feat(git-node): add git-node status

Author: codebytere

components/git/status.js

@@ -0,0 +1,38 @@
+'use strict';
+
+const path = require('path');
+const fs = require('fs');
+
+const { readJson } = require('./../../lib/file');
+const { getNcuDir } = require('./../../lib/config');
+
+const CLI = require('../../lib/cli');
+
+const cli = new CLI();
+
+function handler() {
+  const ncuDir = getNcuDir(process.cwd());
+  const landPath = path.join(ncuDir, 'land');
+
+  if (fs.existsSync(landPath)) {
+    const { state, prid, config } = readJson(landPath);
+    const { username, branch, upstream } = config;
+
+    cli.ok('Landing session in progress');
+    cli.separator();
+    cli.table('PR:', `https:/github.com/nodejs/node/pull/${prid}`);
+    cli.table('State:', state);
+    cli.table('Username:', username);
+    cli.table('Upstream:', upstream);
+    cli.table('Branch:', branch);
+  } else {
+    cli.warn('No landing session in progress');
+  }
+}
+
+module.exports = {
+  command: 'status',
+  describe: 'Return status and information about' +
+    'the current git-node land session.',
+  handler: handler
+};

docs/git-node.md

@@ -21,6 +21,8 @@ A custom Git command for managing pull requests. You can run it as
   - [`git node v8 minor`](#git-node-v8-minor)
   - [`git node v8 backport <sha..>`](#git-node-v8-backport-sha)
   - [General options](#general-options)
+- [`git node status`](#git-node-status)
+  - [Example](#example)
 - [`git node wpt`](#git-node-wpt)
   - [Example](#example-2)
 
@@ -367,6 +369,32 @@ Options:
   will be used instead of cloning V8 to `baseDir`.
 - `--verbose`: Enable verbose output.
 
+## `git node status`
+
+Return status and information about the current git-node land session. Shows the following information:
+
+- PR URL (`https:/github.com/nodejs/node/<prid>`)
+- `git-node` landing session status, one of:
+  - `APPLYING`
+  - `STARTED`
+  - `AMENDING`
+- Current username
+- Current upstream
+- Current target branch for the landing session
+
+### Example
+
+```sh
+node on git:master ❯ git node status                                             11:32AM
+   ✔  Landing session in progress
+--------------------------------------------------------------------------------
+PR:        https:/github.com/nodejs/node/pull/34800
+State:     AMENDING
+Username:  codebytere
+Upstream:  upstream
+Branch:    master
+```
+
 ## `git node wpt`
 
 Update or patch the Web Platform Tests in core.