$ git clone -n https://src.fedoraproject.org/rpms/nomacs.git /var/lib/mock/f42-build-3280169-41340/root/chroot_tmpdir/scmroot/nomacs
Cloning into '/var/lib/mock/f42-build-3280169-41340/root/chroot_tmpdir/scmroot/nomacs'...
$ git fetch origin d1faecf6eee3ddc2476d369ca87f77421e222f7c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nomacs
 * [new ref]         d1faecf6eee3ddc2476d369ca87f77421e222f7c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d1faecf Rebuild for opencv-4.11.0