$ git clone -n https://gitee.com/etux/qt6-qtbase.git /var/lib/mock/f38-build-side-42-init-devel-1030326-29709/root/chroot_tmpdir/scmroot/qt6-qtbase
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1030326-29709/root/chroot_tmpdir/scmroot/qt6-qtbase'...
$ git fetch origin a5d31b7c82e906324cbf229a6adcc8cd6695cda9:KOJI_FETCH_HEAD
From https://gitee.com/etux/qt6-qtbase
 * [new ref]         a5d31b7c82e906324cbf229a6adcc8cd6695cda9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a5d31b7 Disable SSE2 on riscv64 (Reference: http://fedora.riscv.rocks:3000/rpms/qt6-qtbase/commit/c6e3b73ea4f9f38e1c800d2d351fc60bee286e3b)