$ git clone -n https://src.fedoraproject.org/rpms/pcmanfm-qt.git /var/lib/mock/f41-build-side-1-2787864-32629/root/chroot_tmpdir/scmroot/pcmanfm-qt
Cloning into '/var/lib/mock/f41-build-side-1-2787864-32629/root/chroot_tmpdir/scmroot/pcmanfm-qt'...
$ git fetch origin e16f915ce14f72edaec860986347fec2aa1da86e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pcmanfm-qt
 * [new ref]         e16f915ce14f72edaec860986347fec2aa1da86e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e16f915 2.0.0