lib: implement git node sync

joyeecheung · joyeecheung · commit ecae0ca83b68 · 2019-01-19T01:36:28.000+08:00
diff --git a/components/git/sync.js b/components/git/sync.js
@@ -0,0 +1,29 @@
+'use strict';
+
+const CLI = require('../../lib/cli');
+const { runPromise } = require('../../lib/run');
+const SyncSession = require('../../lib/sync_session');
+
+function builder(yargs) {
+  return yargs
+    .wrap(90);
+}
+
+async function main() {
+  const logStream = process.stdout.isTTY ? process.stdout : process.stderr;
+  const cli = new CLI(logStream);
+  const dir = process.cwd();
+  const session = new SyncSession(cli, dir);
+  await session.sync();
+}
+
+function handler(argv) {
+  return runPromise(main());
+}
+
+module.exports = {
+  command: 'sync',
+  describe: 'Sync the branch specified by ncu-config',
+  builder,
+  handler
+};
diff --git a/lib/sync_session.js b/lib/sync_session.js
@@ -0,0 +1,22 @@
+'use strict';
+
+const Session = require('./session');
+
+class SyncSession extends Session {
+  constructor(cli, dir) {
+    // eslint-disable-next-line no-useless-constructor
+    super(cli, dir);
+  }
+
+  async sync() {
+    if (this.warnForMissing()) {
+      return;
+    }
+    if (this.warnForWrongBranch()) {
+      return;
+    }
+    return this.tryResetHead();
+  }
+}
+
+module.exports = SyncSession;
