$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtmultimedia.git /var/lib/mock/f41-build-808394-145835/root/chroot_tmpdir/scmroot/qt6-qtmultimedia
Cloning into '/var/lib/mock/f41-build-808394-145835/root/chroot_tmpdir/scmroot/qt6-qtmultimedia'...
$ git fetch origin f82bc9cc39ffbbcef4677121883f4b931d611a46:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtmultimedia
 * [new ref]         f82bc9cc39ffbbcef4677121883f4b931d611a46 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f82bc9c Update %files section