Enable debug flag so errors from Thor are getting raised. This enables us to rescue them, inform the user and exit with a failing exit code.
Revised language for: * conversational tone * active voice * 2nd person
Conflicts: CHANGELOG.md bin/bundle lib/bundler/version.rb spec/install/gems/dependency_api_spec.rb
This reverts commit af40019. This is broken since Gem::InstallError and Gem::Installer::ExtensionBuildError aren't aren't in the namespace if a gem install error doesn't happen.
Conflicts: CHANGELOG.md lib/bundler/cli.rb lib/bundler/installer.rb lib/bundler/version.rb
… versions of bundler exist.