allow build mobi

Gemfile

@@ -20,4 +20,4 @@ gem 'thread_safe'
 gem 'epubcheck-ruby'
 gem 'html-proofer'
 
-#gem 'kindlegen', '3.1.1'
+gem 'kindlegen', '3.1.1'

Rakefile

@@ -45,8 +45,7 @@ namespace :book do
   end
 
   desc 'build basic book formats'
-  task :build => [:build_html, :build_epub, :build_fb2, :build_pdf] do
-  #task :build => [:build_html, :build_epub, :build_fb2, :build_mobi, :build_pdf] do
+  task :build => [:build_html, :build_epub, :build_fb2, :build_mobi, :build_pdf] do
     begin
         # Run check
         Rake::Task['book:check'].invoke
@@ -59,8 +58,7 @@ namespace :book do
   end
 
   desc 'build basic book formats (for ci)'
-  task :ci => [:build_html, :build_epub, :build_fb2, :build_pdf] do
-  #task :ci => [:build_html, :build_epub, :build_fb2, :build_mobi, :build_pdf] do
+  task :ci => [:build_html, :build_epub, :build_fb2, :build_mobi, :build_pdf] do
       # Run check, but don't ignore any errors
       Rake::Task['book:check'].invoke
   end
@@ -102,7 +100,6 @@ namespace :book do
 
   end
 
-=begin
   desc 'build Mobi format'
   task :build_mobi => 'book/contributors.txt' do
       check_contrib()
@@ -111,7 +108,6 @@ namespace :book do
       sh "bundle exec asciidoctor-epub3 #{params} -a ebook-format=kf8 progit.asc"
       puts " -- Mobi output at progit.mobi"
   end
-=end
 
   desc 'build PDF format'
   task :build_pdf => 'book/contributors.txt' do
@@ -135,8 +131,7 @@ namespace :book do
     begin
         puts 'Removing generated files'
 
-        FileList['book/contributors.txt', 'progit.html', 'progit-kf8.epub', 'progit.epub', 'progit.fb2.zip', 'progit.pdf'].each do |file|
-        #FileList['book/contributors.txt', 'progit.html', 'progit-kf8.epub', 'progit.epub', 'progit.fb2.zip', 'progit.mobi', 'progit.pdf'].each do |file|
+        FileList['book/contributors.txt', 'progit.html', 'progit-kf8.epub', 'progit.epub', 'progit.fb2.zip', 'progit.mobi', 'progit.pdf'].each do |file|
             rm file
 
             # Rescue if file not found