$ git clone -n https://src.fedoraproject.org/rpms/qt5-qttools.git /var/lib/mock/f40-build-800402-143528/root/chroot_tmpdir/scmroot/qt5-qttools
Cloning into '/var/lib/mock/f40-build-800402-143528/root/chroot_tmpdir/scmroot/qt5-qttools'...
$ git fetch origin ee2bdf25af929d7a12f5e6b72acd86f0da0957d0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt5-qttools
 * [new ref]         ee2bdf25af929d7a12f5e6b72acd86f0da0957d0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ee2bdf2 5.15.13