$ git clone -n https://src.fedoraproject.org/rpms/cups-filters.git /var/lib/mock/f41-build-side-1-2633678-25949/root/chroot_tmpdir/scmroot/cups-filters
Cloning into '/var/lib/mock/f41-build-side-1-2633678-25949/root/chroot_tmpdir/scmroot/cups-filters'...
$ git fetch origin 393fd69e1d7e8fe212e325a36f4487037f6d8e40:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cups-filters
 * [new ref]         393fd69e1d7e8fe212e325a36f4487037f6d8e40 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 393fd69 2.0.1