$ git clone -n https://src.fedoraproject.org/rpms/digikam.git /var/lib/mock/f41-build-side-1-3140032-39873/root/chroot_tmpdir/scmroot/digikam
Cloning into '/var/lib/mock/f41-build-side-1-3140032-39873/root/chroot_tmpdir/scmroot/digikam'...
$ git fetch origin 2b57ceaf550c58ba3f8bf63aec5883785c1a016c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/digikam
 * [new ref]         2b57ceaf550c58ba3f8bf63aec5883785c1a016c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2b57cea digiKam-8.5.0