From 96ee898cee043d20d66b36905c8992f9276a3b20 Mon Sep 17 00:00:00 2001
From: George Kalpakas <kalpakas.g@gmail.com>
Date: Thu, 6 Sep 2018 14:13:42 +0300
Subject: [PATCH] build: ignore `aio`/`docs-infra` commits in `changelog` gulp
 task (#25838)

PR Close #25838
---
 tools/gulp-tasks/changelog.js | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/tools/gulp-tasks/changelog.js b/tools/gulp-tasks/changelog.js
index fa97a3eccd..44c936bf7d 100644
--- a/tools/gulp-tasks/changelog.js
+++ b/tools/gulp-tasks/changelog.js
@@ -8,7 +8,17 @@
 
 module.exports = (gulp) => () => {
   const conventionalChangelog = require('gulp-conventional-changelog');
+  const ignoredScopes = [
+    'aio',
+    'docs-infra',
+  ];
+
   return gulp.src('CHANGELOG.md')
-      .pipe(conventionalChangelog({preset: 'angular'}))
+      .pipe(conventionalChangelog({preset: 'angular'}, {}, {
+        // Ignore commits that start with `<type>(<scope>)` for any of the ignored scopes.
+        extendedRegexp: true,
+        grep: `^[^(]+\\((${ignoredScopes.join('|')})\\)`,
+        invertGrep: true,
+      }))
       .pipe(gulp.dest('./'));
 };