$ git clone -n https://src.fedoraproject.org/rpms/socnetv.git /var/lib/mock/f39-build-2073944-49361/root/chroot_tmpdir/scmroot/socnetv
Cloning into '/var/lib/mock/f39-build-2073944-49361/root/chroot_tmpdir/scmroot/socnetv'...
$ git fetch origin 17946820820c395875ac74a4100a03ba32579df5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/socnetv
 * [new ref]         17946820820c395875ac74a4100a03ba32579df5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1794682 Close #2223266