rbenv

I'm trying to install gems to my new Ruby project using bundle install. I've set the version of Ruby using rbenv on my OS X 10.8.4 box. I get the following error: An error occurred while installing atomic (1.1.13), and Bundler cannot continue. Make sure that `gem install atomic -v '1.1.13'` succeeds before bundling. Kikime:jazzcatalog curt$ gem install atomic Building native extensions. This could take a while... Successfully installed atomic-1.1.13 1 gem installed Kikime:jazzcatalog curt$ rbenv rehash Kikime:jazzcatalog curt$ bundle install Fetching gem metadata from https://rubygems.org/....

I'm trying to run a ruby script using rbenv with cron. I know that I need to load rbenv in order to have the right ruby version loaded. I've tried options like this : */10 * * * * /bin/bash -c 'source $HOME/.bashrc; cd /data/app; ruby -v' >> /tmp/logfile.txt 2>&1 but as the session is not interactive, I'm not having the right ruby version. I've found example like this : 15 14 1 * * export BASH_ENV=/path/to/environment && /full/path/to/bash -c '/full/path/to/rvm_script.rb' It didn't work neighter. Then I wrote a loader, which only load rbenv in the current shell but it doesn't work. */1 * * * *

I've just made the switch from rvm to rbenv and I'm trying to use bundler for gem management. After running bundle install and trying to run a simple sinatra app ( ruby app.rb ), I get this: Could not find haml-3.1.4 in any of the sources Run `bundle install` to install missing gems. Running bundle install again had no effect. Also tried bundle update as suggested by another question response. This is my Gemfile: source "http://rubygems.org" gem "sinatra" gem "haml" This is what bundle show produces * bundler (1.0.22) * haml (3.1.4) * rack (1.4.1) * rack-protection (1.2.0) * sinatra (1.3.2) *

Is it possible to use multiple versions of rails using rbenv (e.g. 2.3 and 3.1)? This was easy with gemsets in rvm, but I'm wondering what the best way is to do it now that I've switched to rbenv (also, I'm looking for a way to do it without rbenv-gemset). not sure if you got an answer to this, but I thought I'd offer what I did and it seemed to work. So once you get rbenv installed, and you use it to install a specific ruby version, you can install multiple versions of rails to for that ruby. STEP 1. Install whatever version(s) of rails you want per ruby version % RBENV_VERSION=1.9.2-p290

I am interested in how RVM and rbenv actually work. Obviously they swap between different versions of Ruby and gemsets, but how is this achieved? I had assumed they were simply updating symlinks, but having delved into the code (and I must admit my knowledge of Bash is superficial) they appear to be doing more than this. Short explanation: rbenv works by hooking into your environment's PATH . The concept is simple, but the devil is in the details; full scoop below. First, rbenv creates shims for all the commands ( ruby , irb , rake , gem and so on) across all your installed versions of Ruby.