$ git clone -n https://src.fedoraproject.org/rpms/python-dbus-signature-pyparsing.git /var/lib/mock/f45-build-30244-643/root/chroot_tmpdir/scmroot/python-dbus-signature-pyparsing
Cloning into '/var/lib/mock/f45-build-30244-643/root/chroot_tmpdir/scmroot/python-dbus-signature-pyparsing'...
$ git fetch origin 4c99cc0537165bef160100a3336c8c13f6a527b7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-dbus-signature-pyparsing
 * [new ref]         4c99cc0537165bef160100a3336c8c13f6a527b7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4c99cc0 Update to 0.4.3