$ git clone -n https://src.fedoraproject.org/rpms/389-ds-base.git /var/lib/mock/f41-build-813457-148684/root/chroot_tmpdir/scmroot/389-ds-base
Cloning into '/var/lib/mock/f41-build-813457-148684/root/chroot_tmpdir/scmroot/389-ds-base'...
$ git fetch origin 0dd17702a837ffbdd30e0d21961748c73a4a038b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/389-ds-base
 * [new ref]         0dd17702a837ffbdd30e0d21961748c73a4a038b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0dd1770 Use bundled libdb on RHEL and ELN