Groom your app’s Ruby environment
https://github.com/rbenv/rbenv
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Recent commits:

• Merge pull request #1203 from jf/fix_misleading_set_by_message_for_system_rubylibexec/rbenv-version: get rid of misleading "set by $(rbenv-version-origin)" message when system ruby is in use, GitHub
• Fix (revert) test/version-origin.bats, Jeffrey 'jf' Lim
• libexec/rbenv-version{,-origin}: move "missing rbenv-version-file detection" logic as per @mislav, Jeffrey 'jf' Lim
• Fix tests for #1203, Jeffrey 'jf' Lim
• libexec/rbenv-version{,-origin}: fix earlier commit to allow for RBENV_VERSION env var, Jeffrey 'jf' Lim