$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtmultimedia.git /var/lib/mock/f40-build-2114441-50675/root/chroot_tmpdir/scmroot/qt6-qtmultimedia
Cloning into '/var/lib/mock/f40-build-2114441-50675/root/chroot_tmpdir/scmroot/qt6-qtmultimedia'...
$ git fetch origin a5e9e945b93b62b5a9e5a9e625ad0113ef45348d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtmultimedia
 * [new ref]         a5e9e945b93b62b5a9e5a9e625ad0113ef45348d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a5e9e94 6.6.1