$ git clone -n https://src.fedoraproject.org/rpms/crosswords.git /var/lib/mock/f41-build-853066-166698/root/chroot_tmpdir/scmroot/crosswords
Cloning into '/var/lib/mock/f41-build-853066-166698/root/chroot_tmpdir/scmroot/crosswords'...
$ git fetch origin 9abefb64c535c7fcb54dc20f99ad6e29d3725e09:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/crosswords
 * [new ref]         9abefb64c535c7fcb54dc20f99ad6e29d3725e09 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9abefb6 Update to 0.3.13; Fixes: RHBZ#2281577