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Re: [PATCH] Run postinstall scripts in a thread with progress bars- take 3

On Tue, 2003-03-25 at 11:00, Igor Pechtchanski wrote:

> > 3) reused in RunFindVisitor.
> No.  In fact, the code currently in RunFindVisitor is broken and will not
> work if there are subdirectories under /etc/postinstall.  What I would
> like to do (in a separate patch) is change FindVisitor so that basePath is
> the POSIX path, rather than the Windows one.  We can then simply
> concatenate the filename to it and use that.

Ok. There aren't allowed to directories under /etc/postinstall BTW.

> > run_package_scripts cries our for a helper class IMO.
> >
> > i.e. ScriptRunner with
> > a) constructor
> > b) destructor
> > c) run(std::vector<Script> const &) method.
> > d) operator () (Script const &aScript) method.
> I don't see the benefit of run(); it'll be subsumed by operator(), IMO.
> Otherwise, I'll give it a shot.

well, you'll have one instance of ScriptRunner for both the dependency
order package scripts, and the found-by-filename scripts. If you have
pre-running-a-vector or post-running-a-vector code, then that belongs in
run(). If that code goes into the constructor, then sure, eliminate

> > this:
> > for (std::vector<Script>::iterator script = scripts.begin();
> > +       script != scripts.end();
> > +       ++script)
> >
> > then becomes
> > *this = for_each (scripts.begin(), scripts.end(), *this);
> We could probably just lose the return value...

Check the template, IIRC it takes a copy of the object, calls the copy's
operator (), then returns a copy of the copy.

i.e. if we want failure stats, script run counts etc, we need the return

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