Is there a fix for the “Could not find *gem* in any of the sources” error that doesn't involve deleting Gemfile.lock?

Question

I am trying to get my development environment setup on a new computer.

git clone -o heroku git@heroku.com:theirapp.git
cd theirapp
bundle
Fetching gem metadata f         


        

Answer 1

I've found it safest ALWAYS to specify gem versions, and only change them when necessary. Saved me a LOT of trouble.