Prepare a Ruby 1.8.7 app for Ruby 1.9.3

some_links.md

Support Ruby1.8.7 + Ruby 1.9 at the same time

http://www.oreillynet.com/pub/a/ruby/excerpts/ruby-best-practices/writing-backward-compatible.html

Possible Issues

http://stackoverflow.com/questions/2688002/whats-discouraging-you-from-writing-ruby-1-9-specific-code

User Stories

Newrelic:

• http://blog.newrelic.com/2012/10/23/eating-the-1-9-elephant/

Zendesk:

• http://www.zendesk.com/blog/upgrade-the-road-to-1-9

Harvest:

• http://techtime.getharvest.com/blog/harvest-is-now-on-ruby-1-dot-9-3

Uservoice:

• http://developer.uservoice.com/blog/2012/03/04/how-to-upgrade-a-rails-2-3-app-to-ruby-1-9-3/
• (How we upgraded UserVoice, a Rails 2.3.14 app, to Ruby 1.9.3.)
• https://gist.github.com/1976864

Causes:

• http://causes.github.com/migrating-rails-talk/#/1 (quite good!!)

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Rails 2.3 + Ruby 1.9

• http://andre.arko.net/2012/06/14/rails-2314-on-ruby-193/
• http://scottiestech.info/2012/02/07/make-rails-2-3-x-happy-with-ruby-1-9-3/
• http://instantbadger.blogspot.de/2011/11/porting-rails-23-app-to-ruby-19.html
• http://grokbase.com/t/gg/rails-oceania/122xj90wyh/rails-2-3-14-on-ruby-1-9-3
• http://guides.rubyonrails.org/2_3_release_notes.html#ruby-1-9-1-support

monkeypatch Rails 2.3.14 for Ruby 1.9.3

• https://gist.github.com/2913560

Porting Tips

• https://speakerdeck.com/u/elitau/p/problems-on-migrating-from-ruby-18-to-19
• http://www.scribd.com/doc/5707264/New-in-Ruby-1-9 (older)
• http://www.slideshare.net/tomaspavelka/migrating-to-ruby19
• http://blog.grayproductions.net/articles/getting_code_ready_for_ruby_19
• http://www.slideshare.net/tomaspavelka/migrating-to-ruby19
• http://boga.wordpress.com/tag/ruby19/

Requiring files:

• http://stackoverflow.com/questions/4333286/ruby-require-vs-require-relative-best-practice-to-workaround-running-in-both

Ruby 1.9 in general:

• http://www.rubyinside.com/ruby-1-9-3-introduction-and-changes-5428.html

Check all gems for proper version

• http://isitruby19.com/__GEMNAME__

migrate gettext to fast-gettext

• https://github.com/grosser/fast_gettext/
• https://github.com/grosser/gettext_i18n_rails/
• https://github.com/grosser/gettext_i18n_rails_example
• http://www.frick-web.at/system/downloads/bachelorarbeit1_matthias_frick.pdf

use unicorn with OobGC

• http://unicorn.bogomips.org/Unicorn/OobGC.html
• http://rubyforge.org/pipermail/mongrel-unicorn/2011-October/001207.html

UTF-8 Encodings

• http://po-ru.com/diary/fixing-invalid-utf-8-in-ruby-revisited/
• http://blog.grayproductions.net/articles/ruby_19s_three_default_encodings

String#each

• http://h3manth.com/content/stringeach-missing-ruby19

Extra Tips:

• clean up upfront!
• simple is the new clever!

git house-keeping:

git remote prune origin (removes all stale remote branches)

Kannst ja langsam die nicht 1.9 sachen killen wenn du ihnen begegnest (z.B. mit 1.9 entwickeln), dann ists irgendwann einfacher :)