feat: Output version

README.md

@@ -29,7 +29,10 @@ steps:
   - uses: browser-actions/setup-chrome@v1
     with:
       chrome-version: beta
-  - run: chrome --version
+    id: setup-chrome
+  - run: |
+      echo Installed chromium version: ${{ steps.setup-chrome.outputs.chrome-version }}
+      chrome --version
 ```
 
 **Note that the installed binary depends on your installation spec.**

action.yml

@@ -7,7 +7,9 @@ inputs:
       The Google Chrome/Chromium version to install and use.
     default: latest
     required: false
-
+outputs:
+  chrome-version:
+    description: 'The installed Google Chrome/Chromium version. Useful when given a latest version.'
 runs:
   using: 'node16'
   main: 'index.js'

package.json

@@ -4,7 +4,8 @@
   "description": "Set up your GitHub Actions workflow with a specific version of chromium",
   "main": "dist/index.js",
   "dependencies": {
-    "@actions/core": "^1.9.1",
+    "@actions/core": "^1.10.0",
+    "@actions/exec": "^1.1.1",
     "@actions/io": "^1.1.2",
     "@actions/tool-cache": "^1.7.1"
   },

src/index.ts

@@ -1,14 +1,48 @@
 import * as core from "@actions/core";
 import * as exec from "@actions/exec";
-import * as io from "@actions/io";
 import * as installer from "./installer";
-import { getPlatform, OS } from "./platform";
+import { getPlatform, Platform, OS } from "./platform";
 import path from "path";
 
 const hasErrorMessage = (e: unknown): e is { message: string | Error } => {
   return typeof e === "object" && e !== null && "message" in e;
 };
 
+const testVersion = async (
+  platform: Platform,
+  bin: string
+): Promise<string> => {
+  if (platform.os === OS.WINDOWS) {
+    const output = await exec.getExecOutput(`powershell`, [
+      "-Command",
+      `(Get-Item (Get-Command '${bin}').Source).VersionInfo.ProductVersion`,
+    ]);
+    if (output.exitCode !== 0) {
+      throw new Error(
+        `shell exits with status ${output.exitCode}: ${output.stderr}`
+      );
+    }
+    return output.stdout.trimStart().trimEnd();
+  }
+
+  const output = await exec.getExecOutput(`"${bin}"`, ["--version"], {});
+  if (output.exitCode !== 0) {
+    throw new Error(
+      `chromium exits with status ${output.exitCode}: ${output.stderr}`
+    );
+  }
+  if (
+    !output.stdout.startsWith("Chromium ") &&
+    !output.stdout.startsWith("Google Chrome ")
+  ) {
+    throw new Error(`chromium outputs unexpected results: ${output.stdout}`);
+  }
+  return output.stdout
+    .replace("Chromium ", "")
+    .replace("Google Chrome ", "")
+    .split(" ", 1)[0];
+};
+
 async function run(): Promise<void> {
   try {
     const version = core.getInput("chrome-version") || "latest";
@@ -18,17 +52,14 @@ async function run(): Promise<void> {
 
     const binPath = await installer.install(platform, version);
     const installDir = path.dirname(binPath);
-    const binName = path.basename(binPath);
 
     core.addPath(path.join(installDir));
-    core.info(`Successfully setup chromium version ${version}`);
 
-    if (platform.os === OS.WINDOWS) {
-      // Unable to run with command-line option on windows
-      await io.which("chrome", true);
-    } else if (platform.os === OS.DARWIN || platform.os === OS.LINUX) {
-      await exec.exec(binName, ["--version"]);
-    }
+    const actualVersion = await testVersion(platform, binPath);
+
+    core.info(`Successfully setup chromium version ${actualVersion}`);
+
+    core.setOutput("chrome-version", actualVersion);
   } catch (error) {
     if (hasErrorMessage(error)) {
       core.setFailed(error.message);

yarn.lock

@@ -2,7 +2,15 @@
 # yarn lockfile v1
 
 
-"@actions/core@^1.2.6", "@actions/core@^1.9.1":
+"@actions/core@^1.10.0":
+  version "1.10.0"
+  resolved "https://registry.yarnpkg.com/@actions/core/-/core-1.10.0.tgz#44551c3c71163949a2f06e94d9ca2157a0cfac4f"
+  integrity sha512-2aZDDa3zrrZbP5ZYg159sNoLRb61nQ7awl5pSvIq5Qpj81vwDzdMRKzkWJGJuwVvWpvZKx7vspJALyvaaIQyug==
+  dependencies:
+    "@actions/http-client" "^2.0.1"
+    uuid "^8.3.2"
+
+"@actions/core@^1.2.6":
   version "1.9.1"
   resolved "https://registry.yarnpkg.com/@actions/core/-/core-1.9.1.tgz#97c0201b1f9856df4f7c3a375cdcdb0c2a2f750b"
   integrity sha512-5ad+U2YGrmmiw6du20AQW5XuWo7UKN2052FjSV7MX+Wfjf8sCqcsZe62NfgHys4QI4/Y+vQvLKYL8jWtA1ZBTA==
@@ -17,6 +25,13 @@
   dependencies:
     "@actions/io" "^1.0.1"
 
+"@actions/exec@^1.1.1":
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/@actions/exec/-/exec-1.1.1.tgz#2e43f28c54022537172819a7cf886c844221a611"
+  integrity sha512-+sCcHHbVdk93a0XT19ECtO/gIXoxvdsgQLzb2fE2/5sIZmWQuluYyjPQtrtTHdU1YzTZ7bAPN4sITq2xi1679w==
+  dependencies:
+    "@actions/io" "^1.0.1"
+
 "@actions/http-client@^1.0.8":
   version "1.0.9"
   resolved "https://registry.yarnpkg.com/@actions/http-client/-/http-client-1.0.9.tgz#af1947d020043dbc6a3b4c5918892095c30ffb52"