[haiku-development] Re: alpha release window ?
- From: "Axel Dörfler" <axeld@xxxxxxxxxxxxxxxx>
- To: haiku-development@xxxxxxxxxxxxx
- Date: Mon, 10 Aug 2009 16:40:21 +0200 CEST
PulkoMandy <pulkomandy@xxxxxxxxx> wrote:
> > Would assignfs work like a unionfs? Because otherwise, I can't see
> > how
> > it could be used, but maybe you can enlighten me :-)
> Not only.
> assignfs is originating from the amiga where it's used for many other
> things. For example when you launch a program, PROGDIR: is assigned
> to
> the executable directory, allowing the program to find its data. It
> was also used a bit like environment variables, with assigns such as
> PATH: and INCLUDES: pointing to muliple dirs in your filesystem.
> So it can be used as an unionfs (to merge two directories) but can
> also do more. The amiga OS use a device:path/file structure, a bit
> like windows, and assigns are published as devices. So it is possible
> to reassign a device (such as df0:, the floppy drive, to a directory
> and get your games to run from the hard disk.
> It's possible to alter an assign while it's mounted, so you can add a
> dir to your include assing without unmounting it. You can also remove
> something if needed. I don't know if the Haiku assignfs will allow
> such things, however :)
I'm aware of AmigaOS' assign implementation. It's just that assignfs
would only work in this case if you can lay it over say /boot/common/
and still see the original contents that are there on disk. That's not
something that need or could be solved by using the assign command in
AmigaOS.
Bye,
Axel.
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