The wrong version actually got moved to this branch when I tried to clean some things up. This version should be correct :-)
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Michael Scott Shappe
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These instructions assume you have read and understood the **[Discourse Advanced Developer Install Guide](https://github.com/discourse/discourse/blob/master/docs/DEVELOPER-ADVANCED.md)**.
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While you can, of course, build or use a vagrant environment on OS X, if you already develop Rails apps on OS X, you might prefer to just work in your native environment. These instructions assume you're already developing with Ruby, at least, if not with Rails, natively on OS X.
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OS X has become a popular platform for developing Ruby on Rails applications; as such, if you run OS X, you might find it more congenial to work on **[Discourse](http://discourse.org)** in your native environment. These instructions should get you there.
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As the OS X page at rvm.io suggests, setting up the environment to be "safe" for building one's own ruby environment is slightly fraught with peril because of Apple's switch to CLANG based compilers. If you're **not** already working successfully with RVM-based Ruby in OS X, it might be easier to stick with vagrant/Linux for now!
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Obviously, if you **already** develop Ruby on OS X, a lot of this will be redundant, because you'll have already done it, or something like it. If that's the case, you may well be able to just install Ruby 2.0 using RVM and get started! Discourse has enough dependencies, however (note: not a criticism!) that there's a good chance you'll find **something** else in this document that's useful for getting your Discourse development started!
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## Unicode
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OS X 10.8 uses Unicode by default. You can, of course, double-check this by examining LANG, which appears to be the only relevant environment variable.
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## OSX Development Tools
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As the [RVM website](http://rvm.io) makes clear, there are some serious issues between MRI Ruby and the modern Xcode command line tools, which are based on CLANG and LLVM, rather than classic GCC.
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This means that you need to do a little bit of groundwork if you do not already have an environment that you know for certain yields working rubies and gems.
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You will want to install XCode Command Line Tools. If you already have XCode installed, you can do this from within XCode's preferences. You can also install just the command line tools, without the rest of XCode, at [Apple's developer site](https://developer.apple.com/downloads/index.action). You will need these more for some of the headers they include than the compilers themselves.
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You will then need the old GCC-4.2 compilers, which leads us to...
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## Homebrew
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**[Homebrew](http://mxcl.github.com/homebrew)** is a package manager for ports of various Open Source packages that Apple doesn't already include (or newer versions of the ones they do), and competes in that space with MacPorts and a few others. Brew is very different from Apt, in that it often installs from source, and almost always installs development files as well as binaries, especially for libraries, so there are no special "-dev" packages.
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RVM (below) can automatically install homebrew for you with the autolibs setting, but doesn't install the GCC-4.2 compiler package when it does so, possibly because that package is not part of the mainstream homebrew repository.
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So, you will need to install Homebrew separately, based on the instructions at the website above, and then run the following from the command line:
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brew tap homebrew/dupes # roughly the same to adding a repo to apt/sources.list
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brew install apple-gcc42
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gcc-4.2 -v # Test that it's installed and available
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(You may note the Homebrew installation script requires ruby. This is not a chicken-and-egg problem; OS X 10.8 comes with ruby 1.8.7)
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## RVM and Ruby
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RVM supports OS X. For other 'packages', **[Homebrew](http://mxcl.github.com/homebrew)** is recommended as the package manager. Brew is very different from Apt, in that it often installs from source, and almost always installs development files as well as binaries, especially for libraries, so there are no special '-dev' packages.
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While some people dislike magic, I recommend letting RVM do most of the dirty work for you.
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While some people dislike magic, I recommend letting RVM do the dirty work for you. The following invocations will cover all of the ground that the Ubuntu instructions cover with apt-get.
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### RVM from scratch
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If you don't have RVM installed, the "official" install command line on rvm.io will take care of just about everything you need:
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If you don't have RVM installed, the "official" install command line on rvm.io will take care of just about everything you need, including installing Homebrew if you don't already have it installed. If you do, it will bring things up to date and use it to install the packages it needs.
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curl -L https://get.rvm.io | bash -s stable --rails --autolibs=enabled # Or, --ruby=1.9.3
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curl -L https://get.rvm.io | bash -s stable --rails --autolibs=enabled
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**IMPORTANT** As of this writing, there is a known bug in rubygems that will make it appear to not properly install. It's fibbing. It installs just fine.
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### Updating RVM
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If you do already have RVM installed, this should make sure everything is up to date for what you'll need.
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@ -31,23 +59,48 @@ If you do already have RVM installed, this should make sure everything is up to
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# If autolibs is set to 0-2, it will give an error for things that are missing, instead.
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rvm requirements
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Either way, you'll now want to install the 'turbo' version of Ruby 2.0.
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# Now, install Ruby
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rvm install 2.0.0-turbo
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rvm use 2.0.0-turbo --default # Careful with this if you're already developing Ruby
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## Git
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### Command line
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OS X comes with Git (which is why the LibXML2 dance above will work before this step!), but I recommend you update to Homebrew's version:
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brew install git # 1.8.2 is current
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You should now be able to check out a clone of Discourse.
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### SourceTree
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Atlassan has a free GIT client for OS X called [SourceTree](http://www.sourcetreeapp.com/download/) which can be extremely useful for keeping visual track of what's going on in Git-land. While it's arguably not a full substitute for command-line git (especially if you know the command line well), it's extremely powerful for a GUI version-control client.
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## Postgres 9.2
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**NOTA BENE** As I'm writing this, Postgres is known to have some sort of hideous security problem that is supposed to be patched Real Soon Now. Be careful!
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OS X ships with postgres, but you're better off going with the latest from Homebrew.
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OS X ships with Postgres 9.1.5, but you're better off going with the latest from Homebrew or [Postgres.App](http://postgresapp.com).
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Whereas Ubuntu installs postgres with 'postgres' as the default superuser, Homebrew installs it with the user who installed it as such...and yet with 'postgres' as the default database. Go figure. However, the seed data currently has some dependencies on their being a 'postgres' user, so we create one below.
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### Using Postgress.app
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[Instructions pending]
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### Using Homebrew:
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Whereas Ubuntu installs postgres with 'postgres' as the default superuser, Homebrew installs it with the user who installed it as such...and yet with 'postgres' as the default database. Go figure.
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However, the seed data currently has some dependencies on their being a 'postgres' user, so we create one below.
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In theory, you're not setting up with vagrant, either, and shouldn't need a vagrant user; however, again, all the seed data assumes 'vagrant'. To avoid headaches, it's probably best to go with this flow, so again, we create a 'vagrant' user.
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Using Homebrew:
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brew install postgresql # Installs 9.2
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ln -sfv /usr/local/opt/postgresql/*.plist ~/Library/LaunchAgents
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export PATH=/usr/local/opt/postgresql/bin:$PATH # You may want to put this in your default path!
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initdb /usr/local/var/postgres -E utf8
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launchctl unload ~/Library/LaunchAgents/homebrew.mxcl.postgresql.plist
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@ -63,11 +116,19 @@ Using Homebrew:
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psql -d discourse_development -c "CREATE EXTENSION hstore;"
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psql -d discourse_development -c "CREATE EXTENSION pg_trgm;"
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You should not need to alter /usr/local/var/postgres/pg_hba.conf
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You should not need to alter `/usr/local/var/postgres/pg_hba.conf`
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### Loading seed data
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From the discource source tree:
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psql -d discourse_development < pg_dumps/development-image.sql
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## Redis
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brew install redis
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ln -sfv /usr/local/opt/redis/*.plist ~/Library/LaunchAgents
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launchctl load ~/Library/LaunchAgents/homebrew.mxcl.redis.plist
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That's about it.
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brew install phantomjs
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## Now, test it out!
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Copy `config/database.yml.sample` and `config/redis.yml.sample` to `config/database.yml` and `config/redis.yml` and input the correct values to point to your postgres and redis instances. If you stuck to all the defaults above, chances are the samples will work out of the box!
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bundle install # Yes, this DOES take a while. No, it's not really cloning all of rubygems :-)
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rake db:migrate
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rake db:test:prepare
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rake db:seed_fu
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bundle exec rspec # All specs should pass
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