$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtmultimedia.git /var/lib/mock/f38-build-side-42-init-devel-1039581-29753/root/chroot_tmpdir/scmroot/qt6-qtmultimedia
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1039581-29753/root/chroot_tmpdir/scmroot/qt6-qtmultimedia'...
$ git fetch origin d726d9cd68bbadead5ca2525d5b5d0fd611510f9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtmultimedia
 * [new ref]         d726d9cd68bbadead5ca2525d5b5d0fd611510f9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d726d9c 6.5.2