$ git clone -n https://src.fedoraproject.org/rpms/sblim-sfcb.git /var/lib/mock/f41-build-1049347-19179/root/chroot_tmpdir/scmroot/sblim-sfcb
Cloning into '/var/lib/mock/f41-build-1049347-19179/root/chroot_tmpdir/scmroot/sblim-sfcb'...
$ git fetch origin e78b910da4588e7351daefe024764ae6679f5bf3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sblim-sfcb
 * [new ref]         e78b910da4588e7351daefe024764ae6679f5bf3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e78b910 Eliminate use of obsolete %patchN syntax (#2283636)