$ git clone -n https://src.fedoraproject.org/rpms/python-pyspike.git /var/lib/mock/f39-build-1455006-32912/root/chroot_tmpdir/scmroot/python-pyspike
Cloning into '/var/lib/mock/f39-build-1455006-32912/root/chroot_tmpdir/scmroot/python-pyspike'...
$ git fetch origin 598bc35dae4ae0e14e65edca2d40282706ed8f84:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pyspike
 * [new ref]         598bc35dae4ae0e14e65edca2d40282706ed8f84 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 598bc35 Use Cython < 3~~ (RHBZ#2226301)