$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtmultimedia.git /var/lib/mock/f45-build-34135-678/root/chroot_tmpdir/scmroot/qt6-qtmultimedia
Cloning into '/var/lib/mock/f45-build-34135-678/root/chroot_tmpdir/scmroot/qt6-qtmultimedia'...
$ git fetch origin 26e6592e21e6895057c960a9a108bac925fad661:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtmultimedia
 * [new ref]         26e6592e21e6895057c960a9a108bac925fad661 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 26e6592 Rebuilt for FFmpeg 9