Add components support as an input

.github/workflows/integration.yml

@@ -2,8 +2,7 @@ name: Integration
 on:
   push: {}
   schedule:
-    cron: '0 0 * * *'
-
+    - cron: '0 0 * * *'
 jobs:
   test:
     runs-on: ${{ matrix.os }}
@@ -11,11 +10,21 @@ jobs:
       matrix:
         os: [ubuntu-latest, windows-latest, macOS-latest]
         rust: [stable, nightly]
+        include:
+          - os: macOS-latest
+            rust: 'stable'
+            components: 'rustfmt, clippy'
     steps:
     - uses: hecrj/setup-rust-action@master
       with:
         rust-version: ${{ matrix.rust }}
+        components: ${{ matrix.components || '' }}
     - name: Check Cargo availability
       run: cargo --version
     - name: Check Rustup default toolchain
       run: rustup default | grep '${{ matrix.rust }}'
+    - name: Check rustfmt and clippy are available on MacOS
+      if: matrix.os == 'macOS-latest' && matrix.rust == 'stable'
+      run: |
+        cargo fmt --version
+        cargo clippy --version

action.yml

@@ -5,6 +5,9 @@ inputs:
   rust-version:
     description: 'The toolchain name, such as stable, nightly, or 1.8.0'
     default: 'stable'
+  components:
+    description: 'The toolchain components to install, comma-separated'
+    default: ''
 runs:
   using: 'node12'
   main: 'lib/main.js'

lib/main.js

@@ -22,10 +22,17 @@ function run() {
     return __awaiter(this, void 0, void 0, function* () {
         try {
             const version = core.getInput('rust-version');
+            const components = core.getInput('components')
+                .split(',')
+                .map((component) => component.trim())
+                .filter((component) => component.length > 0);
             if (version) {
-                yield rustup.install(version);
+                yield rustup.install();
                 yield exec.exec('rustup', ['default', version]);
                 yield exec.exec('rustup', ['update', version]);
+                for (let component of components) {
+                    yield exec.exec('rustup', ['component', 'add', component]);
+                }
             }
         }
         catch (error) {

lib/rustup.js

@@ -22,29 +22,22 @@ const path = __importStar(require("path"));
 const os = __importStar(require("os"));
 const fs_1 = require("fs");
 let tempDirectory = process.env['RUNNER_TEMPDIRECTORY'] || '';
-function install(version) {
+function install() {
     return __awaiter(this, void 0, void 0, function* () {
+        // `rustup` is already installed on Linux and Windows platforms
         if (os.platform() == 'darwin') {
-            let toolPath = yield acquireRust(version);
-            core.debug('Rust toolchain is cached under ' + toolPath);
+            let toolPath = yield installOnUnix();
+            core.debug('rustup is located under: ' + toolPath);
             core.addPath(path.join(toolPath, 'bin'));
         }
     });
 }
 exports.install = install;
-function acquireRust(version) {
+function installOnUnix() {
     return __awaiter(this, void 0, void 0, function* () {
-        let script;
-        try {
-            script = yield toolCache.downloadTool("https://sh.rustup.rs");
-        }
-        catch (error) {
-            core.debug(error);
-            throw `Failed to download rustup: ${error}`;
-        }
+        let script = yield toolCache.downloadTool("https://sh.rustup.rs");
         fs_1.chmodSync(script, '777');
         yield exec.exec(`"${script}"`, ['-y', '--default-toolchain', 'none']);
-        let cargo = path.join(process.env['HOME'] || '', '.cargo');
-        return yield toolCache.cacheDir(cargo, 'rust', version);
+        return path.join(process.env['HOME'] || '', '.cargo');
     });
 }

src/main.ts

@@ -6,11 +6,19 @@ import * as os from 'os';
 async function run() {
   try {
     const version = core.getInput('rust-version');
+    const components = core.getInput('components')
+      .split(',')
+      .map((component) => component.trim())
+      .filter((component) => component.length > 0);
 
     if(version) {
       await rustup.install();
       await exec.exec('rustup', ['default', version]);
       await exec.exec('rustup', ['update', version]);
+
+      for(let component of components) {
+        await exec.exec('rustup', ['component', 'add', component]);
+      }
     }
   } catch (error) {
     core.setFailed(error.message);