MFC 296280:

PR: 202971
Submitted by: adamw@FreeBSD.org
Reviewed by: bdrewery@
Approved by: wblock@
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D5429

Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

mdoc sweep

mdoc sweep.

Remove cvs/cvsup reference.

Change "only only" to "only" in portsnap(8).

Spotted by: Ruslan Mahmatkhanov
Approved by: gabor (mentor, implicit)

Add a note to portsnap(8) about the behaviour of the example cron command.

PR: docs/171759
Submitted by: Paul Hoffman (phoffman at proper dot com)
Approved by: cperciva, gabor (mentor)
MFC after: 3 days

Add interactive option to override portsnap's automagical detection of
a terminal.

Submitted by: Hannes h2+fbsdports@fsfe.org
Approved by: cperciva
MFC after: 1 week

mdoc: drop redundant .Pp and .LP calls

They have no effect when coming in pairs, or before .Bl/.Bd

Fix typos, spelling, formatting and mdoc mistakes found by Nobuyuki while
translating these manual pages. Minor corrections by me.

Submitted by: Nobuyuki Koganemaru <n-kogane@syd.odn.ne.jp>

- remove superfluous word

PR: docs/127401
Submitted by: Mick Charles Beaver <mick@cs.wisc.edu>
MFC after: 1 week

Attempt to reduce the rate of foot-shooting injuries by adding a new
paragraph clarifying that portsnap does not behave the same way as
cvs and cvsup where local modifications are concerned.

Submitted by: peter
Feet shot: peter, kris, obrien, + many others

Markup fixes.

Fix typo.

Pointed out by: ceri

Add a mechanism for constructing INDEX files which include local ports.

Requested by: brooks

Reference sha256(1) instead of sha256(8), which doesn't exist.

Approved by: cognet (mentor)
MFC after: 3 days

Expand contractions.

Mention that the random time slept by "portsnap cron" is between 1 and
3600 seconds.

Suggested by: Niki Denev
MFC after: 3 days

Add a note pointing out that certain information (IP address, list of
files fetched, FreeBSD release level) is transmitted to the portsnap
server when portsnap is run, but that this information is only used
anonymously and in aggregate.

Misc mdoc(7) fixes:
- Bump document date for recent updates.
- Use .Fx for FreeBSD.
- Remove EOL whitespace.
- Start new sentences on new lines.

Reviewed by: cperciva

Allow multiple commands to be specified on a single command line, e.g.,
"portsnap fetch update" or "portsnap -I cron update". They will be
executed in the order that they appear, and duplicates are not removed
(so "portsnap fetch fetch fetch fetch" is meaningful, albeit rather
silly).

Requested by: Roman Divacky

Add portsnap to the base system. This is a secure, easy to use,
fast, lightweight, and generally good way for users to keep their
ports trees up to date.

This is version 0.9.4 from the ports tree (sysutils/portsnap) with
the following changes:
1. The experimental pipelined http code is enabled. No seatbelts
in -CURRENT. (^_^)
2. The working directory has moved from /usr/local/portsnap to
/var/db/portsnap (as discussed on -arch two days ago).
3. Portsnap now fetches a list of mirrors (distributed as DNS SRV
records) and selects one randomly. This should help to avoid the
uneven loading which plagues the cvsup mirror network.
4. The license is now 2-clause BSD instead of 3-clause BSD.
5. Various incidental changes to make portsnap fit into the base
system's build mechanics.

X-MFC-After: 6.0-RELEASE
X-MFC-Before: 5.5-RELEASE
X-MFC-To: RELENG_6, RELENG_5, ports
discussed on: -arch and several other places
"yes please" from: simon, remko, flz, Diane Bruce
thinks this is a great idea: bsdimp
Hopes he didn't forget any files: cperciva