Bug#382977: [Pbuilder-maint] Bug#382977: fails to umount with internal pdebuild

[Junichi Uekawa]

Hi,

> > > Solution? Maybe try to bind mount the user's bindmounts *after*
> > > bind-mounting the parent when --internal is used?
> > 
> > or disallow such configuration.
> 
> Disallow custom bind mounts, or disallow mind bounds that are
> siblings to the directory in use?

Disallowing recursive custom bind mounts / overriding bind mounts, 
or checking if something is not broken.
 
> > Sounds a bit fragile to me.
> 
> Which part?

Depending on mount ordering part.

> > Either way, patch is welcome, and I even think you have commit
> > access to the repository too.
> 
> I might have a chance to look at it... some day. :/
> 
> But seriously, wouldn't moving the custom bind-mounts to *after* the
> system bind mounts just solve it?

Currently, custom/system bind mounts are not differentiated;
pdebuild-internal is just a pbuilder application.

regards,
	junichi
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