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From: Royce Williams <royce@tycho.org>
Date: Sun, 16 Nov 2014 14:10:00 -0900
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Subject: Re: Deleting ports distfiles
To: andrew clarke <mail@ozzmosis.com>
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Cc: FreeBSD Mailing List <freebsd-ports@freebsd.org>,
 "Dr. Peter Voigt" <pvoigt@uos.de>
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On Sun, Nov 16, 2014 at 1:55 PM, andrew clarke <mail@ozzmosis.com> wrote:
> On Sun 2014-11-16 23:29:37 UTC+0100, Dr. Peter Voigt (pvoigt@uos.de) wrote:
>
>> I have just seen that /usr/ports/distfiles has grown up to 12 GiB. My
>> hopefully not too stupid question is: Can I safely delete all files
>> under /usr/ports/distfiles, e.g.
>>
>> # rm -rf /usr/ports/distfiles/*
>>
>> I strongly suppose so but I am not sure. Thanks for any feedback.
>
> Yes. Missing distfiles will be redownloaded when/if you rebuild a port.

You can also delete just the unused ones, if you're using portmaster
or portupgrade ('portsclean' command).  See the bottom of the "Using
the Ports Collection" docs page:

https://www.freebsd.org/doc/handbook/ports-using.html

Even if you don't use portmaster for anything else, using it for this
purpose is worth the install, IMO.

Royce