Use context for inputs

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

README.md

@@ -13,6 +13,7 @@ ___
 * [Usage](#usage)
 * [Customizing](#customizing)
   * [inputs](#inputs)
+  * [outputs](#outputs)
 * [Contributing](#contributing)
 
 ## Usage

src/context.ts

@@ -0,0 +1,19 @@
+import * as core from '@actions/core';
+import {issueCommand} from '@actions/core/lib/command';
+
+export interface Inputs {
+  image: string;
+  platforms: string;
+}
+
+export function getInputs(): Inputs {
+  return {
+    image: core.getInput('image') || 'tonistiigi/binfmt:latest',
+    platforms: core.getInput('platforms') || 'all'
+  };
+}
+
+// FIXME: Temp fix https://github.com/actions/toolkit/issues/777
+export function setOutput(name: string, value: unknown): void {
+  issueCommand('set-output', {name}, value);
+}

src/main.ts

@@ -1,6 +1,6 @@
+import * as context from './context';
 import * as core from '@actions/core';
 import * as exec from '@actions/exec';
-import {issueCommand} from '@actions/core/lib/command';
 
 interface Platforms {
   supported: string[];
@@ -9,29 +9,32 @@ interface Platforms {
 
 async function run(): Promise<void> {
   try {
-    core.startGroup(`Docker info`);
+    const input: context.Inputs = context.getInputs();
-    await exec.exec('docker', ['version']);
-    await exec.exec('docker', ['info']);
-    core.endGroup();
 
-    const image: string = core.getInput('image') || 'tonistiigi/binfmt:latest';
+    await core.group(`Docker info`, async () => {
-    const platforms: string = core.getInput('platforms') || 'all';
+      await exec.exec('docker', ['version'], {
+        failOnStdErr: false
+      });
+      await exec.exec('docker', ['info'], {
+        failOnStdErr: false
+      });
+    });
 
-    core.startGroup(`Pulling binfmt Docker image`);
+    await core.group(`Pulling binfmt Docker image`, async () => {
-    await exec.exec('docker', ['pull', image]);
+      await exec.exec('docker', ['pull', input.image]);
-    core.endGroup();
+    });
 
-    core.startGroup(`Image info`);
+    await core.group(`Image info`, async () => {
-    await exec.exec('docker', ['image', 'inspect', image]);
+      await exec.exec('docker', ['image', 'inspect', input.image]);
-    core.endGroup();
+    });
 
-    core.startGroup(`Installing QEMU static binaries`);
+    await core.group(`Installing QEMU static binaries`, async () => {
-    await exec.exec('docker', ['run', '--rm', '--privileged', image, '--install', platforms]);
+      await exec.exec('docker', ['run', '--rm', '--privileged', input.image, '--install', input.platforms]);
-    core.endGroup();
+    });
 
-    core.startGroup(`Extracting available platforms`);
+    await core.group(`Extracting available platforms`, async () => {
       await exec
-      .getExecOutput('docker', ['run', '--rm', '--privileged', image], {
+        .getExecOutput('docker', ['run', '--rm', '--privileged', input.image], {
           ignoreReturnCode: true,
           silent: true
         })
@@ -41,17 +44,12 @@ async function run(): Promise<void> {
           }
           const platforms: Platforms = JSON.parse(res.stdout.trim());
           core.info(`${platforms.supported.join(',')}`);
-        setOutput('platforms', platforms.supported.join(','));
+          context.setOutput('platforms', platforms.supported.join(','));
+        });
     });
-    core.endGroup();
   } catch (error) {
     core.setFailed(error.message);
   }
 }
 
-// FIXME: Temp fix https://github.com/actions/toolkit/issues/777
-function setOutput(name: string, value: unknown): void {
-  issueCommand('set-output', {name}, value);
-}
-
 run();