BUNDLER_GEMFILE in .bundle/config is ignored?

[mgraham]

In .bundle/config, I tried to add

BUNDLE_GEMFILE=Gemfile.local

But the config is ignored when running

$ bundle exec bundle

However this works:

$ BUNDLE_GEMFILE=Gemfile.local bundle exec bundle

[indirect]

Yep. That's a documented limitation of Bundler. The .bundle/config file is actually found relative to the Gemfile, which means that the Gemfile location can't be changed in config.

[binaryphile]

Perhaps the documentation should reflect this, since it currently indicates this is possible, resulting in undocumented behavior.

I'm referring specifically to http://bundler.io/v1.7/bundle_config.html:

List of available keys

The following is a list of all configuration keys and their purpose.
[...]

• gemfile (BUNDLE_GEMFILE): The name of the file that bundler should use as the Gemfile. This
  location of this file also sets the root of the project, which is used to resolve relative paths in the
  Gemfile, among other things. By default, bundler will search up from the current working directory until
  it finds a Gemfile.

[...]

You can set them globally either via environment variables or bundle config, whichever is preferable
for your setup. If you use both, environment variables will take preference over global settings.

I'd just suggest denoting the exception for gemfile in that last paragraph there.

Thanks.