$ git clone -n https://src.fedoraproject.org/rpms/mingw-qt6-qtbase.git /var/lib/mock/f39-build-1822842-41843/root/chroot_tmpdir/scmroot/mingw-qt6-qtbase
Cloning into '/var/lib/mock/f39-build-1822842-41843/root/chroot_tmpdir/scmroot/mingw-qt6-qtbase'...
$ git fetch origin 65533339775694118ebe7d9c584368e45f5183da:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-qt6-qtbase
 * [new ref]         65533339775694118ebe7d9c584368e45f5183da -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6553333 Fix %%files