$ git clone -n https://src.fedoraproject.org/rpms/rubygem-ref.git /var/lib/mock/f38-build-side-42-init-devel-427255-17771/root/chroot_tmpdir/scmroot/rubygem-ref
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-427255-17771/root/chroot_tmpdir/scmroot/rubygem-ref'...
$ git reset --hard 3a9ec91b8c1e4b407ff8f268a4287f2cb6e0568c
HEAD is now at 3a9ec91 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild