fix(core): update

ts/manager.docker/mod.classes.dockerregistry.ts

@@ -0,0 +1,48 @@
+import { logger } from '../npmci.logging';
+import * as plugins from './mod.plugins';
+import { bash } from '../npmci.bash';
+
+export interface IDockerRegistryConstructorOptions {
+  registryUrl: string;
+  username: string;
+  password: string;
+}
+
+export class DockerRegistry {
+  public registryUrl: string;
+  public username: string;
+  public password: string;
+  constructor(optionsArg: IDockerRegistryConstructorOptions) {
+    this.registryUrl = optionsArg.registryUrl;
+    this.username = optionsArg.username;
+    this.password = optionsArg.password;
+    logger.log('info', `created DockerRegistry for ${this.registryUrl}`);
+  }
+
+  public static fromEnvString(envString: string): DockerRegistry {
+    const dockerRegexResultArray = envString.split('|');
+    if (dockerRegexResultArray.length !== 3) {
+      logger.log('error', 'malformed docker env var...');
+      process.exit(1);
+      return;
+    }
+    const registryUrl = dockerRegexResultArray[0];
+    const username = dockerRegexResultArray[1];
+    const password = dockerRegexResultArray[2];
+    return new DockerRegistry({
+      registryUrl: registryUrl,
+      username: username,
+      password: password
+    });
+  }
+
+  public async login() {
+    if (this.registryUrl === 'docker.io') {
+      await bash(`docker login -u ${this.username} -p ${this.password}`);
+      logger.log('info', 'Logged in to standard docker hub');
+    } else {
+      await bash(`docker login -u ${this.username} -p ${this.password} ${this.registryUrl}`);
+    }
+    logger.log('ok', `docker authenticated for ${this.registryUrl}!`);
+  }
+}