From 7a785b64e20340388f3c853ec16f1221a6928ff0 Mon Sep 17 00:00:00 2001
From: Dima Shevtsov <shevtsov@adobe.com>
Date: Tue, 21 May 2019 16:13:31 -0500
Subject: [PATCH] Add rake task for image optimization

---
 Gemfile         |  7 +++++++
 Gemfile.lock    | 24 +++++++++++++++++++++++-
 Rakefile        | 12 ++++++++++++
 bin/image_optim | 29 +++++++++++++++++++++++++++++
 4 files changed, 71 insertions(+), 1 deletion(-)
 create mode 100755 bin/image_optim

diff --git a/Gemfile b/Gemfile
index af37ff5b9bf..a20264883bc 100644
--- a/Gemfile
+++ b/Gemfile
@@ -12,6 +12,11 @@ group :test do
   gem 'launchy'
 end
 
+group :optimiztion do
+  gem 'image_optim'
+  gem 'image_optim_pack'
+end
+
 group :jekyll_plugins do
   gem 'jekyll-algolia', '~> 1.0'
   gem 'jekyll-redirect-from'
@@ -20,3 +25,5 @@ group :jekyll_plugins do
   gem 'jekyll-relative-links'
   gem 'jekyll-optional-front-matter'
 end
+
+gem "pry", "~> 0.12.2"
diff --git a/Gemfile.lock b/Gemfile.lock
index 4952fa490ae..bd8736e1810 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -21,6 +21,7 @@ GEM
     algoliasearch (1.26.0)
       httpclient (~> 2.8, >= 2.8.3)
       json (>= 1.5.1)
+    coderay (1.1.2)
     colorator (1.1.0)
     colorize (0.8.1)
     concurrent-ruby (1.1.5)
@@ -30,9 +31,11 @@ GEM
     ethon (0.12.0)
       ffi (>= 1.3.0)
     eventmachine (1.2.7)
+    exifr (1.3.6)
     ffi (1.10.0)
     filesize (0.2.0)
     forwardable-extended (2.6.0)
+    fspath (3.1.0)
     html-proofer (3.9.3)
       activesupport (>= 4.2, < 6.0)
       addressable (~> 2.3)
@@ -46,6 +49,17 @@ GEM
     httpclient (2.8.3)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
+    image_optim (0.26.3)
+      exifr (~> 1.2, >= 1.2.2)
+      fspath (~> 3.0)
+      image_size (>= 1.5, < 3)
+      in_threads (~> 1.3)
+      progress (~> 3.0, >= 3.0.1)
+    image_optim_pack (0.5.2.20190428)
+      fspath (>= 2.1, < 4)
+      image_optim (~> 0.19)
+    image_size (2.0.1)
+    in_threads (1.5.1)
     jekyll (3.8.5)
       addressable (~> 2.4)
       colorator (~> 1.0)
@@ -92,6 +106,7 @@ GEM
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
     mercenary (0.3.6)
+    method_source (0.9.2)
     mini_portile2 (2.3.0)
     minitest (5.11.3)
     nokogiri (1.8.5)
@@ -99,7 +114,11 @@ GEM
     parallel (1.17.0)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
+    progress (3.5.0)
     progressbar (1.10.0)
+    pry (0.12.2)
+      coderay (~> 1.1.0)
+      method_source (~> 0.9.0)
     public_suffix (3.0.3)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.0)
@@ -126,6 +145,8 @@ PLATFORMS
 DEPENDENCIES
   devdocs!
   html-proofer
+  image_optim
+  image_optim_pack
   jekyll
   jekyll-algolia (~> 1.0)
   jekyll-optional-front-matter
@@ -134,6 +155,7 @@ DEPENDENCIES
   jekyll-sitemap
   jekyll-titles-from-headings
   launchy
+  pry (~> 0.12.2)
 
 BUNDLED WITH
-   1.17.2
+   1.17.3
diff --git a/Rakefile b/Rakefile
index 2ba8f224524..8ef15b0fe41 100644
--- a/Rakefile
+++ b/Rakefile
@@ -60,3 +60,15 @@ end
 
 desc 'Pull docs from external repositories'
 task init: %w[multirepo:init]
+
+desc 'Optimize images in modified files, or by path (rake image_optim path=path/to/dir/or/file).'
+task :image_optim do
+  path = ENV['path']
+  unless path
+    staged_files = `git ls-files --modified --others --exclude-standard`.split("\n")
+    # staged_md_files = staged_files.select { |file| File.extname(file) == '.md' }
+    abort 'Didn\'t find any modified files.'.blue if staged_files.empty?
+    path = staged_files.join(' ')
+  end
+  system "bin/image_optim --no-pngout --no-svgo --recursive #{path}"
+end
diff --git a/bin/image_optim b/bin/image_optim
new file mode 100755
index 00000000000..a2624d763ac
--- /dev/null
+++ b/bin/image_optim
@@ -0,0 +1,29 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+#
+# This file was generated by Bundler.
+#
+# The application 'image_optim' is installed as part of a gem, and
+# this file is here to facilitate running it.
+#
+
+require "pathname"
+ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../../Gemfile",
+  Pathname.new(__FILE__).realpath)
+
+bundle_binstub = File.expand_path("../bundle", __FILE__)
+
+if File.file?(bundle_binstub)
+  if File.read(bundle_binstub, 300) =~ /This file was generated by Bundler/
+    load(bundle_binstub)
+  else
+    abort("Your `bin/bundle` was not generated by Bundler, so this binstub cannot run.
+Replace `bin/bundle` by running `bundle binstubs bundler --force`, then run this command again.")
+  end
+end
+
+require "rubygems"
+require "bundler/setup"
+
+load Gem.bin_path("image_optim", "image_optim")