Use built-in `getExecOutput`

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

__tests__/buildx.test.ts

@@ -1,18 +1,40 @@
 import fs = require('fs');
-import * as docker from '../src/docker';
 import * as buildx from '../src/buildx';
 import * as path from 'path';
 import * as os from 'os';
 import * as semver from 'semver';
 import * as exec from '@actions/exec';
 
+describe('isAvailable', () => {
+  const execSpy: jest.SpyInstance = jest.spyOn(exec, 'getExecOutput');
+  buildx.isAvailable();
+
+  expect(execSpy).toHaveBeenCalledWith(`docker`, ['buildx'], {
+    silent: true,
+    ignoreReturnCode: true
+  });
+});
+
 describe('getVersion', () => {
-  it('valid', async () => {
+  async function isDaemonRunning() {
-    await exec.exec('docker', ['buildx', 'version']);
+    return await exec
+      .getExecOutput(`docker`, ['version', '--format', '{{.Server.Os}}'], {
+        ignoreReturnCode: true,
+        silent: true
+      })
+      .then(res => {
+        return !res.stdout.includes(' ') && res.exitCode == 0;
+      });
+  }
+  (isDaemonRunning() ? it : it.skip)(
+    'valid',
+    async () => {
       const version = await buildx.getVersion();
       console.log(`version: ${version}`);
       expect(semver.valid(version)).not.toBeNull();
-  }, 100000);
+    },
+    100000
+  );
 });
 
 describe('parseVersion', () => {
@@ -27,7 +49,14 @@ describe('parseVersion', () => {
 
 describe('inspect', () => {
   async function isDaemonRunning() {
-    return await docker.isDaemonRunning();
+    return await exec
+      .getExecOutput(`docker`, ['version', '--format', '{{.Server.Os}}'], {
+        ignoreReturnCode: true,
+        silent: true
+      })
+      .then(res => {
+        return !res.stdout.includes(' ') && res.exitCode == 0;
+      });
   }
   (isDaemonRunning() ? it : it.skip)(
     'valid',

src/buildx.ts

@@ -3,9 +3,9 @@ import * as path from 'path';
 import * as semver from 'semver';
 import * as util from 'util';
 import * as context from './context';
-import * as exec from './exec';
 import * as github from './github';
 import * as core from '@actions/core';
+import * as exec from '@actions/exec';
 import * as tc from '@actions/tool-cache';
 
 export type Builder = {
@@ -18,10 +18,29 @@ export type Builder = {
   node_platforms?: string;
 };
 
+export async function isAvailable(): Promise<Boolean> {
+  return await exec
+    .getExecOutput('docker', ['buildx'], {
+      ignoreReturnCode: true,
+      silent: true
+    })
+    .then(res => {
+      if (res.stderr.length > 0 && res.exitCode != 0) {
+        return false;
+      }
+      return res.exitCode == 0;
+    });
+}
+
 export async function getVersion(): Promise<string> {
-  return await exec.exec(`docker`, ['buildx', 'version'], true).then(res => {
+  return await exec
-    if (res.stderr.length > 0 && !res.success) {
+    .getExecOutput('docker', ['buildx', 'version'], {
-      throw new Error(res.stderr);
+      ignoreReturnCode: true,
+      silent: true
+    })
+    .then(res => {
+      if (res.stderr.length > 0 && res.exitCode != 0) {
+        throw new Error(res.stderr.trim());
       }
       return parseVersion(res.stdout);
     });
@@ -30,24 +49,20 @@ export async function getVersion(): Promise<string> {
 export async function parseVersion(stdout: string): Promise<string> {
   const matches = /\sv?([0-9.]+)/.exec(stdout);
   if (!matches) {
-    throw new Error(`Cannot parse Buildx version`);
+    throw new Error(`Cannot parse buildx version`);
   }
   return semver.clean(matches[1]);
 }
 
-export async function isAvailable(): Promise<Boolean> {
-  return await exec.exec(`docker`, ['buildx'], true).then(res => {
-    if (res.stderr.length > 0 && !res.success) {
-      return false;
-    }
-    return res.success;
-  });
-}
-
 export async function inspect(name: string): Promise<Builder> {
-  return await exec.exec(`docker`, ['buildx', 'inspect', name], true).then(res => {
+  return await exec
-    if (res.stderr.length > 0 && !res.success) {
+    .getExecOutput(`docker`, ['buildx', 'inspect', name], {
-      throw new Error(res.stderr);
+      ignoreReturnCode: true,
+      silent: true
+    })
+    .then(res => {
+      if (res.stderr.length > 0 && res.exitCode != 0) {
+        throw new Error(res.stderr.trim());
       }
       const builder: Builder = {};
       itlines: for (const line of res.stdout.trim().split(`\n`)) {
@@ -173,18 +188,28 @@ async function filename(version: string): Promise<string> {
 }
 
 export async function getBuildKitVersion(containerID: string): Promise<string> {
-  return exec.exec(`docker`, ['inspect', '--format', '{{.Config.Image}}', containerID], true).then(bkitimage => {
+  return exec
-    if (bkitimage.success && bkitimage.stdout.length > 0) {
+    .getExecOutput(`docker`, ['inspect', '--format', '{{.Config.Image}}', containerID], {
-      return exec.exec(`docker`, ['run', '--rm', bkitimage.stdout, '--version'], true).then(bkitversion => {
+      ignoreReturnCode: true,
-        if (bkitversion.success && bkitversion.stdout.length > 0) {
+      silent: true
+    })
+    .then(bkitimage => {
+      if (bkitimage.exitCode == 0 && bkitimage.stdout.length > 0) {
+        return exec
+          .getExecOutput(`docker`, ['run', '--rm', bkitimage.stdout, '--version'], {
+            ignoreReturnCode: true,
+            silent: true
+          })
+          .then(bkitversion => {
+            if (bkitversion.exitCode == 0 && bkitversion.stdout.length > 0) {
               return `${bkitimage.stdout} => ${bkitversion.stdout}`;
             } else if (bkitversion.stderr.length > 0) {
-          core.warning(bkitversion.stderr);
+              core.warning(bkitversion.stderr.trim());
             }
             return bkitversion.stdout;
           });
       } else if (bkitimage.stderr.length > 0) {
-      core.warning(bkitimage.stderr);
+        core.warning(bkitimage.stderr.trim());
       }
       return bkitimage.stdout;
     });

src/docker.ts

@@ -1,7 +0,0 @@
-import * as exec from './exec';
-
-export async function isDaemonRunning(): Promise<boolean> {
-  return await exec.exec(`docker`, ['version', '--format', '{{.Server.Os}}'], true).then(res => {
-    return !res.stdout.includes(' ') && res.success;
-  });
-}

src/exec.ts

@@ -1,34 +0,0 @@
-import * as aexec from '@actions/exec';
-import {ExecOptions} from '@actions/exec';
-
-export interface ExecResult {
-  success: boolean;
-  stdout: string;
-  stderr: string;
-}
-
-export const exec = async (command: string, args: string[] = [], silent: boolean): Promise<ExecResult> => {
-  let stdout: string = '';
-  let stderr: string = '';
-
-  const options: ExecOptions = {
-    silent: silent,
-    ignoreReturnCode: true
-  };
-  options.listeners = {
-    stdout: (data: Buffer) => {
-      stdout += data.toString();
-    },
-    stderr: (data: Buffer) => {
-      stderr += data.toString();
-    }
-  };
-
-  const returnCode: number = await aexec.exec(command, args, options);
-
-  return {
-    success: returnCode === 0,
-    stdout: stdout.trim(),
-    stderr: stderr.trim()
-  };
-};

src/main.ts

@@ -1,12 +1,11 @@
-import * as core from '@actions/core';
-import * as exec from '@actions/exec';
 import * as os from 'os';
 import * as path from 'path';
 import * as semver from 'semver';
 import * as buildx from './buildx';
 import * as context from './context';
-import * as mexec from './exec';
 import * as stateHelper from './state-helper';
+import * as core from '@actions/core';
+import * as exec from '@actions/exec';
 
 async function run(): Promise<void> {
   try {
@@ -94,9 +93,13 @@ async function run(): Promise<void> {
 async function cleanup(): Promise<void> {
   if (stateHelper.IsDebug && stateHelper.containerName.length > 0) {
     core.startGroup(`BuildKit container logs`);
-    await mexec.exec('docker', ['logs', `${stateHelper.containerName}`], false).then(res => {
+    await exec
-      if (res.stderr.length > 0 && !res.success) {
+      .getExecOutput('docker', ['logs', `${stateHelper.containerName}`], {
-        core.warning(res.stderr);
+        ignoreReturnCode: true
+      })
+      .then(res => {
+        if (res.stderr.length > 0 && res.exitCode != 0) {
+          core.warning(res.stderr.trim());
         }
       });
     core.endGroup();
@@ -104,9 +107,13 @@ async function cleanup(): Promise<void> {
 
   if (stateHelper.builderName.length > 0) {
     core.startGroup(`Removing builder`);
-    await mexec.exec('docker', ['buildx', 'rm', `${stateHelper.builderName}`], false).then(res => {
+    await exec
-      if (res.stderr.length > 0 && !res.success) {
+      .getExecOutput('docker', ['buildx', 'rm', `${stateHelper.builderName}`], {
-        core.warning(res.stderr);
+        ignoreReturnCode: true
+      })
+      .then(res => {
+        if (res.stderr.length > 0 && res.exitCode != 0) {
+          core.warning(res.stderr.trim());
         }
       });
     core.endGroup();