Re: Shared distfiles over NFS for several machines

[Jason Bacon <outpaddling%yahoo.com@localhost>]

On 10/22/18 4:47 PM, Jonathan Perkin wrote:
> * On 2018-10-22 at 21:21 BST, Silas wrote:
>
> > I was just curious if some of you might have this problem: I have several
> > machines that build packages for different operating systems and
> > architectures.  Downloading distfiles over and over again doesn't sound a
> > good idea so I was thinking about having distfiles shared over NFS.  The
> > problem is that different machines might try to download the file at the
> > same time, possibly causing some conflict for the downloaded file.  AFAIK,
> > pkgsrc doesn't have anything like a lock for it, does it?
> I use NFS for this, both in data centres with fast connectivity and at
> home, and have probably only hit these issues once or twice in many
> years.
>
> They're easy to spot and fix, too.  Well worth the convenience in my
> opinion.
If you really want to avoid it, I would think one could set a fetch flag 
in mk.conf, depending on FETCH_CMD, or even wrap the fetch command in a 
simple script to detect and deal with collisions.