$ git clone -n https://src.fedoraproject.org/rpms/drumstick0.git /var/lib/mock/f41-build-1072476-19725/root/chroot_tmpdir/scmroot/drumstick0
Cloning into '/var/lib/mock/f41-build-1072476-19725/root/chroot_tmpdir/scmroot/drumstick0'...
$ git fetch origin 822070fde1ebff05a8f903f9470ddad75733ae3e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/drumstick0
 * [new ref]         822070fde1ebff05a8f903f9470ddad75733ae3e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 822070f Eliminate use of obsolete %patchN syntax (#2283636)