$ git clone -n https://src.fedoraproject.org/rpms/dosbox-staging.git /var/lib/mock/f41-build-841750-161398/root/chroot_tmpdir/scmroot/dosbox-staging
Cloning into '/var/lib/mock/f41-build-841750-161398/root/chroot_tmpdir/scmroot/dosbox-staging'...
$ git fetch origin 48744e2b83aef8673cf0de7fe7f050ac1b0e7114:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dosbox-staging
 * [new ref]         48744e2b83aef8673cf0de7fe7f050ac1b0e7114 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 48744e2 Update to 0.81.2 (rhbz#2299159)