$ git clone -n https://src.fedoraproject.org/rpms/libva-v4l2-request.git /var/lib/mock/f40-build-2278802-55286/root/chroot_tmpdir/scmroot/libva-v4l2-request
Cloning into '/var/lib/mock/f40-build-2278802-55286/root/chroot_tmpdir/scmroot/libva-v4l2-request'...
$ git fetch origin 64e5a2e3fa502411f9e621432401b09a97dbe2d0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libva-v4l2-request
 * [new ref]         64e5a2e3fa502411f9e621432401b09a97dbe2d0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 64e5a2e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild