$ git clone -n https://src.fedoraproject.org/rpms/qt6-qthttpserver.git /var/lib/mock/f40-build-786432-134291/root/chroot_tmpdir/scmroot/qt6-qthttpserver
Cloning into '/var/lib/mock/f40-build-786432-134291/root/chroot_tmpdir/scmroot/qt6-qthttpserver'...
$ git fetch origin 57cb64bf55cc24e22abe13522e27e7264c8b88a2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qthttpserver
 * [new ref]         57cb64bf55cc24e22abe13522e27e7264c8b88a2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 57cb64b 6.6.2