Merge pull request #1 from actions/features/getRubyVersion

First attempt at find ruby action

__tests__/find-ruby.test.ts

@@ -0,0 +1,59 @@
+import * as io from '@actions/io';
+import fs = require('fs');
+import os = require('os');
+import path = require('path');
+
+const toolDir = path.join(__dirname, 'runner', 'tools');
+const tempDir = path.join(__dirname, 'runner', 'temp');
+
+process.env['RUNNER_TOOLSDIRECTORY'] = toolDir;
+process.env['RUNNER_TEMPDIRECTORY'] = tempDir;
+
+import findRubyVersion from '../src/find-ruby';
+
+describe('find-ruby', () => {
+  beforeAll(async () => {
+    await io.rmRF(toolDir);
+    await io.rmRF(tempDir);
+  });
+
+  afterAll(async () => {
+    try {
+      await io.rmRF(toolDir);
+      await io.rmRF(tempDir);
+    } catch {
+      console.log('Failed to remove test directories');
+    }
+  }, 100000);
+
+  it('findRubyVersion throws if cannot find any version of ruby', async () => {
+    let thrown = false;
+    try {
+      await findRubyVersion('>= 2.4');
+    } catch {
+      thrown = true;
+    }
+    expect(thrown).toBe(true);
+  });
+
+  it('findRubyVersion throws version of ruby is not complete', async () => {
+    let thrown = false;
+    const rubyDir: string = path.join(toolDir, 'Ruby', '2.4.6', os.arch());
+    await io.mkdirP(rubyDir);
+    try {
+      await findRubyVersion('>= 2.4');
+    } catch {
+      thrown = true;
+    }
+    expect(thrown).toBe(true);
+  });
+
+  it('findRubyVersion adds ruby bin to PATH', async () => {
+    const rubyDir: string = path.join(toolDir, 'Ruby', '2.4.6', os.arch());
+    await io.mkdirP(rubyDir);
+    fs.writeFileSync(`${rubyDir}.complete`, 'hello');
+    await findRubyVersion('>= 2.4');
+    const binDir = path.join(rubyDir, 'bin');
+    expect(process.env['PATH']!.startsWith(`${binDir};`)).toBe(true);
+  });
+});

__tests__/main.test.ts

@@ -1,3 +0,0 @@
-describe('TODO - Add a test suite', () => {
-  it('TODO - Add a test', async () => {});
-});

action.yml

@@ -3,8 +3,9 @@ description: 'Setup a Ruby environment and add it to the PATH'
 author: 'GitHub'
 inputs: 
   version:
-    description: 'The Ruby version to use. Defaults to >= 2.4'
+    description: 'Version range or exact version of a Ruby version to use.'
     default: '>= 2.4'
+
 runs:
   using: 'node'
   main: 'lib/main.js'

lib/find-ruby.js

@@ -0,0 +1,40 @@
+"use strict";
+var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
+    return new (P || (P = Promise))(function (resolve, reject) {
+        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
+        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
+        function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
+        step((generator = generator.apply(thisArg, _arguments || [])).next());
+    });
+};
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
+    result["default"] = mod;
+    return result;
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+const core = __importStar(require("@actions/core"));
+const exec = __importStar(require("@actions/exec"));
+const tc = __importStar(require("@actions/tool-cache"));
+const path = __importStar(require("path"));
+const IS_WINDOWS = process.platform === 'win32';
+function default_1(version) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const installDir = tc.find('Ruby', version);
+        if (!installDir) {
+            throw new Error(`Version ${version} not found`);
+        }
+        const toolPath = path.join(installDir, 'bin');
+        if (!IS_WINDOWS) {
+            // Ruby / Gem heavily use the '#!/usr/bin/ruby' to find ruby, so this task needs to
+            // replace that version of ruby so all the correct version of ruby gets selected
+            // replace the default
+            const dest = '/usr/bin/ruby';
+            exec.exec('sudo ln', ['-sf', path.join(toolPath, 'ruby'), dest]); // replace any existing
+        }
+        core.addPath(toolPath);
+    });
+}
+exports.default = default_1;

lib/main.js

@@ -14,12 +14,21 @@ var __importStar = (this && this.__importStar) || function (mod) {
     result["default"] = mod;
     return result;
 };
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
 Object.defineProperty(exports, "__esModule", { value: true });
 const core = __importStar(require("@actions/core"));
+const find_ruby_1 = __importDefault(require("./find-ruby"));
 function run() {
     return __awaiter(this, void 0, void 0, function* () {
-        const myInput = core.getInput('myInput');
-        core.debug(`Hello ${myInput}`);
+        try {
+            const version = core.getInput('version');
+            yield find_ruby_1.default(version);
+        }
+        catch (error) {
+            core.setFailed(error.message);
+        }
     });
 }
 run();

src/find-ruby.ts

@@ -0,0 +1,26 @@
+import * as core from '@actions/core';
+import * as exec from '@actions/exec';
+import * as tc from '@actions/tool-cache';
+import * as path from 'path';
+
+const IS_WINDOWS = process.platform === 'win32';
+
+export default async function(version: string) {
+  const installDir: string | null = tc.find('Ruby', version);
+
+  if (!installDir) {
+    throw new Error(`Version ${version} not found`);
+  }
+
+  const toolPath: string = path.join(installDir, 'bin');
+
+  if (!IS_WINDOWS) {
+    // Ruby / Gem heavily use the '#!/usr/bin/ruby' to find ruby, so this task needs to
+    // replace that version of ruby so all the correct version of ruby gets selected
+    // replace the default
+    const dest: string = '/usr/bin/ruby';
+    exec.exec('sudo ln', ['-sf', path.join(toolPath, 'ruby'), dest]); // replace any existing
+  }
+
+  core.addPath(toolPath);
+}

src/main.ts

@@ -1,8 +1,13 @@
 import * as core from '@actions/core';
+import findRubyVersion from './find-ruby';
 
 async function run() {
-  const myInput = core.getInput('myInput');
-  core.debug(`Hello ${myInput}`);
+  try {
+    const version = core.getInput('version');
+    await findRubyVersion(version);
+  } catch (error) {
+    core.setFailed(error.message);
+  }
 }
 
 run();