Re: [PATCH] Postinstall script ordering in setup - take 2

[Igor Pechtchanski <pechtcha at cs dot nyu dot edu>]

On Tue, 4 Mar 2003, Max Bowsher wrote:

> Igor Pechtchanski wrote:
> > On Tue, 4 Mar 2003, Pierre A. Humblet wrote:
> >
> >> At 06:52 PM 3/4/2003 -0000, Max Bowsher wrote:
> >>>
> >>> Do we also need a way to mark 'high-priority' scripts?
> >>> i.e. ones that should run before all others.
> >>>
> >>> I'm thinking about passwd-grp.sh mainly.
> >>
> >> Good point. Any other script doing a chown would need it, but that's
> >> all I can think of (so far).
> >>
> >> Starting with 1.3.21 the "if [ -x/r/w ... ]" test won't depend on it.
> >> Pierre
> >
> > If that's all it is, then there is no need for special treatment.
> > It's a simple rule: if your script does a chown, include
> > passwd-grp.sh in its dependences, that's all.
> >
> > I thought it was more like "something is essential to running all
> > scripts, so there had better be a dependence there whether the author
> > included it or not".  Can't think of any that would need it, though...
>
> Neither can I, specifically. We will see if John has a specific requirement
> for his run-last idea.
>
> What I was thinking of, is that a script could be tagged high (or low)
> priority, and setup would simply determine which scripts to run, then sort
> the list by priority.
>
> Whilst I'm thinking about it, how does your patch handle circular
> dependencies?
>
> Max.

It doesn't (yet):
+  void propagateDependences() {
+    // TODO: detect circular dependences

	Igor
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