$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtmultimedia.git /var/lib/mock/f41-build-857160-167938/root/chroot_tmpdir/scmroot/qt6-qtmultimedia
Cloning into '/var/lib/mock/f41-build-857160-167938/root/chroot_tmpdir/scmroot/qt6-qtmultimedia'...
$ git fetch origin 1b7e451e62bfba73d86b0517d7951f08c542a341:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtmultimedia
 * [new ref]         1b7e451e62bfba73d86b0517d7951f08c542a341 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1b7e451 Rebuild for ffmpeg 7