$ git clone -n https://src.fedoraproject.org/rpms/python-csscompressor.git /var/lib/mock/f45-build-30140-643/root/chroot_tmpdir/scmroot/python-csscompressor
Cloning into '/var/lib/mock/f45-build-30140-643/root/chroot_tmpdir/scmroot/python-csscompressor'...
$ git fetch origin 04b2732f1e645b7c6f98ba06f2a1404d27563514:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-csscompressor
 * [new ref]         04b2732f1e645b7c6f98ba06f2a1404d27563514 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 04b2732 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild