On OpenSUSE

On OpenSUSE, Crystal can be installed from the official rpm package using Zypper.

Setup repository

First add the signing key:

rpm --import https://dist.crystal-lang.org/rpm/RPM-GPG-KEY

Next configure the repository in Zypper:

sudo zypper ar -e -f -t rpm-md https://dist.crystal-lang.org/rpm/ Crystal

Once the repository is configured, Crystal can be installed:

sudo zypper install crystal

When a new Crystal version is released you can upgrade Crystal using:

sudo zypper update crystal