$ git clone -n https://src.fedoraproject.org/rpms/qt6-qttools.git /var/lib/mock/f38-build-side-42-init-devel-573775-25940/root/chroot_tmpdir/scmroot/qt6-qttools
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-573775-25940/root/chroot_tmpdir/scmroot/qt6-qttools'...
$ git fetch origin 40986c007221df065b011b1b9f6ac81c7f5ad0a0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qttools
 * [new ref]         40986c007221df065b011b1b9f6ac81c7f5ad0a0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 40986c0 6.4.3