$ git clone -n https://src.fedoraproject.org/rpms/digikam.git /var/lib/mock/f40-build-2651130-66880/root/chroot_tmpdir/scmroot/digikam
Cloning into '/var/lib/mock/f40-build-2651130-66880/root/chroot_tmpdir/scmroot/digikam'...
$ git fetch origin 5c61127c492bbbd6388914415783c2fdf3611402:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/digikam
 * [new ref]         5c61127c492bbbd6388914415783c2fdf3611402 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5c61127 digiKam-8.3.0