On Sat, Mar 01, 2014 at 06:16:26PM -0800, J. Liles wrote:
> On Sat, Mar 1, 2014 at 6:54 AM, Lieven Moors <[email protected]> wrote:
> 
> > On Thu, Feb 20, 2014 at 11:47:12PM +0100, Lieven Moors wrote:
> > > > > Yes. The only reason the snapshot would be out of sync with the
> > history is
> > > > > if non-timeline is closed abnormally. If this happens, upon the next
> > > > > opening, non-timeline will load by replaying the entire history
> > instead of
> > > > > utilizing the outdated snapshot. You can detect this scenario in your
> > > > > scripts by comparing the file timestamps.
> > >
> > > Sorry to reply to myself, but wouldn't it be best to add this to the
> > > remove-unused-sources script? I had a quick look, but it doesn't seem to
> > > compare file timestamps, in order to decide for $ONLY_COMPACTED...
> >
> > When thinking about it, this still wouldn't solve my problem.
> > I've been making commits in git while non-timeline was running.
> > In that case the history file would contain information that is
> > needed to clean up unused sources.
> >
> > So for me it would be very useful if there would be an option to the
> > non programs, that would just replay the journal, make a snapshot, and
> > quit.
> > Also, that would make it possible to use the remove-unused-sources script
> > in all circumstances.
> >
> > But I can understand if you wouldn't care too much for this specific
> > use case.
> >
> >
> So, are you hoping to do this after every time you close a session or
> something? Personally, I only use the remove-unused-sources script on

As I said, I use git to keep track of different versions of the song.
When I do a git-commit with timeline running, I have a commit where the
session needs compaction. What I want to do is checkout all git-commits 
one by one, make sure the timeline session is compacted, adapt the 
remove-unused-sources script to store the list of unused sources for that 
commit, add them to the list of unused sources of the previous commit, 
and so on... (or maybe collect a list of used sources...) In the end 
I have a list of all sources that can be removed, without breaking the 
"commit" sessions.

> session that A) I know involved a lot of extra takes and B) is completely
> finished to the point where I feel complete confidence in deleting the
> unused takes and their sources. And this brings up another point. If you
> have old takes, their sources will still be 'used' until you delete the
> takes (but if you're not using the 'takes' feature, then what you see on
> the timeline is all that will be considered 'used' after compaction).

Yes, I know that. I might make a script to remove unused takes as well,
but then I would also need to make sure the session is compacted.
Otherwise, at least for my git sessions, I would need to take the history 
_and_ snapshot file into account, which IMHO is not a very elegant 
solution...

> 
> I should also point out that the format of the 'history' file is very
> simple and it would be fairly easy for someone to write e.g. a perl script
> that parses it line by line and tracks the creation/deletion of regions to
> identify the final set of in-use files.

Yes, I've studied the history and snapshot files, and they are very simple. 
I do want to write scripts, but I'm not sure if I'm prepared to parse
the history file as well.

> 
> I might be able to add a commandline option to run the compaction operation
> and then exit, but ensuring that it works without opening the GUI might
> take some effort.

If you do, I'll be a happy bunny ;-)

greetings,

lieven


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