Wes Gibbs github twitter linked in ruby5 archives
Heroku BUNDLE_WITHOUT config variable wants colons

It appears that Heroku recently changed the syntax for the BUNDLE_WITHOUT config variable.

The cached version of this [page] (http://docs.heroku.com/bundler) still shows the old syntax where the environment names are separated by spaces:

heroku config:add BUNDLE_WITHOUT="development test"

The current version shows them separated with a colon:

heroku config:add BUNDLE_WITHOUT="development:test"

I remembered this error when I initially deployed my app to Heroku. linecache19 was being installed as a dependency of ruby-debug19 which was declared in the bundler development group. I added the BUNDLE_WITHOUT config variable to Heroku and it solved the problem.

The problem came back this morning and I noticed the change above in the Heroku docs.

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