Export GOROOT for versions < 1.9

__tests__/setup-go.test.ts

@@ -20,6 +20,7 @@ describe('setup-go', () => {
 
   let inSpy: jest.SpyInstance;
   let getBooleanInputSpy: jest.SpyInstance;
+  let exportVarSpy: jest.SpyInstance;
   let findSpy: jest.SpyInstance;
   let cnSpy: jest.SpyInstance;
   let logSpy: jest.SpyInstance;
@@ -27,7 +28,7 @@ describe('setup-go', () => {
   let platSpy: jest.SpyInstance;
   let archSpy: jest.SpyInstance;
   let dlSpy: jest.SpyInstance;
-  let exSpy: jest.SpyInstance;
+  let extractTarSpy: jest.SpyInstance;
   let cacheSpy: jest.SpyInstance;
   let dbgSpy: jest.SpyInstance;
   let whichSpy: jest.SpyInstance;
@@ -49,7 +50,8 @@ describe('setup-go', () => {
     inSpy.mockImplementation(name => inputs[name]);
     getBooleanInputSpy = jest.spyOn(core, 'getBooleanInput');
     getBooleanInputSpy.mockImplementation(name => inputs[name]);
-    exSpy = jest.spyOn(core, 'exportVariable');
+    exportVarSpy = jest.spyOn(core, 'exportVariable');
+    extractTarSpy = jest.spyOn(core, 'exportVariable');
 
     // node
     os = {};
@@ -62,7 +64,7 @@ describe('setup-go', () => {
     // @actions/tool-cache
     findSpy = jest.spyOn(tc, 'find');
     dlSpy = jest.spyOn(tc, 'downloadTool');
-    exSpy = jest.spyOn(tc, 'extractTar');
+    extractTarSpy = jest.spyOn(tc, 'extractTar');
     cacheSpy = jest.spyOn(tc, 'cacheDir');
     getSpy = jest.spyOn(im, 'getVersionsDist');
     getManifestSpy = jest.spyOn(tc, 'getManifestFromRepo');
@@ -231,15 +233,15 @@ describe('setup-go', () => {
     expect(logSpy).toHaveBeenCalledWith(`Setup go version spec 1.13.0`);
   });
 
-  it('does not export any varibles', async () => {
+  it('does not export any variables for Go versions >=1.9', async () => {
     inputs['go-version'] = '1.13.0';
     inSpy.mockImplementation(name => inputs[name]);
 
     let toolPath = path.normalize('/cache/go/1.13.0/x64');
     findSpy.mockImplementation(() => toolPath);
 
-    let vars = {} as any;
+    let vars: { [key: string]: string; } = {};
-    exSpy.mockImplementation(async (name, val) => {
+    exportVarSpy.mockImplementation((name: string, val: string) => {
       vars[name] = val;
     });
 
@@ -247,6 +249,25 @@ describe('setup-go', () => {
     expect(vars).toStrictEqual({});
   });
 
+  it('exports GOROOT for Go versions <1.9', async () => {
+    inputs['go-version'] = '1.8';
+    inSpy.mockImplementation(name => inputs[name]);
+
+    let toolPath = path.normalize('/cache/go/1.8.0/x64');
+    findSpy.mockImplementation(() => toolPath);
+
+    let vars: { [key: string]: string; } = {};
+    exportVarSpy.mockImplementation((name: string, val: string) => {
+      vars[name] = val;
+    });
+
+    await main.run();
+    expect(vars).toStrictEqual({
+      "GOROOT": toolPath
+    });
+  });
+
+
   it('finds a version of go already in the cache', async () => {
     inputs['go-version'] = '1.13.0';
 
@@ -288,14 +309,14 @@ describe('setup-go', () => {
     findSpy.mockImplementation(() => '');
     dlSpy.mockImplementation(() => '/some/temp/path');
     let toolPath = path.normalize('/cache/go/1.13.0/x64');
-    exSpy.mockImplementation(() => '/some/other/temp/path');
+    extractTarSpy.mockImplementation(() => '/some/other/temp/path');
     cacheSpy.mockImplementation(() => toolPath);
     await main.run();
 
     let expPath = path.join(toolPath, 'bin');
 
     expect(dlSpy).toHaveBeenCalled();
-    expect(exSpy).toHaveBeenCalled();
+    expect(extractTarSpy).toHaveBeenCalled();
     expect(cnSpy).toHaveBeenCalledWith(`::add-path::${expPath}${osm.EOL}`);
   });
 
@@ -330,7 +351,7 @@ describe('setup-go', () => {
 
     dlSpy.mockImplementation(async () => '/some/temp/path');
     let toolPath = path.normalize('/cache/go/1.12.16/x64');
-    exSpy.mockImplementation(async () => '/some/other/temp/path');
+    extractTarSpy.mockImplementation(async () => '/some/other/temp/path');
     cacheSpy.mockImplementation(async () => toolPath);
 
     await main.run();
@@ -338,7 +359,7 @@ describe('setup-go', () => {
     let expPath = path.join(toolPath, 'bin');
 
     expect(dlSpy).toHaveBeenCalled();
-    expect(exSpy).toHaveBeenCalled();
+    expect(extractTarSpy).toHaveBeenCalled();
     expect(logSpy).not.toHaveBeenCalledWith(
       'Not found in manifest.  Falling back to download directly from Go'
     );
@@ -367,7 +388,7 @@ describe('setup-go', () => {
 
     dlSpy.mockImplementation(async () => '/some/temp/path');
     let toolPath = path.normalize('/cache/go/1.12.17/x64');
-    exSpy.mockImplementation(async () => '/some/other/temp/path');
+    extractTarSpy.mockImplementation(async () => '/some/other/temp/path');
     cacheSpy.mockImplementation(async () => toolPath);
 
     await main.run();
@@ -375,7 +396,7 @@ describe('setup-go', () => {
     let expPath = path.join(toolPath, 'bin');
 
     expect(dlSpy).toHaveBeenCalled();
-    expect(exSpy).toHaveBeenCalled();
+    expect(extractTarSpy).toHaveBeenCalled();
     expect(logSpy).not.toHaveBeenCalledWith(
       'Not found in manifest.  Falling back to download directly from Go'
     );
@@ -404,7 +425,7 @@ describe('setup-go', () => {
 
     dlSpy.mockImplementation(async () => '/some/temp/path');
     let toolPath = path.normalize('/cache/go/1.12.14/x64');
-    exSpy.mockImplementation(async () => '/some/other/temp/path');
+    extractTarSpy.mockImplementation(async () => '/some/other/temp/path');
     cacheSpy.mockImplementation(async () => toolPath);
 
     await main.run();
@@ -415,7 +436,7 @@ describe('setup-go', () => {
     expect(logSpy).toHaveBeenCalledWith('Attempting to download 1.12.14...');
     expect(dlSpy).toHaveBeenCalled();
     expect(logSpy).toHaveBeenCalledWith('matching 1.12.14...');
-    expect(exSpy).toHaveBeenCalled();
+    expect(extractTarSpy).toHaveBeenCalled();
     expect(logSpy).toHaveBeenCalledWith(
       'Not found in manifest.  Falling back to download directly from Go'
     );
@@ -617,7 +638,7 @@ describe('setup-go', () => {
       const toolPath = path.normalize('/cache/go/1.16.1/x64');
       findSpy.mockReturnValue(toolPath);
       dlSpy.mockImplementation(async () => '/some/temp/path');
-      exSpy.mockImplementation(async () => '/some/other/temp/path');
+      extractTarSpy.mockImplementation(async () => '/some/other/temp/path');
       cacheSpy.mockImplementation(async () => toolPath);
 
       await main.run();
@@ -639,7 +660,7 @@ describe('setup-go', () => {
       findSpy.mockImplementation(() => '');
       dlSpy.mockImplementation(async () => '/some/temp/path');
       const toolPath = path.normalize('/cache/go/1.17.5/x64');
-      exSpy.mockImplementation(async () => '/some/other/temp/path');
+      extractTarSpy.mockImplementation(async () => '/some/other/temp/path');
       cacheSpy.mockImplementation(async () => toolPath);
       const expectedUrl =
         'https://github.com/actions/go-versions/releases/download/1.17.6-1668090892/go-1.17.6-darwin-x64.tar.gz';
@@ -680,7 +701,7 @@ describe('setup-go', () => {
 
       dlSpy.mockImplementation(async () => '/some/temp/path');
       let toolPath = path.normalize('/cache/go/1.13.7/x64');
-      exSpy.mockImplementation(async () => '/some/other/temp/path');
+      extractTarSpy.mockImplementation(async () => '/some/other/temp/path');
       cacheSpy.mockImplementation(async () => toolPath);
 
       await main.run();
@@ -688,7 +709,7 @@ describe('setup-go', () => {
       let expPath = path.join(toolPath, 'bin');
 
       expect(dlSpy).toHaveBeenCalled();
-      expect(exSpy).toHaveBeenCalled();
+      expect(extractTarSpy).toHaveBeenCalled();
       expect(logSpy).toHaveBeenCalledWith(
         'Attempting to resolve the latest version from the manifest...'
       );
@@ -722,7 +743,7 @@ describe('setup-go', () => {
 
       dlSpy.mockImplementation(async () => '/some/temp/path');
       let toolPath = path.normalize('/cache/go/1.13.7/x64');
-      exSpy.mockImplementation(async () => '/some/other/temp/path');
+      extractTarSpy.mockImplementation(async () => '/some/other/temp/path');
       cacheSpy.mockImplementation(async () => toolPath);
 
       await main.run();
@@ -733,7 +754,7 @@ describe('setup-go', () => {
         `Failed to resolve version ${versionSpec} from manifest`
       );
       expect(dlSpy).toHaveBeenCalled();
-      expect(exSpy).toHaveBeenCalled();
+      expect(extractTarSpy).toHaveBeenCalled();
       expect(logSpy).toHaveBeenCalledWith(
         'Attempting to resolve the latest version from the manifest...'
       );

dist/index.js

@@ -2062,6 +2062,7 @@ exports.addBinToPath = exports.run = void 0;
 const core = __importStar(__webpack_require__(470));
 const io = __importStar(__webpack_require__(1));
 const installer = __importStar(__webpack_require__(749));
+const semver = __importStar(__webpack_require__(280));
 const path_1 = __importDefault(__webpack_require__(622));
 const child_process_1 = __importDefault(__webpack_require__(129));
 const fs_1 = __importDefault(__webpack_require__(747));
@@ -2082,6 +2083,12 @@ function run() {
                 const installDir = yield installer.getGo(versionSpec, checkLatest, auth);
                 core.addPath(path_1.default.join(installDir, 'bin'));
                 core.info('Added go to the path');
+                const version = installer.makeSemver(versionSpec);
+                // Go versions less than 1.9 require GOROOT to be set
+                if (semver.lt(version, '1.9.0')) {
+                    core.info("Setting GOROOT for Go version < 1.9");
+                    core.exportVariable('GOROOT', installDir);
+                }
                 let added = yield addBinToPath();
                 core.debug(`add bin ${added}`);
                 core.info(`Successfully setup go version ${versionSpec}`);

src/main.ts

@@ -1,6 +1,7 @@
 import * as core from '@actions/core';
 import * as io from '@actions/io';
 import * as installer from './installer';
+import * as semver from 'semver';
 import path from 'path';
 import cp from 'child_process';
 import fs from 'fs';
@@ -26,6 +27,13 @@ export async function run() {
       core.addPath(path.join(installDir, 'bin'));
       core.info('Added go to the path');
 
+      const version = installer.makeSemver(versionSpec);
+      // Go versions less than 1.9 require GOROOT to be set
+      if (semver.lt(version, '1.9.0')) {
+        core.info("Setting GOROOT for Go version < 1.9");
+        core.exportVariable('GOROOT', installDir);
+      }
+
       let added = await addBinToPath();
       core.debug(`add bin ${added}`);
       core.info(`Successfully setup go version ${versionSpec}`);