$ git clone -n https://src.fedoraproject.org/rpms/dvdisaster.git /var/lib/mock/f41-build-1018510-17947/root/chroot_tmpdir/scmroot/dvdisaster
Cloning into '/var/lib/mock/f41-build-1018510-17947/root/chroot_tmpdir/scmroot/dvdisaster'...
$ git fetch origin ab7e9eced78df46eb514687554d9b2f5fad4d91b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dvdisaster
 * [new ref]         ab7e9eced78df46eb514687554d9b2f5fad4d91b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ab7e9ec Eliminate use of obsolete %patchN syntax (#2283636)