How to reinstall a gem using bundler

Question

I did a bundle show and get the complete path to a gem directory.

Unfortunately, I removed the directory using rm -r gem_path. Then my rails ap

Answer 1

If using RVM with gems in ~/.rvm/, this works if bundle is not re-installing a gem.

First, delete the gem source:

bundle show $GEM
rm -rf $PATH_TO_GEM

Clear out the compiled gem cache:

rm -rf ~/.rvm/gems/ruby-$RUBYVERSION[@$GEMSET]/cache/$GEM.gem

Also clear out bundler's spec cache:

rm -rf ~/.rvm/gems/ruby-$RUBYVERSION[@$GEMSET]/specifications/$GEM*gemspec

Then you can re-install:

bundle install