!portsnap 
初回
 portsnap fetch 
 portsnap extract
2回目以降
 portsnap fetch 
 portsnap update

! 障害 1
 # portsnap fetch
 
 Applying patches... done.
 Fetching 106 new ports or files... gunzip: unknown compression format
 snapshot is corrupt.

対応
 # rm /var/db/portsnap/tag 
 # portsnap fetch extract

!! メモ
! ports で PROXY を使う
 # setenv HTTP_PROXY "http://your-proxy.host:8080"
 # setenv HTTPS_PROXY "http://your-proxy.host:8080"
 # # setenv HTTP_PROXY_AUTH "basic:*:userid:password"
 # setenv HTTP_TIMEOUT 600
 #
 # cd /usr/ports/section/program
 # make 
 # make install

!! ports の管理を git で
*https://qiita.com/nyanco/items/1084a8c396b3942c3007