$ git clone -n http://git.inferitos.ru/rpms/rubygem-eventmachine.git /var/lib/mock/inferit-9-extras-build-20370-33680/root/chroot_tmpdir/scmroot/rubygem-eventmachine
Cloning into '/var/lib/mock/inferit-9-extras-build-20370-33680/root/chroot_tmpdir/scmroot/rubygem-eventmachine'...
$ git fetch origin 66eee32:KOJI_FETCH_HEAD
fatal: couldn't find remote ref 66eee32
$ git reset --hard 66eee32
HEAD is now at 66eee32 import rubygem-eventmachine-1.2.7-21.el9