$ git clone -n https://src.fedoraproject.org/rpms/python-colour.git /var/lib/mock/f45-build-30078-642/root/chroot_tmpdir/scmroot/python-colour
Cloning into '/var/lib/mock/f45-build-30078-642/root/chroot_tmpdir/scmroot/python-colour'...
$ git fetch origin 326a3ce9d010626931b95374fa8bbe62446f89ad:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-colour
 * [new ref]         326a3ce9d010626931b95374fa8bbe62446f89ad -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 326a3ce Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild