$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtserialbus.git /var/lib/mock/f38-build-side-42-init-devel-823119-28352/root/chroot_tmpdir/scmroot/qt6-qtserialbus
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-823119-28352/root/chroot_tmpdir/scmroot/qt6-qtserialbus'...
$ git fetch origin db97aa26e8aa0bac40f08abbcba03d2290efe412:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtserialbus
 * [new ref]         db97aa26e8aa0bac40f08abbcba03d2290efe412 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at db97aa2 6.4.3