$ git clone -n https://src.fedoraproject.org/rpms/frysk.git /var/lib/mock/f41-build-801600-13688/root/chroot_tmpdir/scmroot/frysk
Cloning into '/var/lib/mock/f41-build-801600-13688/root/chroot_tmpdir/scmroot/frysk'...
$ git fetch origin df3591df6c9f90f506887c1e78c2e5abee455448:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/frysk
 * [new ref]         df3591df6c9f90f506887c1e78c2e5abee455448 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at df3591d Eliminate use of obsolete %patchN syntax (#2283636)