gjtorikian · jch · Jul 20, 2015 · Feb 24, 2015 · Feb 24, 2015 · Feb 24, 2015
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,24 @@
 # CHANGELOG
 
+## 1.12.0
+
+**New**
+
+* Implement new EmojiFilter context option: ignored_ancestor_tags to accept more ignored tags. [#170](https://github.com/jch/html-pipeline/pull/170) @JuanitoFatas
+* Add GitHub flavor Markdown Task List extension [#162](https://github.com/jch/html-pipeline/pull/162) @simeonwillbanks
+* @mention allow for custom regex to identify usernames. [#157](https://github.com/jch/html-pipeline/pull/157) @brittballard
+
+**Changes**
+* Restrict nokogiri to >= 1.4, <= 1.6.5 [#176](https://github.com/jch/html-pipeline/pull/176) @simeonwillbanks
+* MentionFilter#link_to_mentioned_user: Replace String introspection with Regexp match [#172](https://github.com/jch/html-pipeline/pull/172) @simeonwillbanks
+* Whitelist summary and details element. [#171](https://github.com/jch/html-pipeline/pull/171) @JuanitoFatas
+* Support ~login for MentionFilter. [#167](https://github.com/jch/html-pipeline/pull/167) @JuanitoFatas
+* Revert "Search for text nodes on DocumentFragments without root tags" [#158](https://github.com/jch/html-pipeline/pull/158) @jch
+* Drop support for ruby ree, 1.9.2 [#156](https://github.com/jch/html-pipeline/pull/156) @jch
+* Skip EmojiFilter in <tt> tags [#147](https://github.com/jch/html-pipeline/pull/147) @moskvax
+* Use Linguist lexers [#153](https://github.com/jch/html-pipeline/pull/153) @pchaigno
+* Constrain active support >= 2, < 5 [#180](https://github.com/jch/html-pipeline/pull/180) @jch
+
 ## 1.11.0
 
   * Search for text nodes on DocumentFragments without root tags #146 Razer6

diff --git a/README.md b/README.md
@@ -348,6 +348,9 @@ Project is a member of the [OSS Manifesto](http://ossmanifesto.org/).
 
 This section is for gem maintainers to cut a new version of the gem.
 
-* update lib/html/pipeline/version.rb to next version number X.X.X following [semver](http://semver.org).
-* update CHANGELOG.md. Get latest changes with `git log --oneline vLAST_RELEASE..HEAD | grep Merge`
+* create a new branch named `release-x.y.z` where `x.y.z` follows [semver](http://semver.org)
+* update lib/html/pipeline/version.rb to next version number X.X.X
+* update CHANGELOG.md. Prepare a draft with `script/changelog`
+* push branch and create a new pull request
+* after tests are green, merge to master
 * on the master branch, run `script/release`
diff --git a/lib/html/pipeline/version.rb b/lib/html/pipeline/version.rb
@@ -1,5 +1,5 @@
 module HTML
   class Pipeline
-    VERSION = "1.11.0"
+    VERSION = "1.12.0"
   end
 end
diff --git a/script/changelog b/script/changelog
@@ -0,0 +1,30 @@
+#!/usr/bin/env sh
+# Usage: script/changelog [-r <repo>] [-b <base>] [-h <head>]
+#
+#  repo: base string of GitHub repository url. e.g. "user_or_org/repository". Defaults to git remote url.
+#  base: git ref to compare from. e.g. "v1.3.1". Defaults to latest git tag.
+#  head: git ref to compare to. Defaults to "HEAD".
+#
+# Generate a changelog preview from pull requests merged between `base` and
+# `head`.
+#
+# https://github.com/jch/release-scripts
+set -e
+
+[ $# -eq 0 ] && set -- --help
+
+# parse args
+repo='jch/html-pipeline'
+base=$(git tag -l | sort -t. -k 1,1n -k 2,2n -k 3,3n | tail -n 1)
+head="HEAD"
+api_url="https://api.github.com"
+
+echo "# $repo $base..$head"
+echo
+
+# get merged PR's. Better way is to query the API for these, but this is easier
+for pr in $(git log --oneline $base..$head | grep "Merge pull request" | awk '{gsub("#",""); print $5}')
+do
+  # frustrated with trying to pull out the right values, fell back to ruby
+  curl -s "$api_url/repos/$repo/pulls/$pr" | ruby -rjson -e 'pr=JSON.parse(STDIN.read); puts "* #{pr[%q(title)]} [##{pr[%q(number)]}](#{pr[%q(html_url)]}) @#{pr[%q(user)][%q(login)]}"'
+done