$ git clone -n https://src.fedoraproject.org/rpms/python-scrapy.git /var/lib/mock/f45-build-32917-665/root/chroot_tmpdir/scmroot/python-scrapy
Cloning into '/var/lib/mock/f45-build-32917-665/root/chroot_tmpdir/scmroot/python-scrapy'...
$ git fetch origin 598f98f81dfc710e54ae336cc0b5def0e3a7e784:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-scrapy
 * [new ref]         598f98f81dfc710e54ae336cc0b5def0e3a7e784 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 598f98f Update to 2.18.0. Fixes rhbz#2520589