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Ruby's Intelligent Packaging

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README.md

rip

Like virtualenv + pip for Ruby.

Installs and manages RubyGems, git repositories, and more.

We're currently in a developer-mode rewrite: rip2.

Installation

The best way to install it right now is to clone with git then add to your $PATH.

Got hub?

git clone defunkt/rip

Old school style:

git clone git://github.com/defunkt/rip.git

Now set it up in your ~./bashrc (or whatever):

export RUBYLIB="$RUBYLIB:$HOME/Projects/rip/lib"
export PATH="$PATH:$HOME/Projects/rip/bin"
eval `rip-config`

Replace $HOME/Projects/rip with the path to your clone of rip. To see what the eval statement is executing each time your shell opens, run rip-config by hand:

$ rip-config
function rip-push() {
  export PATH="$PATH:$RIPDIR/$1/bin";
  export RUBYLIB="$RUBYLIB:$RIPDIR/$1/lib";
};
RIPVERBOSE=1
RIPDIR=${RIPDIR:-"$HOME/.rip"}
RUBYLIB="$RIPDIR/active/lib:$RUBYLIB"
PATH="$RIPDIR/active/bin:$PATH"
export RIPVERBOSE RIPDIR RUBYLIB PATH

That's what I get. So, let's test this thing out by seeing what envs we have.

Let's try it:

$ rip-envs
$RIPDIR not set. Please eval `rip-shell`

Whoops. We need to restart our shell so the ~/.bashrc changes take hold. We can also run that eval command by hand, but it's easier just to open a new shell.

Now, in our new shell:

$ rip-envs
/Users/chris/.rip not found. Please run `rip-setup`

Okay.

$ rip-setup
$ rip-envs
* base

We're ready to roll.

Disabling rip

Many people installed Rip, played with it, realized it wasn't done, then forgot about it - only to become frustrated when some package they installed with Rip screwed up their development environment. Those were the kinds of problems Rip was supposed to solve! What does rip2 have to say about this?

Two words: rip-off. rip2 can be enabled or disabled at any time using the rip-off and rip-on commands:

$ rip-env
choices
$ ruby -r choice -e ''
$ rip-off
$ rip-env
rip is currently disabled. `rip-on` to re-enable.
$ ruby -r choice -e ''
ruby: no such file to load -- choice (LoadError)
$ rip-on
$ ruby -r choice -e ''
$ rip-env
choices

Try It

$ rip-env -c emailing
$ rip-install mail
fetching mail 2.2.0
installed activesupport (2.3.5)
installed mime-types (1.16)
installed json_pure (1.4.2)
installed rubyforge (2.0.4)
installed minitest (1.6.0)
installed rake (0.8.7)
installed hoe (2.6.0)
installed polyglot (0.3.1)
installed treetop (1.4.5)
installed mail (2.2.0)

It only fetched the packages I hadn't already installed in another environment. Thanks, rip.

Now we can use our new library:

$ irb -r mail
>> Mail
=> Mail

When we move to another ripenv, we're in a new world:

$ rip-env base
base
$ irb -r mail
`require': no such file to load -- mail (LoadError)
  from /ruby/ree-1.8.7/lib/ruby/1.8/irb/init.rb:254:in `load_modules'

Dependencies

When installing a RubyGem, rip respects dependencies. Installing from a git repository? rip will check for a deps.rip and use that.

By default, rip assumes you don't want to overwrite installed packages:

$ rip-install rack 1.0.0
installed rack (1.0.0)
$ rip-install rack 1.1.0
Conflicts
  rack
    1.1.0 requested, 1.0.0 already installed

Use -f to force the install:

$ rip-install -f rack 1.1.0
installed rack (1.1.0)

(This operation may need some polish, but it works.)

Common Commands

Installation:

$ rip-install RUBYGEM
$ rip-install RUBYGEM VERSION
$ rip-install GIT_REPO
$ rip-install GIT_REPO TAG_OR_VERSION
$ rip-remove PACKAGE_NAME

Introspection:

$ rip-list
$ rip-config
$ rip-installed
$ rip-installed package

Environments:

$ rip-envs
$ rip-env -c NEW_RIPENV
$ rip-env -d RIPENV_TO_DELETE
$ rip-env RIPENV_TO_SWITCH_TO

Spring cleaning:

$ rip-gc
$ rip-fsck

Power Usage

I'm now using rip for all my development. This includes GitHub. Here are fun things to do with rip today;

Compatibility

rip strives to be compatible with:

Running the Tests

To run the test suite:

$ rake

Contributing

Once you've made your great commits:

  1. Fork rip
  2. Create a topic branch - git checkout -b my_branch
  3. Push to your branch - git push origin my_branch
  4. Create an Issue with a link to your branch
  5. That's it!

Mailing List

To join the list simply send an email to rip@librelist.com. This will subscribe you and send you information about your subscription, including unsubscribe information.

The archive can be found at http://librelist.com/browser/.

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