$ git clone -n https://src.fedoraproject.org/rpms/digikam.git /var/lib/mock/f41-build-828064-155531/root/chroot_tmpdir/scmroot/digikam
Cloning into '/var/lib/mock/f41-build-828064-155531/root/chroot_tmpdir/scmroot/digikam'...
$ git fetch origin 64a18a05e2a75451b19df95c937b51cab5227ae0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/digikam
 * [new ref]         64a18a05e2a75451b19df95c937b51cab5227ae0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 64a18a0 Rebuild for opencv 4.10.0