From 7ecc0cfd0b9736758f97260292f1276901348e76 Mon Sep 17 00:00:00 2001
From: Dale Stevens <dale@twilightcoders.net>
Date: Sat, 10 Oct 2015 09:30:13 -0600
Subject: [PATCH] Allows for building specific versions

---
 tasks/angularjs-rails/updater.rb | 141 +++++++++++++++++--------------
 1 file changed, 76 insertions(+), 65 deletions(-)

diff --git a/tasks/angularjs-rails/updater.rb b/tasks/angularjs-rails/updater.rb
index 5f3431c..a42316e 100644
--- a/tasks/angularjs-rails/updater.rb
+++ b/tasks/angularjs-rails/updater.rb
@@ -4,94 +4,105 @@
 require 'pathname'
 require 'tempfile'
 
-module AngularJS::Rails
-  class Updater
-    BASE_URL = 'https://code.angularjs.org'
-    ROOT_PATH = Pathname.new('vendor/assets/javascripts')
+# Run with `ruby -r "./tasks/angularjs-rails/updater.rb" -e "AngularJS::Rails::Updater.new.build_js('1.2.28')"`
+module AngularJS
+  module Rails
+    class Updater
+      BASE_URL = 'https://code.angularjs.org'
+      ROOT_PATH = Pathname.new('vendor/assets/javascripts')
+
+      def initialize
+      end
 
-    def initialize
-    end
+      def base_path
+        ROOT_PATH
+      end
 
-    def base_path
-      ROOT_PATH
-    end
+      def update_js!
+        if latest_version >= current_gem_version
+          clean
+          download_files
+          update_version_to(latest_version)
+        end
+      end
 
-    def update_js!
-      if latest_version >= current_gem_version
+      def build_js(version)
         clean
-        download_files
-        update_version_to(latest_version)
+        download_files(version)
+        update_version_to(version)
       end
-    end
 
-    def current_gem_version
-      raise NotImplementedError
-    end
+      def current_gem_version
+        raise NotImplementedError
+      end
 
-    def available_versions
-      upstream_versions.find_all {|v| own_version(v) }
-    end
+      def available_versions
+        upstream_versions.find_all {|v| own_version(v) }
+      end
 
-    def latest_version
-      available_versions.last
-    end
+      def latest_version
+        available_versions.last
+      end
 
-    def version_constant_name
-      "VERSION"
-    end
+      def version_constant_name
+        "VERSION"
+      end
 
-    private
+      private
 
-    def clean
-      base_path.children.each do |f|
-        f.delete if f.file?
+      def clean
+        base_path.children.each do |f|
+          f.delete if f.file?
+        end
       end
-    end
 
-    def update_version_to(version)
-      version_file = Pathname.new('lib/angularjs-rails/version.rb')
-      content = version_file.read
-      version_line = content.lines.find { |l| l =~ /^\s+#{version_constant_name}/ }
+      def update_version_to(version)
+        version_file = Pathname.new('lib/angularjs-rails/version.rb')
+        content = version_file.read
+        version_line = content.lines.find { |l| l =~ /^\s+#{version_constant_name}/ }
 
-      # version_to_convert = Versionomy.parse(version).convert(:rubygems).to_s
+        # version_to_convert = Versionomy.parse(version).convert(:rubygems).to_s
 
-      new_version_line = version_line.gsub(/"[^"]+"/, %Q{"#{version}"})
-      version_file.open('w+') do |f|
-        f.write content.gsub(version_line, new_version_line)
+        new_version_line = version_line.gsub(/"[^"]+"/, %Q{"#{version}"})
+        version_file.open('w+') do |f|
+          f.write content.gsub(version_line, new_version_line)
+        end
       end
-    end
 
-    def upstream_versions
-      @upstream_versions ||= Nokogiri::HTML.parse(open(BASE_URL)).
-        css('a').map { |e| Versionomy.parse e.text[0..-2] rescue nil }.compact.sort
-    end
+      def upstream_versions
+        @upstream_versions ||= Nokogiri::HTML.parse(open(BASE_URL)).
+          css('a').map { |e| Versionomy.parse e.text[0..-2] rescue nil }.compact.sort
+      end
 
-    def own_version(v)
-      true
-    end
+      def own_version(v)
+        true
+      end
 
-    def self.update_js!
-      self.new.update_js!
-    end
+      def self.update_js!
+        self.new.update_js!
+      end
 
-    def download_files
-      url = BASE_URL + "/" + latest_version.to_s
-      Nokogiri::HTML.parse(open(url)).
-        css('a').
+      def download_files(version=latest_version)
+        url = BASE_URL + "/" + version.to_s
+        puts "Fetching #{url}"
+        Nokogiri::HTML.parse(open(url)).
+          css('a').
 
-        #only angular js files
-        map{|a| a[:href] =~ /angular[^.]*\.js/ ? a : nil }.compact.
+          #only angular js files
+          map{|a| a[:href] =~ /angular[^.]*\.js/ ? a : nil }.compact.
 
-        each do |a|
-          download_file(a[:href], url)
-        end
-    end
+          each do |a|
+            download_file(a[:href], url)
+          end
+      end
 
-    def download_file(file, url)
-      full_url = url + "/" + file
-      full_path = base_path.join(file)
-      full_path.open('w+') do |f|
-        f.write open(full_url).read
+      def download_file(file, url)
+        puts "Downloading #{file} from #{url}"
+        full_url = url + "/" + file
+        full_path = base_path.join(file)
+        full_path.open('w+') do |f|
+          f.write open(full_url).read
+        end
       end
     end
   end