On Sun, Nov 27, 2016 at 11:00:21AM -0800, Philip Langdale wrote:
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> On Sat, 26 Nov 2016 23:55:17 +0100
> Michael Niedermayer <mich...@niedermayer.cc> wrote:
> 
> > Hi all
> > 
> > The machine on which the coverity stuff is is old, both hw and OS.
> > the OS will no longer get security updates in a few months and the hw
> > does not always boot and its switched off most of the time.
> > and it has no other use anymore than running coverity. Ive tried
> > to find someone a while ago to take coverity testing over and i
> > thought timothy would maybe do it but he seems to not have had any
> > time to look into it ...
> > and de facto ive not run it regularly in the recent months.
> > So this is kinda a louder announcement that if you care about coverity
> > testing, you need to do something ...
> > 
> > thx
> > 
> > PS: work would involve installing every optional dependancy of FFmpeg
> > (and keep them updated as needed)
> > and regularly either manually or automatically git pull, build with
> > the coverity tools and upload Its not a huge amount of work but it is
> > work
> > 
> 
> Hi Michael,
> 
> I think we could do this using travis-ci.
> 
> https://scan.coverity.com/travis_ci
> 
> travis can be directly connected to the github mirror and then we set
> up a coverity job as covered in this doc.
> 
> It wouldn't even need to be configured to build - just run the coverity
> scan. I'd be happy to investigate this, but I'd need admin permissions
> on github to configure travis integration.

The way coverity works is by wraping around the compiler or something
gether lots of info and that is then uploaded
so you need configure and build

for coverity to check all optional code it needs all the headers
from nvidia, sdl, x11 to the most obscure.
if they arent installed coverity wouldnt be able to test these
components as the code would not be complete

so in whatever envirnment this is done all optional dependancies
must be installed one way or another.

i assume in the example on https://scan.coverity.com/travis_ci
build_command_prepend: ./configure
would be a very long command with many --enable*

also therese that limit:
https://scan.coverity.com/faq#frequency
    Up to 12 builds per week, with a maximum of 3 builds per day, for projects 
with fewer than 100K lines of code
    Up to   8 builds per week, with a maximum of 2 builds per day, for projects 
with 100K to 500K lines of code
    Up to   4 builds per week, with a maximum of 1 build per day, for projects 
with 500K to 1 million lines of code
    Up to   2 builds per week, with a maximum of 1 build per day, for projects 
with more than 1 million lines of code

so we cannot do coverity after every commit, a cronjob might be a
simpler choice that runs at the frequency that we can submit

Is there still an advantage in travis ci / would that still be
preferred?

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

I know you won't believe me, but the highest form of Human Excellence is
to question oneself and others. -- Socrates

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