$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtmultimedia.git /var/lib/mock/f41-build-861464-169783/root/chroot_tmpdir/scmroot/qt6-qtmultimedia
Cloning into '/var/lib/mock/f41-build-861464-169783/root/chroot_tmpdir/scmroot/qt6-qtmultimedia'...
$ git fetch origin 3b6ba5e7c55048a1fb558da5ff7520fab7947d5d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtmultimedia
 * [new ref]         3b6ba5e7c55048a1fb558da5ff7520fab7947d5d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3b6ba5e 6.8.0