catch (err) {
-    core.setFailed(err.message);
+    core.setFailed((err as Error).message);
   }
 }
 

From 5a3778b347383a5aeec7494a5eeb7602b8bc8ee9 Mon Sep 17 00:00:00 2001
From: Haneen Mahdin <haneenmahdin@gmail.com>
Date: Sat, 30 Jul 2022 09:48:07 +0530
Subject: [PATCH 3/3] Add support for specifying versions for package managers
 (#529)

---
 src/cache-utils.ts | 28 +++++++++++++++++++++++-----
 1 file changed, 23 insertions(+), 5 deletions(-)

diff --git a/src/cache-utils.ts b/src/cache-utils.ts
index ccd4e9876..901d199e3 100644
--- a/src/cache-utils.ts
+++ b/src/cache-utils.ts
@@ -47,17 +47,35 @@ export const getCommandOutput = async (toolCommand: string) => {
   return stdout.trim();
 };
 
+const resolvePackageManagerVersionInput = (
+  packageManager: string
+): string | undefined => {
+  let version = core.getInput(`${packageManager}-version`);
+
+  if (version !== '') {
+    core.info(`Using ${packageManager} with version ${version}.`);
+
+    return version;
+  }
+};
+
 const getPackageManagerVersion = async (
   packageManager: string,
   command: string
 ) => {
-  const stdOut = await getCommandOutput(`${packageManager} ${command}`);
+  let packageManagerVersion = resolvePackageManagerVersionInput(packageManager);
 
-  if (!stdOut) {
-    throw new Error(`Could not retrieve version of ${packageManager}`);
-  }
+  if (packageManagerVersion) {
+    return packageManagerVersion;
+  } else {
+    const stdOut = await getCommandOutput(`${packageManager} ${command}`);
 
-  return stdOut;
+    if (!stdOut) {
+      throw new Error(`Could not retrieve version of ${packageManager}`);
+    }
+
+    return stdOut;
+  }
 };
 
 export const getPackageManagerInfo = async (packageManager: string) => {