$ git clone -n https://src.fedoraproject.org/rpms/PackageKit-Qt.git /var/lib/mock/f40-build-2014375-45970/root/chroot_tmpdir/scmroot/PackageKit-Qt
Cloning into '/var/lib/mock/f40-build-2014375-45970/root/chroot_tmpdir/scmroot/PackageKit-Qt'...
$ git fetch origin a8d852664841be1d9890d9a523acf85c6153ad1d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/PackageKit-Qt
 * [new ref]         a8d852664841be1d9890d9a523acf85c6153ad1d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a8d8526 Add PackageKit-Qt6 build