...
$ sudo zfs create rpool/export/sfeoi
$ sudo chown <userid>:staff /export/sfeoi
$ pkgrepo create -s /export/sfeoi
$ pkgrepo setadd-publisher -s /export/sfeoi publisher/prefix=sfe
$ pkgrepo rebuild -s /export/sfeoi
$ sudo zfs snapshot rpool/export/sfeoi@empty
$ sudo pkg set-publisher -g file:///export/sfeoi/ sfe
...
audio/mpd (sfeoi) 0.19.15-2013.0.0.0 i--
audio/mpd/gmpc (sfeoi) 11.8.16-2013.0.0.0 i--
audio/mpd/mpc (sfeoi) 0.27-2013.0.0.0 i--
audio/mpd/mpdscribble (sfeoi) 0.22-2013.0.0.0 i--
audio/mpd/ncmpcpp (sfeoi) 0.5.10-2013.0.0.0 ---
audio/mpd/qmpdclient (sfeoi) 1.2.2-2013.0.0.0 i--
audio/mpg123 (sfeoi) 1.23.4-2013.0.0.0 i--
desktop/irc/quassel (sfeoi) 0.12.4-2013.0.0.0 i--
desktop/kchmviewer (sfeoi) 7.5-2013.0.0.0 i--
desktop/note-taking/xournal (sfeoi) 0.4.8-2013.0.0.0 i--
desktop/publishing/lyx (sfeoi) 2.2.1-2013.0.0.0 i--
desktop/spreadsheet/gnumeric (sfeoi) 1.10.14-2013.0.0.0 i--
desktop/word-processor/abiword (sfeoi) 2.9.4-2013.0.0.0 i--
developer/versioning/qgit (sfeoi) 2.3-2013.0.0.0 i--
library/audio/libao (sfeoi) 1.2.0-2013.0.0.0 i--
library/audio/libshout (sfeoi) 2.2.2-2013.0.0.0 i--
library/audio/mpd/libmpd (sfeoi) 11.8.17-2013.0.0.0 i--
library/audio/mpd/libmpdclient (sfeoi) 2.10-2013.0.0.0 i--
library/audio/wavpack (sfeoi) 4.70.0-2013.0.0.0 i--
library/libzip (sfeoi) 1.0.1-2013.0.0.0 i--
library/video/x264 (sfeoi) 0.148.0.20160810-2013.0.0.0 i--
media/mpv (sfeoi) 0.18.1-2013.0.0.0 i--
media/wildmidi (sfeoi) 0.2.3.5-2013.0.0.0 i--
service/network/imap/dovecot (sfeoi) 2.2.21-2013.0.0.0 ---
sfe/developer/versioning/git (sfeoi) 2.9.1-2013.0.0.0 i--
text/kdiff3 (sfeoi) 0.9.98-2013.0.0.0 i--
text/texlive (sfeoi) 2016-2013.0.0.0 ---
text/texlive/texmf (sfeoi) 2016-2013.0.0.0 ---
video/ffmpeg (sfeoi) 3.1.2-2013.0.0.0 i--
video/youtube-dl (sfeoi) 2016.8.10-2013.0.0.0 i--
...