$ git clone -n https://src.fedoraproject.org/rpms/golang-github-sevlyar-daemon.git /var/lib/mock/f40-build-2236557-53513/root/chroot_tmpdir/scmroot/golang-github-sevlyar-daemon
Cloning into '/var/lib/mock/f40-build-2236557-53513/root/chroot_tmpdir/scmroot/golang-github-sevlyar-daemon'...
$ git fetch origin 6df102a8f0a9ebbe4a346a484d69aa8a89d813c9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-sevlyar-daemon
 * [new ref]         6df102a8f0a9ebbe4a346a484d69aa8a89d813c9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6df102a Remove deprecated %patchN syntax