$ git clone -n https://src.fedoraproject.org/rpms/python-gmpy2.git /var/lib/mock/f41-build-814836-149209/root/chroot_tmpdir/scmroot/python-gmpy2
Cloning into '/var/lib/mock/f41-build-814836-149209/root/chroot_tmpdir/scmroot/python-gmpy2'...
$ git fetch origin 53ab0132065459e1ec0856961b13b01ca7cd6698:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-gmpy2
 * [new ref]         53ab0132065459e1ec0856961b13b01ca7cd6698 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 53ab013 Avoid unwanted dependencies on RHEL