$ git clone -n https://src.fedoraproject.org/rpms/dtkmultimedia.git /var/lib/mock/f45-build-47250-865/root/chroot_tmpdir/scmroot/dtkmultimedia
Cloning into '/var/lib/mock/f45-build-47250-865/root/chroot_tmpdir/scmroot/dtkmultimedia'...
$ git fetch origin a9d86930435638dd101291f04dc10e13683880ca:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dtkmultimedia
 * [new ref]         a9d86930435638dd101291f04dc10e13683880ca -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a9d8693 Rebuilt for OpenCV 4.13