$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtmultimedia.git /var/lib/mock/f42-build-3419584-45162/root/chroot_tmpdir/scmroot/qt6-qtmultimedia
Cloning into '/var/lib/mock/f42-build-3419584-45162/root/chroot_tmpdir/scmroot/qt6-qtmultimedia'...
$ git fetch origin fa698574d5a9213101aab7bcc6d54fe5b3523946:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtmultimedia
 * [new ref]         fa698574d5a9213101aab7bcc6d54fe5b3523946 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa69857 Remove -DQT_FEATURE_alsa=ON as it's detected automatically