$ git clone -n https://src.fedoraproject.org/rpms/koverartist.git /var/lib/mock/f41-build-1201443-22419/root/chroot_tmpdir/scmroot/koverartist
Cloning into '/var/lib/mock/f41-build-1201443-22419/root/chroot_tmpdir/scmroot/koverartist'...
$ git fetch origin ff0087a7cf58be92a96df322d93547fa65568d49:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/koverartist
 * [new ref]         ff0087a7cf58be92a96df322d93547fa65568d49 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ff0087a Eliminate use of obsolete %patchN syntax (#2283636)