Install ruby gem globally from github repository

Question

I want to install a ruby gem globally (sudo gem install capybara-webkit) but I want it to be installed from the master in its github repository. I know this can be done using bundler but I want to do it from the command line because I'm coding mainly using pry.

Wally Altman · Accepted Answer · 2013-05-03 18:48:22Z

73

Download the source:

git clone https://github.com/thoughtbot/capybara-webkit.git

Build the gem:

cd capybara-webkit && gem build capybara-webkit.gemspec

Install it (the filename/version may vary):

sudo gem install capybara-webkit-0.14.1.gem

answered May 3, 2013 at 18:48

Wally Altman

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2 Comments

Shannon Scott Schupbach Over a year ago

I would leave the sudo off of step 3, (stackoverflow.com/questions/2119064/…) but otherwise, great answer! The one other thing to note is that the .gemspec file isn't always exactly the same as the name of the gem or the directory it's in, so just double check the filename before step 2.

gavenkoa Over a year ago

I'm not sure of the effect of sudo by on Cygwin I used gem install --no-user-install, otherwise it installs into ~/.gem/ruby/$VER. --no-user-install is a saver.

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