fix adding to bin path

__tests__/setup-go.test.ts

@@ -3,7 +3,7 @@ import * as io from '@actions/io';
 import * as tc from '@actions/tool-cache';
 import fs from 'fs';
 import cp from 'child_process';
-import osm = require('os');
+import osm from 'os';
 import path from 'path';
 import * as main from '../src/main';
 import * as im from '../src/installer';

dist/index.js

@@ -1444,7 +1444,8 @@ function run() {
                 core.exportVariable('GOROOT', installDir);
                 core.addPath(path_1.default.join(installDir, 'bin'));
                 core.info('Added go to the path');
-                let added = addBinToPath();
+                let added = yield addBinToPath();
+                core.debug(`add bin ${added}`);
                 core.info(`Successfully setup go version ${versionSpec}`);
             }
             // add problem matchers

src/main.ts

@@ -30,7 +30,8 @@ export async function run() {
       core.addPath(path.join(installDir, 'bin'));
       core.info('Added go to the path');
 
-      let added = addBinToPath();
+      let added = await addBinToPath();
+      core.debug(`add bin ${added}`);
       core.info(`Successfully setup go version ${versionSpec}`);
     }