[FFmpeg-devel] [PATCH] web: Copy FFmpeg Logo by Makefile instead of cronjob

Michael Niedermayer michaelni at gmx.at
Wed Apr 25 16:37:49 CEST 2012

On Wed, Apr 25, 2012 at 02:22:02PM +0200, Thilo Borgmann wrote:
> Am 25.04.12 12:56, schrieb Michael Niedermayer:
> > On Sun, Apr 22, 2012 at 10:44:14PM +0200, Thilo Borgmann wrote:
> >> Am 22.04.12 19:46, schrieb Reimar Döffinger:
> >>> On Sun, Apr 22, 2012 at 07:36:30PM +0200, Michael Niedermayer wrote:
> >>>> On Sat, Apr 21, 2012 at 08:22:40PM +0200, Thilo Borgmann wrote:
> >>>>> Am 19.04.12 19:18, schrieb Michael Niedermayer:
> >>>>>>>  Makefile |   14 ++++++++++++--
> >>>>>>>  1 file changed, 12 insertions(+), 2 deletions(-)
> >>>>>>> 47b04de93a2e972467f8f6b6a55e63ac3f570b88  0001-web-Let-the-Makefile-copy-the-website-logo-according.patch
> >>>>>>> From 57ab223b421e83f75761bd7d77098bbf5fd5ea84 Mon Sep 17 00:00:00 2001
> >>>>>>> From: Thilo Borgmann <thilo.borgmann at googlemail.com>
> >>>>>>> Date: Tue, 17 Apr 2012 11:37:53 +0200
> >>>>>>> Subject: [PATCH] web: Let the Makefile copy the website logo according to src/logik.
> >>>>>>
> >>>>>> has the makefile been tested with all combinations of copy cases ?
> >>>>>
> >>>>> Just retestet. Works well for me for none/$(DATE)-standard/$(DATE).png files
> >>>>> with and without existing htdocs/ffmpeg-logo.png.
> >>>>
> >>>> have the consequences of this being run by a cron job and hook at the
> >>>> same time been considered ? that is race conditions ?
> >>>
> >>> The worst that should be possible to happen (assuming we keep the cron
> >>> job from running too close to midnight) is that there are two cps
> >>> running with same source and destination.
> >>> I don't know for sure but I'd expect that should not cause an issue.
> >>> (a bigger issue might be the web server reading the file while it's
> >>> still being copied, but I don't really think this is relevant either).
> >>
> >> Well the idea was not to keep the cron job, wasn't it?
> >>
> >> Otherwise I don't know if a lock file might help or even increase problematic
> >> situations.
> > 
> > if theres no cron job how should the logo change ?
> > the makefile is run when someone does a push, no push, no change.
> > if the makefile is run by a cronjob and the push hook then not only
> > does the whole website build run in parallel but a git push can
> > actually change the source files while the cronjob is runnung make
> > I had not realized this when the makefile discussions began ...
> > But this doesnt look safe to me. Also note while now we could limit the
> > cronjob to just mess with the logo, if we want some text to change
> > the website really needs a rebuild from the cronjob.
> > 
> > Also i think creating logos and organizing a contest to make them
> > is what is important. We have a working cronjob (thats disabled now but
> > can trivially be enabled again) that can switch the logos on a day by
> > day basis.
> My ideas about that are:
> - we should at least post a call for logos news entry
> - we might add a call for logos as a hover text for the logo (can be statically
> for the time being)


> What have we done to get the season logos? Can't we use that platform for a contest?

We got the season logos through google code in, but we arent in
googles summer of code this year so iam not sure if GCI is even
possible this year and it would be around december ...

> > If someone wants to write a makefile thats safe to be run in parallel
> > and has more features than the simply logo copy cronjob thats very
> > welcome, but i dont volunteer to write & debug such makefile. I
> > just volunteer to put it on the server after others wrote, reviewed and
> > tested it.
> Can the cronjob push a file into the repo and trigger a daily update of the
> website with that?

thats possible but a push will add a commit and a mailing list post
if someone writes a cronjob that only pushes when a change would
happen, then this may be an option.
iam happy to put a reviewed & tested cronjob on the server

> Or can the cronjob directly trigger a push event for the git
> repository?

i do not know that

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Many that live deserve death. And some that die deserve life. Can you give
it to them? Then do not be too eager to deal out death in judgement. For
even the very wise cannot see all ends. -- Gandalf
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