$ git clone -n https://src.fedoraproject.org/rpms/simarrange.git /var/lib/mock/f40-build-2508246-61703/root/chroot_tmpdir/scmroot/simarrange
Cloning into '/var/lib/mock/f40-build-2508246-61703/root/chroot_tmpdir/scmroot/simarrange'...
$ git fetch origin 16dc6ef7e2a0da39328d17500c197729c8c0dd0c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/simarrange
 * [new ref]         16dc6ef7e2a0da39328d17500c197729c8c0dd0c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 16dc6ef Rebuild for opencv 4.9.0