$ git clone -n https://src.fedoraproject.org/rpms/rubygem-eventmachine.git /var/lib/mock/f33-build-124278-39658/root/chroot_tmpdir/scmroot/rubygem-eventmachine
Cloning into '/var/lib/mock/f33-build-124278-39658/root/chroot_tmpdir/scmroot/rubygem-eventmachine'...
$ git reset --hard 02bf1f15602fed277a25acbb5a6e78f33339d287
HEAD is now at 02bf1f1 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild