$ git clone -n https://src.fedoraproject.org/rpms/mingw-qt6-qtbase.git /var/lib/mock/f38-build-side-42-init-devel-740817-27656/root/chroot_tmpdir/scmroot/mingw-qt6-qtbase
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-740817-27656/root/chroot_tmpdir/scmroot/mingw-qt6-qtbase'...
$ git fetch origin 14fa0864f62f542154c54a10c8532a8a76f817bf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-qt6-qtbase
 * [new ref]         14fa0864f62f542154c54a10c8532a8a76f817bf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 14fa086 Update to 6.4.3