Locating obsolete ports distfiles

[John Nielsen]

On Monday 22 August 2005 12:43 am, Mike Meyer wrote:
> In <20050822043647.GB37107 at cirb503493.alcatel.com.au>, Peter Jeremy 
<PeterJeremy at optushome.com.au> typed:
> > I currently have just over 8GB is /usr/ports/distfiles.  Some of these
> > files are more than 10 years old and long obsolete.  Does anyone have
> > any suggestions on how to identify which files are no longer referenced
> > by current ports?
> >
> > Doing a 'make checksum' on every installed port and then looking at
> > the atimes is one approach but this doesn't handle:
> > - ports that I don't currently have installed but might need
> > - ports installed on systems that mount /usr/ports readonly
>
> Install sysutils/portupgrade, and do a "portsclean -D". That will
> remove all the distfiles that aren't referenced by any port in the
> tree. Do "portsclean -DD" and it'll remove all distfiles not used by
> an installed port.

Alternatively there is the distclean.sh script in ports/Tools/scripts.  Run 
it with the -f switch to delete outdated distfiles without confirmation.

JN