re-use new releases assets url path

Bump ws from 7.4.5 to 7.4.6

README.md

@@ -6,29 +6,28 @@ This action sets up a flutter environment for use in actions. It works on Linux,
 
 ```yaml
 steps:
-- uses: actions/checkout@v1
+- uses: actions/checkout@v2
 - uses: actions/setup-java@v1
   with:
     java-version: '12.x'
 - uses: subosito/flutter-action@v1
   with:
-    flutter-version: '1.9.1+hotfix.6'
+    flutter-version: '2.0.5'
 - run: flutter pub get
 - run: flutter test
-- run: flutter build apk
 ```
 
 Use latest release for particular channel:
 
 ```yaml
 steps:
-- uses: actions/checkout@v1
+- uses: actions/checkout@v2
 - uses: actions/setup-java@v1
   with:
     java-version: '12.x'
 - uses: subosito/flutter-action@v1
   with:
-    channel: 'stable' # or: 'dev' or 'beta'
+    channel: 'stable' # or: 'beta', 'dev' or 'master'
 - run: flutter pub get
 - run: flutter test
 - run: flutter build apk
@@ -38,17 +37,96 @@ Use latest release for particular version and/or channel:
 
 ```yaml
 steps:
-- uses: actions/checkout@v1
+- uses: actions/checkout@v2
 - uses: actions/setup-java@v1
   with:
     java-version: '12.x'
 - uses: subosito/flutter-action@v1
   with:
-    flutter-version: '1.12.x' # you can use 1.12
-    channel: 'dev' # optional, default to: 'stable'
+    flutter-version: '1.22.x' # or, you can use 1.22
+    channel: 'dev'
+- run: flutter pub get
+- run: flutter test
+```
+
+Use particular version on any channel:
+
+```yaml
+steps:
+- uses: actions/checkout@v2
+- uses: actions/setup-java@v1
+  with:
+    java-version: '12.x'
+- uses: subosito/flutter-action@v1
+  with:
+    flutter-version: '2.x'
+    channel: 'any'
+- run: flutter pub get
+- run: flutter test
+```
+
+Build Android APK and app bundle:
+
+```yaml
+steps:
+- uses: actions/checkout@v2
+- uses: actions/setup-java@v1
+  with:
+    java-version: '12.x'
+- uses: subosito/flutter-action@v1
+  with:
+    flutter-version: '2.0.5'
 - run: flutter pub get
 - run: flutter test
 - run: flutter build apk
+- run: flutter build appbundle
+```
+
+Build for iOS too (macOS only):
+
+```yaml
+jobs:
+  build:
+    runs-on: macos-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-java@v1
+      with:
+        java-version: '12.x'
+    - uses: subosito/flutter-action@v1
+      with:
+        flutter-version: '2.0.5'
+    - run: flutter pub get
+    - run: flutter test
+    - run: flutter build apk
+    - run: flutter build ios --release --no-codesign
+```
+
+Build for the web:
+
+```yaml
+steps:
+- uses: actions/checkout@v2
+- uses: subosito/flutter-action@v1
+  with:
+    flutter-version: '2.0.5'
+- run: flutter pub get
+- run: flutter test
+- run: flutter build web
+```
+
+Build for Windows:
+
+```yaml
+  windows:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: subosito/flutter-action@v1
+        with:
+          channel: beta
+      - run: flutter config --enable-windows-desktop
+      - run: flutter build windows
 ```
 
 Matrix Testing:
@@ -62,16 +140,14 @@ jobs:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
       - uses: actions/setup-java@v1
         with:
           java-version: '12.x'
       - uses: subosito/flutter-action@v1
         with:
-          flutter-version: '1.11.0'
+          flutter-version: '1.20.2'
           channel: 'beta'
-      - run: flutter pub get
-      - run: flutter test
-      - run: flutter build apk
+      - run: dart --version
+      - run: flutter --version
 ```
-

__tests__/installer.test.ts

@@ -1,4 +1,5 @@
 import io = require('@actions/io');
+import exec = require('@actions/exec');
 import fs = require('fs');
 import path = require('path');
 import nock = require('nock');
@@ -11,91 +12,57 @@ process.env['RUNNER_TOOL_CACHE'] = toolDir;
 process.env['RUNNER_TEMP'] = tempDir;
 
 import * as installer from '../src/installer';
-
-function osName(): string {
-  switch (process.platform) {
-    case 'win32':
-      return 'windows';
-    case 'darwin':
-      return 'macos';
-    default:
-      return process.platform;
-  }
-}
+import * as release from '../src/release';
 
 describe('installer tests', () => {
   beforeAll(async () => {
     await io.rmRF(toolDir);
     await io.rmRF(tempDir);
-  }, 300000);
+  }, 100000);
 
-  afterAll(async () => {
-    try {
-      await io.rmRF(toolDir);
-      await io.rmRF(tempDir);
-    } catch {
-      console.log('Failed to remove test directories');
-    }
+  beforeEach(() => {
+    const platform = release.getPlatform();
+    nock('https://storage.googleapis.com', {allowUnmocked: true})
+      .get(`/flutter_infra_release/releases/releases_${platform}.json`)
+      .replyWithFile(200, path.join(dataDir, `releases_${platform}.json`));
+  });
+
+  afterEach(async () => {
+    nock.cleanAll();
+    nock.enableNetConnect();
+
+    await io.rmRF(toolDir);
+    await io.rmRF(tempDir);
   }, 100000);
 
   it('Downloads flutter', async () => {
-    await installer.getFlutter('1.0.0', 'stable');
-    const sdkDir = path.join(toolDir, 'flutter', '1.0.0-stable', 'x64');
+    await installer.getFlutter('2.0.0', 'stable');
+    const sdkDir = path.join(toolDir, 'flutter', '2.0.0-stable', 'x64');
 
     expect(fs.existsSync(`${sdkDir}.complete`)).toBe(true);
     expect(fs.existsSync(path.join(sdkDir, 'bin'))).toBe(true);
-  }, 100000);
+  }, 300000);
 
-  it('Downloads flutter from beta channel', async () => {
-    await installer.getFlutter('1.8.3', 'beta');
-    const sdkDir = path.join(toolDir, 'flutter', '1.8.3-beta', 'x64');
+  it('Downloads flutter from master channel', async () => {
+    await installer.getFlutter('', 'master');
+    const sdkDir = path.join(toolDir, 'flutter', 'master', 'x64');
+
+    let stdout = '';
+
+    const options = {
+      listeners: {
+        stdout: (data: Buffer) => {
+          stdout += data.toString();
+        }
+      }
+    };
 
     expect(fs.existsSync(`${sdkDir}.complete`)).toBe(true);
     expect(fs.existsSync(path.join(sdkDir, 'bin'))).toBe(true);
-  }, 100000);
 
-  describe('get the latest release of a flutter version', () => {
-    beforeEach(() => {
-      const platform = osName();
-      nock('https://storage.googleapis.com', {allowUnmocked: true})
-        .get(`/flutter_infra/releases/releases_${platform}.json`)
-        .replyWithFile(200, path.join(dataDir, `releases_${platform}.json`));
-    });
-
-    afterEach(() => {
-      nock.cleanAll();
-      nock.enableNetConnect();
-    });
-
-    it('Downloads latest flutter release from stable channel', async () => {
-      await installer.getFlutter('', 'stable');
-      const sdkDir = path.join(
-        toolDir,
-        'flutter',
-        '1.7.8-hotfix.4-stable',
-        'x64'
-      );
-
-      expect(fs.existsSync(`${sdkDir}.complete`)).toBe(true);
-      expect(fs.existsSync(path.join(sdkDir, 'bin'))).toBe(true);
-    }, 200000);
-
-    it('Downloads latest flutter release of 1.7 when using version 1.7 from dev channel', async () => {
-      await installer.getFlutter('1.7', 'dev');
-      const sdkDir = path.join(toolDir, 'flutter', '1.7.11-dev', 'x64');
-
-      expect(fs.existsSync(`${sdkDir}.complete`)).toBe(true);
-      expect(fs.existsSync(path.join(sdkDir, 'bin'))).toBe(true);
-    }, 200000);
-
-    it('Downloads latest flutter release of 1.7 when using version 1.7.x from dev channel', async () => {
-      await installer.getFlutter('1.7.x', 'dev');
-      const sdkDir = path.join(toolDir, 'flutter', '1.7.11-dev', 'x64');
-
-      expect(fs.existsSync(`${sdkDir}.complete`)).toBe(true);
-      expect(fs.existsSync(path.join(sdkDir, 'bin'))).toBe(true);
-    }, 200000);
-  });
+    await exec.exec(path.join(sdkDir, 'bin', 'flutter'), ['channel'], options);
+    expect(stdout).toContain('* master');
+  }, 300000);
 
   it('Throws if no location contains correct flutter version', async () => {
     let thrown = false;

__tests__/release.test.ts

@@ -0,0 +1,145 @@
+import fs = require('fs');
+import path = require('path');
+import nock = require('nock');
+import * as release from '../src/release';
+
+const platform = release.getPlatform();
+
+describe('release tests', () => {
+  it('getPlatform', () => {
+    const platformMap: {[index: string]: string} = {
+      linux: 'linux',
+      darwin: 'macos',
+      win32: 'windows'
+    };
+
+    expect(platform).toEqual(platformMap[process.platform]);
+  });
+
+  describe('determineVersion', () => {
+    beforeEach(() => {
+      const dataDir = path.join(__dirname, 'data');
+
+      nock('https://storage.googleapis.com', {allowUnmocked: true})
+        .get(`/flutter_infra_release/releases/releases_${platform}.json`)
+        .replyWithFile(200, path.join(dataDir, `releases_${platform}.json`));
+    });
+
+    afterEach(() => {
+      nock.cleanAll();
+      nock.enableNetConnect();
+    });
+
+    it('channel: "stable", version: ""', async () => {
+      const result = await release.determineVersion('', 'stable', platform);
+
+      expect(result.version).toEqual('2.0.5');
+      expect(result.rawVersion).toEqual('2.0.5');
+      expect(result.downloadUrl).toContain('2.0.5');
+    });
+
+    it('channel: "beta", version: ""', async () => {
+      const result = await release.determineVersion('', 'beta', platform);
+
+      expect(result.version).toEqual('2.2.0-10.1.pre');
+      expect(result.rawVersion).toEqual('2.2.0-10.1.pre');
+      expect(result.downloadUrl).toContain('2.2.0-10.1.pre');
+    });
+
+    it('channel: "dev", version: ""', async () => {
+      const result = await release.determineVersion('', 'dev', platform);
+
+      expect(result.version).toEqual('2.2.0-10.1.pre');
+      expect(result.rawVersion).toEqual('2.2.0-10.1.pre');
+      expect(result.downloadUrl).toContain('2.2.0-10.1.pre');
+    });
+
+    it('channel: "dev", version: "1.17.x"', async () => {
+      const result = await release.determineVersion('1.17.x', 'dev', platform);
+
+      expect(result.version).toEqual('1.17.0-dev.5.0');
+      expect(result.rawVersion).toEqual('1.17.0-dev.5.0');
+      expect(result.downloadUrl).toContain('1.17.0-dev.5.0');
+    });
+
+    it('channel: "dev", version: "1.17"', async () => {
+      const result = await release.determineVersion('1.17', 'dev', platform);
+
+      expect(result.version).toEqual('1.17.0-dev.5.0');
+      expect(result.rawVersion).toEqual('1.17.0-dev.5.0');
+      expect(result.downloadUrl).toContain('1.17.0-dev.5.0');
+    });
+
+    it('channel: "dev", version: "1.7.x" (old format)', async () => {
+      const result = await release.determineVersion('1.7.x', 'dev', platform);
+
+      expect(result.version).toEqual('1.7.11');
+      expect(result.rawVersion).toEqual('v1.7.11');
+      expect(result.downloadUrl).toContain('v1.7.11');
+    });
+
+    it('channel: "dev", version: "1.7" (old format)', async () => {
+      const result = await release.determineVersion('1.7', 'dev', platform);
+
+      expect(result.version).toEqual('1.7.11');
+      expect(result.rawVersion).toEqual('v1.7.11');
+      expect(result.downloadUrl).toContain('v1.7.11');
+    });
+
+    it('channel: "dev", version: "0.12.x" (unknown)', async () => {
+      try {
+        await release.determineVersion('0.12.x', 'dev', platform);
+      } catch (e) {
+        expect(e.message).toEqual('unable to find release for 0.12.x');
+      }
+    });
+
+    it('channel: "dev", version: "0.12" (unknown)', async () => {
+      try {
+        await release.determineVersion('0.12', 'dev', platform);
+      } catch (e) {
+        expect(e.message).toEqual('unable to find release for 0.12');
+      }
+    });
+
+    it('channel: "dev", version: "1.17.0-dev.5.0"', async () => {
+      const result = await release.determineVersion(
+        '1.17.0-dev.5.0',
+        'dev',
+        platform
+      );
+
+      expect(result.version).toEqual('1.17.0-dev.5.0');
+      expect(result.rawVersion).toEqual('1.17.0-dev.5.0');
+      expect(result.downloadUrl).toContain('1.17.0-dev.5.0');
+    });
+
+    it('channel: "any", version: "1.17.x"', async () => {
+      const result = await release.determineVersion('1.17.x', 'any', platform);
+
+      expect(result.version).toEqual('1.17.5');
+      expect(result.rawVersion).toEqual('1.17.5');
+      expect(result.downloadUrl).toContain('1.17.5');
+    });
+
+    it('channel: "any", version: "1.19.x"', async () => {
+      const result = await release.determineVersion('1.19.x', 'any', platform);
+
+      expect(result.version).toEqual('1.19.0-5.0.pre');
+      expect(result.rawVersion).toEqual('1.19.0-5.0.pre');
+      expect(result.downloadUrl).toContain('1.19.0-5.0.pre');
+    });
+
+    it('channel: "any", version: "1.19.0-4.x"', async () => {
+      const result = await release.determineVersion(
+        '1.19.0-4.x',
+        'any',
+        platform
+      );
+
+      expect(result.version).toEqual('1.19.0-4.3.pre');
+      expect(result.rawVersion).toEqual('1.19.0-4.3.pre');
+      expect(result.downloadUrl).toContain('1.19.0-4.3.pre');
+    });
+  });
+});

package.json

@@ -1,6 +1,6 @@
 {
   "name": "flutter-action",
-  "version": "1.2.0",
+  "version": "1.3.2",
   "private": true,
   "description": "Flutter environment for use in actions",
   "main": "lib/index.js",
@@ -25,27 +25,29 @@
   "author": "Alif Rachmawadi <arch@subosito.com>",
   "license": "MIT",
   "dependencies": {
-    "@actions/core": "^1.2.3",
-    "@actions/exec": "^1.0.3",
-    "@actions/http-client": "^1.0.6",
-    "@actions/io": "^1.0.2",
-    "@actions/tool-cache": "^1.3.1",
-    "semver": "^7.1.3",
-    "uuid": "^7.0.1"
+    "@actions/core": "^1.4.0",
+    "@actions/exec": "^1.1.0",
+    "@actions/http-client": "^1.0.11",
+    "@actions/io": "^1.1.1",
+    "@actions/tool-cache": "^1.7.1",
+    "semver": "^7.3.5",
+    "uuid": "^8.3.2"
   },
   "devDependencies": {
-    "@types/jest": "^25.1.3",
-    "@types/nock": "^10.0.3",
-    "@types/node": "^12.12.29",
-    "@types/semver": "^7.1.0",
-    "@types/uuid": "^7.0.0",
-    "@zeit/ncc": "^0.21.1",
-    "jest": "^25.1.0",
-    "jest-circus": "^25.1.0",
-    "nock": "^10.0.6",
+    "@types/jest": "^26.0.23",
+    "@types/node": "^14.17.3",
+    "@types/semver": "^7.3.6",
+    "@types/uuid": "^8.3.0",
+    "@vercel/ncc": "^0.28.6",
+    "jest": "^26.6.3",
+    "jest-circus": "^26.6.3",
+    "nock": "^13.1.0",
     "npm-run-all": "^4.1.5",
-    "prettier": "^1.19.1",
-    "ts-jest": "^25.2.1",
-    "typescript": "^3.8.3"
+    "prettier": "1.19.1",
+    "ts-jest": "^26.5.6",
+    "typescript": "^4.3.2"
+  },
+  "resolutions": {
+    "minimist": "^1.2.2"
   }
 }

src/index.ts

@@ -6,6 +6,14 @@ async function run() {
     const version = core.getInput('flutter-version') || '';
     const channel = core.getInput('channel') || 'stable';
 
+    if (channel == 'master' && version != '') {
+      core.setFailed(
+        'using `flutter-version` with master channel is not supported.'
+      );
+
+      return;
+    }
+
     await installer.getFlutter(version, channel);
   } catch (error) {
     core.setFailed(error.message);

src/installer.ts

@@ -1,211 +1,128 @@
 import * as core from '@actions/core';
 import * as io from '@actions/io';
+import * as exec from '@actions/exec';
 import * as tc from '@actions/tool-cache';
 import * as fs from 'fs';
 import * as path from 'path';
-import * as httpm from '@actions/http-client';
-import * as semver from 'semver';
-
-const IS_WINDOWS = process.platform === 'win32';
-const IS_DARWIN = process.platform === 'darwin';
-const IS_LINUX = process.platform === 'linux';
-
-const storageUrl = 'https://storage.googleapis.com/flutter_infra/releases';
-
-let tempDirectory = process.env['RUNNER_TEMP'] || '';
-
-if (!tempDirectory) {
-  let baseLocation;
-
-  if (IS_WINDOWS) {
-    baseLocation = process.env['USERPROFILE'] || 'C:\\';
-  } else {
-    if (process.platform === 'darwin') {
-      baseLocation = '/Users';
-    } else {
-      baseLocation = '/home';
-    }
-  }
-
-  tempDirectory = path.join(baseLocation, 'actions', 'temp');
-}
+import * as release from './release';
 
 export async function getFlutter(
   version: string,
   channel: string
 ): Promise<void> {
-  const versionPart = version.split('.');
+  const platform = release.getPlatform();
+  const useMaster = channel == 'master';
 
-  if (versionPart[1] == null || versionPart[2] == null) {
-    version = version.concat('.x');
+  const {
+    version: selected,
+    downloadUrl,
+    channel: validatedChannel
+  } = await release.determineVersion(
+    version,
+    useMaster ? 'dev' : channel,
+    platform
+  );
+
+  if (!useMaster && channel !== validatedChannel) {
+    core.debug(`Channel was identified as ${validatedChannel}`);
   }
 
-  version = await determineVersion(version, channel);
+  let cleanver = useMaster
+    ? channel
+    : `${selected.replace('+', '-')}-${validatedChannel}`;
 
-  let cleanver = `${version.replace('+', '-')}-${channel}`;
   let toolPath = tc.find('flutter', cleanver);
 
   if (toolPath) {
     core.debug(`Tool found in cache ${toolPath}`);
   } else {
-    core.debug('Downloading Flutter from Google storage');
+    core.debug(`Downloading Flutter from Google storage ${downloadUrl}`);
 
-    const downloadInfo = getDownloadInfo(version, channel);
-    const sdkFile = await tc.downloadTool(downloadInfo.url);
-
-    let tempDir: string = generateTempDir();
-    const sdkDir = await extractDownload(sdkFile, tempDir);
-    core.debug(`Flutter sdk extracted to ${sdkDir}`);
+    const sdkFile = await tc.downloadTool(downloadUrl);
+    const sdkCache = await tmpDir(platform);
+    const sdkDir = await extract(sdkFile, sdkCache, path.basename(downloadUrl));
 
     toolPath = await tc.cacheDir(sdkDir, 'flutter', cleanver);
   }
 
-  core.exportVariable('FLUTTER_HOME', toolPath);
+  core.exportVariable('FLUTTER_ROOT', toolPath);
+
+  let pubCachePath = process.env['PUB_CACHE'] || '';
+
+  if (!pubCachePath) {
+    pubCachePath = path.join(toolPath, '.pub-cache');
+    core.exportVariable('PUB_CACHE', pubCachePath);
+  }
+
   core.addPath(path.join(toolPath, 'bin'));
+  core.addPath(path.join(toolPath, 'bin', 'cache', 'dart-sdk', 'bin'));
+  core.addPath(path.join(pubCachePath, 'bin'));
+
+  if (useMaster) {
+    await exec.exec('flutter', ['channel', 'master']);
+    await exec.exec('flutter', ['upgrade']);
+  }
 }
 
-function osName(): string {
-  if (IS_DARWIN) return 'macos';
-  if (IS_WINDOWS) return 'windows';
+function tmpBaseDir(platform: string): string {
+  let tempDirectory = process.env['RUNNER_TEMP'] || '';
 
-  return process.platform;
+  if (tempDirectory) {
+    return tempDirectory;
+  }
+
+  let baseLocation;
+
+  switch (platform) {
+    case 'windows':
+      baseLocation = process.env['USERPROFILE'] || 'C:\\';
+      break;
+    case 'macos':
+      baseLocation = '/Users';
+      break;
+    default:
+      baseLocation = '/home';
+      break;
+  }
+
+  return path.join(baseLocation, 'actions', 'temp');
 }
 
-function extName(): string {
-  if (IS_LINUX) return 'tar.xz';
-
-  return 'zip';
-}
-
-function getDownloadInfo(
-  version: string,
-  channel: string
-): {version: string; url: string} {
-  const os = osName();
-  const ext = extName();
-  const url = `${storageUrl}/${channel}/${os}/flutter_${os}_v${version}-${channel}.${ext}`;
-
-  return {
-    version,
-    url
-  };
-}
-
-function generateTempDir(): string {
-  return path.join(
-    tempDirectory,
+async function tmpDir(platform: string): Promise<string> {
+  const baseDir = tmpBaseDir(platform);
+  const tempDir = path.join(
+    baseDir,
     'temp_' + Math.floor(Math.random() * 2000000000)
   );
+
+  await io.mkdirP(tempDir);
+  return tempDir;
 }
 
-async function extractDownload(
+async function extract(
   sdkFile: string,
-  destDir: string
+  sdkCache: string,
+  originalFilename: string
 ): Promise<string> {
-  await io.mkdirP(destDir);
+  const fileStats = fs.statSync(path.normalize(sdkFile));
 
-  const sdkPath = path.normalize(sdkFile);
-  const stats = fs.statSync(sdkPath);
+  if (fileStats.isFile()) {
+    const stats = fs.statSync(sdkFile);
 
-  if (stats.isFile()) {
-    await extractFile(sdkFile, destDir);
+    if (!stats) {
+      throw new Error(`Failed to extract ${sdkFile} - it doesn't exist`);
+    } else if (stats.isDirectory()) {
+      throw new Error(`Failed to extract ${sdkFile} - it is a directory`);
+    }
 
-    const sdkDir = path.join(destDir, fs.readdirSync(destDir)[0]);
+    if (originalFilename.endsWith('tar.xz')) {
+      await tc.extractTar(sdkFile, sdkCache, 'x');
+    } else {
+      await tc.extractZip(sdkFile, sdkCache);
+    }
 
-    return sdkDir;
+    return path.join(sdkCache, fs.readdirSync(sdkCache)[0]);
   } else {
     throw new Error(`Flutter sdk argument ${sdkFile} is not a file`);
   }
 }
-
-async function extractFile(file: string, destDir: string): Promise<void> {
-  const stats = fs.statSync(file);
-
-  if (!stats) {
-    throw new Error(`Failed to extract ${file} - it doesn't exist`);
-  } else if (stats.isDirectory()) {
-    throw new Error(`Failed to extract ${file} - it is a directory`);
-  }
-
-  if ('tar.xz' === extName()) {
-    await tc.extractTar(file, destDir, 'x');
-  } else {
-    await tc.extractZip(file, destDir);
-  }
-}
-
-async function determineVersion(
-  version: string,
-  channel: string
-): Promise<string> {
-  if (version.endsWith('.x') || version === '') {
-    return await getLatestVersion(version, channel);
-  }
-
-  return version;
-}
-
-interface IFlutterChannel {
-  [key: string]: string;
-  beta: string;
-  dev: string;
-  stable: string;
-}
-
-interface IFlutterRelease {
-  hash: string;
-  channel: string;
-  version: string;
-}
-
-interface IFlutterStorage {
-  current_release: IFlutterChannel;
-  releases: IFlutterRelease[];
-}
-
-async function getLatestVersion(
-  version: string,
-  channel: string
-): Promise<string> {
-  const releasesUrl: string = `${storageUrl}/releases_${osName()}.json`;
-  const http: httpm.HttpClient = new httpm.HttpClient('flutter-action');
-  const storage: IFlutterStorage | null = (
-    await http.getJson<IFlutterStorage | null>(releasesUrl)
-  ).result;
-
-  if (!storage) {
-    throw new Error('unable to get latest version');
-  }
-
-  if (version.endsWith('.x')) {
-    const sver = version.slice(0, version.length - 2);
-    const releases = storage.releases.filter(
-      release =>
-        release.version.startsWith(`v${sver}`) && release.channel === channel
-    );
-    const versions = releases.map(release =>
-      release.version.slice(1, release.version.length)
-    );
-    const sortedVersions = versions.sort(semver.rcompare);
-
-    core.debug(
-      `latest version of ${version} from channel ${channel} is ${sortedVersions[0]}`
-    );
-
-    return sortedVersions[0];
-  }
-
-  const channelVersion = storage.releases.find(
-    release => release.hash === storage.current_release[channel]
-  );
-
-  if (!channelVersion) {
-    throw new Error(`unable to get latest version from channel ${channel}`);
-  }
-
-  let cver = channelVersion.version;
-  cver = cver.slice(1, cver.length);
-
-  core.debug(`latest version from channel ${channel} is ${cver}`);
-  return cver;
-}

src/release.ts

@@ -0,0 +1,199 @@
+import * as core from '@actions/core';
+import * as httpm from '@actions/http-client';
+import * as semver from 'semver';
+
+export const storageUrl =
+  'https://storage.googleapis.com/flutter_infra_release/releases';
+
+interface IFlutterData {
+  channel: string;
+  version: string;
+  rawVersion: string;
+  downloadUrl: string;
+}
+
+interface IFlutterChannel {
+  [key: string]: string;
+  beta: string;
+  dev: string;
+  stable: string;
+}
+
+interface IFlutterRelease {
+  hash: string;
+  channel: string;
+  version: string;
+  archive: string;
+}
+
+interface IFlutterStorage {
+  current_release: IFlutterChannel;
+  releases: IFlutterRelease[];
+}
+
+export function getPlatform(): string {
+  const platform = process.platform;
+
+  if (platform == 'win32') {
+    return 'windows';
+  }
+
+  if (platform == 'darwin') {
+    return 'macos';
+  }
+
+  return platform;
+}
+
+export async function determineVersion(
+  version: string,
+  channel: string,
+  platform: string
+): Promise<IFlutterData> {
+  const storage = await getReleases(platform);
+
+  if (version === '') {
+    return getLatestVersion(storage, channel);
+  }
+
+  if (version.endsWith('.x')) {
+    return getWildcardVersion(storage, channel, version);
+  }
+
+  return getVersion(storage, channel, version);
+}
+
+async function getReleases(platform: string): Promise<IFlutterStorage> {
+  const releasesUrl: string = `${storageUrl}/releases_${platform}.json`;
+  const http: httpm.HttpClient = new httpm.HttpClient('flutter-action');
+  const storage: IFlutterStorage | null = (
+    await http.getJson<IFlutterStorage | null>(releasesUrl)
+  ).result;
+
+  if (!storage) {
+    throw new Error('unable to get flutter releases');
+  }
+
+  return storage;
+}
+
+async function getLatestVersion(
+  storage: IFlutterStorage,
+  channel: string
+): Promise<IFlutterData> {
+  const channelVersion = storage.releases.find(release => {
+    return (
+      release.hash === storage.current_release[channel] &&
+      validateChannel(release.channel, channel)
+    );
+  });
+
+  if (!channelVersion) {
+    throw new Error(`unable to get latest version from channel ${channel}`);
+  }
+
+  let rver = channelVersion.version;
+  let cver = rver.startsWith('v') ? rver.slice(1, rver.length) : rver;
+
+  core.debug(`latest version from channel ${channel} is ${rver}`);
+
+  const flutterData: IFlutterData = {
+    channel: channelVersion.channel,
+    version: cver,
+    rawVersion: rver,
+    downloadUrl: `${storageUrl}/${channelVersion.archive}`
+  };
+
+  return flutterData;
+}
+
+function validateChannel(releaseChannel: string, channel: string) {
+  return releaseChannel === channel || channel === 'any';
+}
+
+async function getWildcardVersion(
+  storage: IFlutterStorage,
+  channel: string,
+  version: string
+): Promise<IFlutterData> {
+  let sver = version.endsWith('.x')
+    ? version.slice(0, version.length - 2)
+    : version;
+
+  const releases = storage.releases.filter(release => {
+    return (
+      validateChannel(release.channel, channel) &&
+      prefixCompare(sver, release.version)
+    );
+  });
+
+  const versions = releases
+    .map(release => release.version)
+    .map(version =>
+      version.startsWith('v') ? version.slice(1, version.length) : version
+    );
+
+  const sortedVersions = versions.sort(semver.rcompare);
+
+  let cver = sortedVersions[0];
+  let release = releases.find(release => compare(cver, release.version));
+
+  if (!release) {
+    throw new Error(`unable to find release for ${version}`);
+  }
+
+  core.debug(
+    `latest version of ${version} from channel ${channel} is ${release.version}`
+  );
+
+  const flutterData = {
+    channel: release.channel,
+    version: cver,
+    rawVersion: release.version,
+    downloadUrl: `${storageUrl}/${release.archive}`
+  };
+
+  return flutterData;
+}
+
+async function getVersion(
+  storage: IFlutterStorage,
+  channel: string,
+  version: string
+): Promise<IFlutterData> {
+  const release = storage.releases.find(release => {
+    return (
+      validateChannel(release.channel, channel) &&
+      compare(version, release.version)
+    );
+  });
+
+  if (!release) {
+    return getWildcardVersion(storage, channel, version);
+  }
+
+  const flutterData = {
+    channel: release.channel,
+    version,
+    rawVersion: release.version,
+    downloadUrl: `${storageUrl}/${release.archive}`
+  };
+
+  return flutterData;
+}
+
+function compare(version: string, releaseVersion: string): boolean {
+  if (releaseVersion.startsWith('v')) {
+    return releaseVersion === `v${version}`;
+  }
+
+  return releaseVersion === version;
+}
+
+function prefixCompare(version: string, releaseVersion: string): boolean {
+  if (releaseVersion.startsWith('v')) {
+    return releaseVersion.startsWith(`v${version}`);
+  }
+
+  return releaseVersion.startsWith(version);
+}