chore: add pending_presubmits.sh

Script that shows pending presubmit branches that need attention
such as manual merge.

scripts/pending_presubmits.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+# Shows a list of pending presubmit branches that have not been merged.
+# These branches need manual attention.
+
+# Fetch all the upstream branches.
+git fetch upstream
+
+# List all upstream/presubmit-* branches that have not been merged into upstream/master neither upstream/canary yet.
+BRANCHES=$(comm -12 <(git branch -r --no-merged upstream/master) <(git branch -r --no-merged upstream/canary) | egrep "^\s*upstream/presubmit-" | sed "s#  upstream/##")
+
+# Print Travis status of all these branches.
+./scripts/print_travis_status.js "karma-runner/karma" "$BRANCHES" "$@"

scripts/print_travis_status.js

@@ -0,0 +1,80 @@
+#!/usr/bin/env node
+'use strict';
+
+var http = require('https');
+
+var COLORS = {
+  green     : ['\x1B[32m', '\x1B[39m'],
+  red       : ['\x1B[31m', '\x1B[39m']
+};
+
+var repo = process.argv[2];
+var branches = process.argv[3];
+
+if (!branches) {
+  console.log('No pending branches.');
+  process.exit(0);
+}
+
+branches = branches.split('\n');
+
+var options = {
+  hostname: 'api.travis-ci.org',
+  headers: {
+    'User-Agent': 'Vojta/0.0.1',
+    'Accept': 'application/vnd.travis-ci.2+json'
+  }
+};
+
+function red(str) {
+  return COLORS.red[0] + str + COLORS.red[1];
+}
+
+function green(str) {
+  return COLORS.green[0] + str + COLORS.green[1];
+}
+
+function bufferJsonStream(stream, done) {
+  var buffer = '';
+
+  stream.on('data', function(data) {
+    buffer += data.toString();
+  });
+
+  stream.on('end', function() {
+    done(JSON.parse(buffer));
+  });
+}
+
+branches.forEach(function(branch) {
+  options.path = '/repos/' + repo + '/branches/' + branch;
+
+  http.get(options, function(response) {
+    bufferJsonStream(response, function(resp) {
+
+      console.log('Branch: ' + branch);
+      console.log('  https://github.com/' + repo + '/tree/' + branch);
+
+      if (response.headers.status === '404 Not Found') {
+        console.log(red('Travis: NOT FOUND'));
+      } else {
+        switch (resp.branch.state) {
+          case 'passed':
+            console.log(green('Travis: ' + resp.branch.state + ' (' + resp.branch.finished_at + ')'));
+            break;
+          case 'failed':
+            console.log(red('Travis: ' + resp.branch.state + ' (' + resp.branch.finished_at + ')'));
+            break;
+          case 'started':
+            console.log('Travis: ' + resp.branch.state + ' (' + resp.branch.started_at + ')');
+            break;
+          default:
+            console.log('Travis: ' + resp.branch.state);
+        }
+        console.log('  https://travis-ci.org/' + repo + '/builds/' + resp.branch.id);
+      }
+
+      console.log('');
+    });
+  });
+});