diff --git a/__tests__/setup-go.test.ts b/__tests__/setup-go.test.ts
index 622fdfa..2f8bd53 100644
--- a/__tests__/setup-go.test.ts
+++ b/__tests__/setup-go.test.ts
@@ -7,7 +7,7 @@ import {run} from '../src/main';
 import * as httpm from '@actions/http-client';
 import * as im from '../src/installer';
 import * as sys from '../src/system';
-import { ITypedResponse } from '@actions/http-client/interfaces';
+import {ITypedResponse} from '@actions/http-client/interfaces';
 
 let goJsonData = require('./data/golang-dl.json');
 
@@ -28,12 +28,15 @@ describe('setup-go', () => {
     cnSpy = jest.spyOn(process.stdout, 'write');
     platSpy = jest.spyOn(sys, 'getPlatform');
     archSpy = jest.spyOn(sys, 'getArch');
-    dlSpy = jest.spyOn(tc, "downloadTool");
-    exSpy = jest.spyOn(tc, "extractTar");
+    dlSpy = jest.spyOn(tc, 'downloadTool');
+    exSpy = jest.spyOn(tc, 'extractTar');
     getSpy = jest.spyOn(http, 'getJson');
-    getSpy.mockImplementation(() => <ITypedResponse<im.IGoVersion[]>>{ 
-      result: goJsonData
-    });    
+    getSpy.mockImplementation(
+      () =>
+        <ITypedResponse<im.IGoVersion[]>>{
+          result: goJsonData
+        }
+    );
     cnSpy.mockImplementation(line => {
       // uncomment to debug
       //process.stderr.write('write2:' + line + '\n');
@@ -49,7 +52,7 @@ describe('setup-go', () => {
   afterAll(async () => {}, 100000);
 
   it('finds a version of go already in the cache', async () => {
-    inSpy.mockImplementation(() => '1.13.0')
+    inSpy.mockImplementation(() => '1.13.0');
     let toolPath = path.normalize('/cache/go/1.13.0/x64');
     tcSpy.mockImplementation(() => toolPath);
     await run();
@@ -79,14 +82,16 @@ describe('setup-go', () => {
   });
 
   it('can mock go versions query', async () => {
-    let r: ITypedResponse<im.IGoVersion[]> = await http.getJson<im.IGoVersion[]>('https://asite.notexist.com/path');
+    let r: ITypedResponse<im.IGoVersion[]> = await http.getJson<
+      im.IGoVersion[]
+    >('https://asite.notexist.com/path');
     expect(r).toBeDefined();
     let versions = r.result;
     expect(versions).toBeDefined();
-    let l:number = versions? versions.length: 0; 
+    let l: number = versions ? versions.length : 0;
     expect(l).toBe(76);
   });
-  
+
   it('finds stable match for exact version', async () => {
     platSpy.mockImplementation(() => 'linux');
     archSpy.mockImplementation(() => 'amd64');
@@ -97,10 +102,10 @@ describe('setup-go', () => {
     expect(match).toBeDefined();
     let version: string = match ? match.version : '';
     expect(version).toBe('go1.13.1');
-    let fileName = match ? match.files[0].filename: '';
+    let fileName = match ? match.files[0].filename : '';
     expect(fileName).toBe('go1.13.1.linux-amd64.tar.gz');
   });
-  
+
   it('finds stable match for exact dot zero version', async () => {
     platSpy.mockImplementation(() => 'linux');
     archSpy.mockImplementation(() => 'amd64');
@@ -110,10 +115,10 @@ describe('setup-go', () => {
     expect(match).toBeDefined();
     let version: string = match ? match.version : '';
     expect(version).toBe('go1.13');
-    let fileName = match ? match.files[0].filename: '';
+    let fileName = match ? match.files[0].filename : '';
     expect(fileName).toBe('go1.13.linux-amd64.tar.gz');
   });
-  
+
   it('finds latest patch version for minor version spec', async () => {
     platSpy.mockImplementation(() => 'linux');
     archSpy.mockImplementation(() => 'amd64');
@@ -123,10 +128,10 @@ describe('setup-go', () => {
     expect(match).toBeDefined();
     let version: string = match ? match.version : '';
     expect(version).toBe('go1.13.7');
-    let fileName = match ? match.files[0].filename: '';
+    let fileName = match ? match.files[0].filename : '';
     expect(fileName).toBe('go1.13.7.linux-amd64.tar.gz');
   });
-  
+
   it('finds latest patch version for caret version spec', async () => {
     platSpy.mockImplementation(() => 'linux');
     archSpy.mockImplementation(() => 'amd64');
@@ -136,10 +141,10 @@ describe('setup-go', () => {
     expect(match).toBeDefined();
     let version: string = match ? match.version : '';
     expect(version).toBe('go1.13.7');
-    let fileName = match ? match.files[0].filename: '';
+    let fileName = match ? match.files[0].filename : '';
     expect(fileName).toBe('go1.13.7.linux-amd64.tar.gz');
   });
-  
+
   it('finds latest version for major version spec', async () => {
     platSpy.mockImplementation(() => 'linux');
     archSpy.mockImplementation(() => 'amd64');
@@ -149,7 +154,7 @@ describe('setup-go', () => {
     expect(match).toBeDefined();
     let version: string = match ? match.version : '';
     expect(version).toBe('go1.13.7');
-    let fileName = match ? match.files[0].filename: '';
+    let fileName = match ? match.files[0].filename : '';
     expect(fileName).toBe('go1.13.7.linux-amd64.tar.gz');
-  });  
+  });
 });
diff --git a/dist/index.js b/dist/index.js
index cd79128..abf8c8e 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -1287,7 +1287,7 @@ function run() {
             // If not supplied then problem matchers will still be setup.  Useful for self-hosted.
             //
             let versionSpec = core.getInput('go-version');
-            let stable = (core.getInput('stable') || '').toUpperCase() == "TRUE";
+            let stable = (core.getInput('stable') || '').toUpperCase() == 'TRUE';
             if (versionSpec) {
                 let installDir = tc.find('go', versionSpec);
                 if (!installDir) {
@@ -4591,8 +4591,9 @@ function downloadGo(versionSpec, stable) {
                 let downloadUrl = `https://storage.googleapis.com/golang/${match.files[0]}`;
                 let downloadPath = yield tc.downloadTool(downloadUrl);
                 // extract
-                let extPath = sys.getPlatform() == 'windows' ?
-                    yield tc.extractZip(downloadPath) : yield tc.extractTar(downloadPath);
+                let extPath = sys.getPlatform() == 'windows'
+                    ? yield tc.extractZip(downloadPath)
+                    : yield tc.extractTar(downloadPath);
                 // extracts with a root folder that matches the fileName downloaded
                 const toolRoot = path.join(extPath, 'go');
                 toolPath = yield tc.cacheDir(toolRoot, 'go', versionSpec);
@@ -4638,7 +4639,6 @@ function findMatch(versionSpec, stable) {
                 }
             }
         }
-        ;
         if (match && goFile) {
             match.files = [goFile];
         }
diff --git a/lib/installer.js b/lib/installer.js
index 1b4ee16..04efe48 100644
--- a/lib/installer.js
+++ b/lib/installer.js
@@ -30,8 +30,9 @@ function downloadGo(versionSpec, stable) {
                 let downloadUrl = `https://storage.googleapis.com/golang/${match.files[0]}`;
                 let downloadPath = yield tc.downloadTool(downloadUrl);
                 // extract
-                let extPath = sys.getPlatform() == 'windows' ?
-                    yield tc.extractZip(downloadPath) : yield tc.extractTar(downloadPath);
+                let extPath = sys.getPlatform() == 'windows'
+                    ? yield tc.extractZip(downloadPath)
+                    : yield tc.extractTar(downloadPath);
                 // extracts with a root folder that matches the fileName downloaded
                 const toolRoot = path.join(extPath, 'go');
                 toolPath = yield tc.cacheDir(toolRoot, 'go', versionSpec);
@@ -77,7 +78,6 @@ function findMatch(versionSpec, stable) {
                 }
             }
         }
-        ;
         if (match && goFile) {
             match.files = [goFile];
         }
diff --git a/src/installer.ts b/src/installer.ts
index f925b46..a719df7 100644
--- a/src/installer.ts
+++ b/src/installer.ts
@@ -1,10 +1,13 @@
 import * as tc from '@actions/tool-cache';
 import * as path from 'path';
 import * as semver from 'semver';
-import * as httpm from '@actions/http-client'
-import * as sys from './system'
+import * as httpm from '@actions/http-client';
+import * as sys from './system';
 
-export async function downloadGo(versionSpec: string, stable: boolean): Promise<string | undefined> {
+export async function downloadGo(
+  versionSpec: string,
+  stable: boolean
+): Promise<string | undefined> {
   let toolPath: string | undefined;
 
   try {
@@ -16,8 +19,10 @@ export async function downloadGo(versionSpec: string, stable: boolean): Promise<
       let downloadPath: string = await tc.downloadTool(downloadUrl);
 
       // extract
-      let extPath: string = sys.getPlatform() == 'windows'?
-        await tc.extractZip(downloadPath): await tc.extractTar(downloadPath);
+      let extPath: string =
+        sys.getPlatform() == 'windows'
+          ? await tc.extractZip(downloadPath)
+          : await tc.extractTar(downloadPath);
 
       // extracts with a root folder that matches the fileName downloaded
       const toolRoot = path.join(extPath, 'go');
@@ -31,10 +36,10 @@ export async function downloadGo(versionSpec: string, stable: boolean): Promise<
 }
 
 export interface IGoVersionFile {
-  filename: string,
+  filename: string;
   // darwin, linux, windows
-  os: string,
-  arch: string
+  os: string;
+  arch: string;
 }
 
 export interface IGoVersion {
@@ -43,26 +48,31 @@ export interface IGoVersion {
   files: IGoVersionFile[];
 }
 
-export async function findMatch(versionSpec: string, stable: boolean): Promise<IGoVersion | undefined> {
+export async function findMatch(
+  versionSpec: string,
+  stable: boolean
+): Promise<IGoVersion | undefined> {
   let archFilter = sys.getArch();
   let platFilter = sys.getPlatform();
 
-  let match: IGoVersion| undefined;
+  let match: IGoVersion | undefined;
   const dlUrl: string = 'https://golang.org/dl/?mode=json&include=all';
 
   // this returns versions descending so latest is first
   let http: httpm.HttpClient = new httpm.HttpClient('setup-go');
-  let candidates: IGoVersion[] | null =  (await http.getJson<IGoVersion[]>(dlUrl)).result;
+  let candidates: IGoVersion[] | null = (await http.getJson<IGoVersion[]>(
+    dlUrl
+  )).result;
 
   if (!candidates) {
     throw new Error(`golang download url did not return results: ${dlUrl}`);
   }
-  
+
   let goFile: IGoVersionFile | undefined;
-  for (let i=0; i < candidates.length; i++) {
+  for (let i = 0; i < candidates.length; i++) {
     let candidate: IGoVersion = candidates[i];
     let version = candidate.version.replace('go', '');
-    
+
     // 1.13.0 is advertised as 1.13 preventing being able to match exactly 1.13.0
     // since a semver of 1.13 would match latest 1.13
     let parts: string[] = version.split('.');
@@ -81,10 +91,10 @@ export async function findMatch(versionSpec: string, stable: boolean): Promise<I
         break;
       }
     }
-  };
+  }
 
   if (match && goFile) {
-    match.files = [ goFile ];
+    match.files = [goFile];
   }
 
   return match;
diff --git a/src/main.ts b/src/main.ts
index 26e34e7..8defc5e 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -10,22 +10,24 @@ export async function run() {
     // If not supplied then problem matchers will still be setup.  Useful for self-hosted.
     //
     let versionSpec = core.getInput('go-version');
-    let stable: boolean = (core.getInput('stable') || '').toUpperCase() == "TRUE";
+    let stable: boolean =
+      (core.getInput('stable') || '').toUpperCase() == 'TRUE';
 
     if (versionSpec) {
-        let installDir: string | undefined = tc.find('go', versionSpec);
+      let installDir: string | undefined = tc.find('go', versionSpec);
 
-        if (!installDir) {
-            installDir = await installer.downloadGo(versionSpec, stable);
-        }
-        
-        if (installDir) {
-            core.exportVariable('GOROOT', installDir);
-            core.addPath(path.join(installDir, 'bin'));
-        }   
-        else {
-            throw new Error(`Could not find a version that satisfied version spec: ${versionSpec}`);
-        }
+      if (!installDir) {
+        installDir = await installer.downloadGo(versionSpec, stable);
+      }
+
+      if (installDir) {
+        core.exportVariable('GOROOT', installDir);
+        core.addPath(path.join(installDir, 'bin'));
+      } else {
+        throw new Error(
+          `Could not find a version that satisfied version spec: ${versionSpec}`
+        );
+      }
     }
 
     // add problem matchers
@@ -34,4 +36,4 @@ export async function run() {
   } catch (error) {
     core.setFailed(error.message);
   }
-}
\ No newline at end of file
+}
diff --git a/src/setup-go.ts b/src/setup-go.ts
index 7045ac0..e2a31b4 100644
--- a/src/setup-go.ts
+++ b/src/setup-go.ts
@@ -1,3 +1,3 @@
-import {run} from './main'
+import {run} from './main';
 
 run();
diff --git a/src/system.ts b/src/system.ts
index 5ed02f4..df26907 100644
--- a/src/system.ts
+++ b/src/system.ts
@@ -1,37 +1,37 @@
 import * as os from 'os';
 
 export function getPlatform(): string {
-    // darwin and linux match already
-    // freebsd not supported yet but future proofed.
-  
-    // 'aix', 'darwin', 'freebsd', 'linux', 'openbsd', 'sunos', and 'win32'
-    let plat: string = os.platform();
-  
-    // wants 'darwin', 'freebsd', 'linux', 'windows'
-    if (plat === 'win32') {
-      plat = 'windows';
-    }
-  
-    return plat;
+  // darwin and linux match already
+  // freebsd not supported yet but future proofed.
+
+  // 'aix', 'darwin', 'freebsd', 'linux', 'openbsd', 'sunos', and 'win32'
+  let plat: string = os.platform();
+
+  // wants 'darwin', 'freebsd', 'linux', 'windows'
+  if (plat === 'win32') {
+    plat = 'windows';
   }
-  
-  export function getArch(): string {
-    // 'arm', 'arm64', 'ia32', 'mips', 'mipsel', 'ppc', 'ppc64', 's390', 's390x', 'x32', and 'x64'.
-    let arch: string = os.arch();
-  
-    // wants amd64, 386, arm64, armv61, ppc641e, s390x
-    // currently not supported by runner but future proofed mapping
-    switch (arch) {
-      case 'x64':
-        arch = 'amd64';
-        break;
-      case 'ppc':
-        arch = 'ppc64';
-        break;
-      case 'x32':
-        arch = '386';
-        break;
-    }
-  
-    return arch;
-  }
\ No newline at end of file
+
+  return plat;
+}
+
+export function getArch(): string {
+  // 'arm', 'arm64', 'ia32', 'mips', 'mipsel', 'ppc', 'ppc64', 's390', 's390x', 'x32', and 'x64'.
+  let arch: string = os.arch();
+
+  // wants amd64, 386, arm64, armv61, ppc641e, s390x
+  // currently not supported by runner but future proofed mapping
+  switch (arch) {
+    case 'x64':
+      arch = 'amd64';
+      break;
+    case 'ppc':
+      arch = 'ppc64';
+      break;
+    case 'x32':
+      arch = '386';
+      break;
+  }
+
+  return arch;
+}