$ git clone -n https://src.fedoraproject.org/rpms/rubygem-eventmachine.git /var/lib/mock/f40-build-772444-126416/root/chroot_tmpdir/scmroot/rubygem-eventmachine
Cloning into '/var/lib/mock/f40-build-772444-126416/root/chroot_tmpdir/scmroot/rubygem-eventmachine'...
$ git reset --hard b3a1ee8559df6a432d74b03d6c411ed64ec6f055
HEAD is now at b3a1ee8 Rebuilt for https://fedoraproject.org/wiki/Changes/Ruby_3.3