$ git clone -n https://src.fedoraproject.org/rpms/nomacs.git /var/lib/mock/f41-build-823098-153468/root/chroot_tmpdir/scmroot/nomacs
Cloning into '/var/lib/mock/f41-build-823098-153468/root/chroot_tmpdir/scmroot/nomacs'...
$ git fetch origin 9ac8e27e6dce573e3ff6e7bcf53583829590d3a9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nomacs
 * [new ref]         9ac8e27e6dce573e3ff6e7bcf53583829590d3a9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9ac8e27 Rebuild for opencv 4.10.0