$ git clone -n https://src.fedoraproject.org/rpms/seeker.git /var/lib/mock/f41-build-1049385-19179/root/chroot_tmpdir/scmroot/seeker
Cloning into '/var/lib/mock/f41-build-1049385-19179/root/chroot_tmpdir/scmroot/seeker'...
$ git fetch origin 90483c3443da92facfc5d8adbf80127f762856a7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/seeker
 * [new ref]         90483c3443da92facfc5d8adbf80127f762856a7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 90483c3 Eliminate use of obsolete %patchN syntax (#2283636)