$ git clone -n https://src.fedoraproject.org/rpms/opencv.git /var/lib/mock/f42-build-864548-172426/root/chroot_tmpdir/scmroot/opencv
Cloning into '/var/lib/mock/f42-build-864548-172426/root/chroot_tmpdir/scmroot/opencv'...
$ git fetch origin 0b8a44ecd00c96e4817b302b26489f4d236eb847:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/opencv
 * [new ref]         0b8a44ecd00c96e4817b302b26489f4d236eb847 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0b8a44e Rebuild with numpy 2.x (rhbz#2333781)