move docker under dedicated folder

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

src/docker/docker.ts

@@ -0,0 +1,64 @@
+/**
+ * Copyright 2023 actions-toolkit authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import os from 'os';
+import path from 'path';
+import * as core from '@actions/core';
+import * as io from '@actions/io';
+import {Exec} from '../exec';
+
+export class Docker {
+  static get configDir(): string {
+    return process.env.DOCKER_CONFIG || path.join(os.homedir(), '.docker');
+  }
+
+  public static async isAvailable(): Promise<boolean> {
+    return await io
+      .which('docker', true)
+      .then(res => {
+        core.debug(`Docker.isAvailable ok: ${res}`);
+        return true;
+      })
+      .catch(error => {
+        core.debug(`Docker.isAvailable error: ${error}`);
+        return false;
+      });
+  }
+
+  public static async context(name?: string): Promise<string> {
+    const args = ['context', 'inspect', '--format', '{{.Name}}'];
+    if (name) {
+      args.push(name);
+    }
+    return await Exec.getExecOutput(`docker`, args, {
+      ignoreReturnCode: true,
+      silent: true
+    }).then(res => {
+      if (res.stderr.length > 0 && res.exitCode != 0) {
+        throw new Error(res.stderr);
+      }
+      return res.stdout.trim();
+    });
+  }
+
+  public static async printVersion(): Promise<void> {
+    await Exec.exec('docker', ['version']);
+  }
+
+  public static async printInfo(): Promise<void> {
+    await Exec.exec('docker', ['info']);
+  }
+}