$ git clone -n https://src.fedoraproject.org/rpms/qxmpp.git /var/lib/mock/f40-build-805372-144765/root/chroot_tmpdir/scmroot/qxmpp
Cloning into '/var/lib/mock/f40-build-805372-144765/root/chroot_tmpdir/scmroot/qxmpp'...
$ git fetch origin bee292bbe090f8db3d7332f5aeed1d179b245796:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qxmpp
 * [new ref]         bee292bbe090f8db3d7332f5aeed1d179b245796 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bee292b [packit] 1.6.0 upstream release