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rbenv installer & doctor scripts

rbenv-installer

The rbenv-installer script idempotently installs or updates rbenv on your system. If Homebrew is detected, installation will proceed using brew install/upgrade. Otherwise, rbenv is installed under ~/.rbenv.

Additionally, ruby-build is also installed if rbenv install is not already available.

with curl:

curl -fsSL https://github.com/rbenv/rbenv-installer/raw/HEAD/bin/rbenv-installer | bash

alternatively, with wget:

wget -q https://github.com/rbenv/rbenv-installer/raw/HEAD/bin/rbenv-installer -O- | bash

Note The installer script is meant for casual use on your own development machine. For automating installation across machines it's better to avoid using this script in favor of fine-tuning rbenv & ruby-build installation manually. Some environments—such as container images meant for either Ruby development or production—should not be switching between multiple Ruby versions at all, so if you are installing rbenv there, you are likely doing something wrong.

rbenv-doctor

You can verify the state of your rbenv installation with:

with curl:

curl -fsSL https://github.com/rbenv/rbenv-installer/raw/HEAD/bin/rbenv-doctor | bash

alternatively, with wget:

wget -q https://github.com/rbenv/rbenv-installer/raw/HEAD/bin/rbenv-doctor -O- | bash