only needed to do once

src/main.ts

@@ -22,8 +22,6 @@ export async function run() {
       `Setup go ${stable ? 'stable' : ''} version spec ${versionSpec}`
     );
 
-    // if there's a globally install go and bin path, prefer that
-    let addedBin = addBinToPath();
     if (versionSpec) {
       let installDir: string | undefined = tc.find('go', versionSpec);
 
@@ -40,11 +38,8 @@ export async function run() {
         core.addPath(path.join(installDir, 'bin'));
         console.log('Added go to the path');
 
-        // if the global installed bin wasn't added,
-        // we can add the bin just installed
-        if (!addedBin) {
-          addBinToPath();
-        }
+        let added = addBinToPath();
+        core.debug(`add bin ${added}`);
       } else {
         throw new Error(
           `Could not find a version that satisfied version spec: ${versionSpec}`