Clean up in general

.github/workflows/integration.yml

@@ -1,4 +1,4 @@
-name: Integration test
+name: Integration
 on: [push]
 
 jobs:
@@ -7,7 +7,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macOS-latest]
-        rust: [stable, beta, nightly]
+        rust: [stable, nightly]
     steps:
     - uses: hecrj/setup-rust-action@master
       with:

README.md

@@ -1,6 +1,6 @@
 # setup-rust-action
 
-[![Integration test status](https://github.com/hecrj/setup-rust-action/workflows/Integration%20test/badge.svg)](https://github.com/hecrj/setup-rust-action/actions)
+[![Integration status](https://github.com/hecrj/setup-rust-action/workflows/Integration/badge.svg)](https://github.com/hecrj/setup-rust-action/actions)
 
 Sets up a specific Rust toolchain for use in your GitHub Actions workflows.
 
@@ -12,7 +12,7 @@ You can combine it with `matrix` to test different Rust toolchains in different
 platforms!
 
 ```yml
-name: Test
+name: Test Rust project
 on: [push]
 jobs:
   test:

src/main.ts

@@ -8,7 +8,7 @@ async function run() {
     const version = core.getInput('rust-version');
 
     if(version) {
-      await rustup.install(version);
+      await rustup.install();
       await exec.exec('rustup', ['default', version]);
       await exec.exec('rustup', ['update', version]);
     }

src/rustup.ts

@@ -8,30 +8,21 @@ import {chmodSync} from 'fs';
 
 let tempDirectory = process.env['RUNNER_TEMPDIRECTORY'] || '';
 
-export async function install(version: string) {
+export async function install() {
+  // `rustup` is already installed in
   if (os.platform() == 'darwin') {
-    let toolPath = await acquireRust(version);
-
-    core.debug('Rust toolchain is cached under ' + toolPath);
+    let toolPath = await installOnUnix();
 
+    core.debug('rustup is located under: ' + toolPath);
     core.addPath(path.join(toolPath, 'bin'));
   }
 }
 
-async function acquireRust(version: string): Promise<string> {
-  let script: string;
-
-  try {
-    script = await toolCache.downloadTool("https://sh.rustup.rs");
-  } catch (error) {
-    core.debug(error);
-    throw `Failed to download rustup: ${error}`;
-  }
+async function installOnUnix(): Promise<string> {
+  let script = await toolCache.downloadTool("https://sh.rustup.rs");
 
   chmodSync(script, '777');
   await exec.exec(`"${script}"`, ['-y', '--default-toolchain', 'none']);
 
-  let cargo = path.join(process.env['HOME'] || '', '.cargo');
-
-  return await toolCache.cacheDir(cargo, 'rust', version);
+  return path.join(process.env['HOME'] || '', '.cargo');
 }