metalog -> makefs is broken again in -HEAD

[Warner Losh]

On Fri, Aug 19, 2016 at 3:27 PM, Adrian Chadd <adrian at freebsd.org> wrote:
> hi,
>
> ok, so here's the hilarity.
>
> We don't really have tools for consistently manipulating
> metalog/manifest files. So, in order to do things like
> add/delete/modify things in the manifest file, we need to do some ..
> hackery.
>
> So that's what filter.pl does. It takes in the metalog file and does a
> replace or append. It currently doesn't have a "delete" method.
>
> the .tmp file is "the extra files that we add /after/ the system
> installs". Ie, it's the customisations done. It goes through filter.pl
> and then the resultant metalog file has the complete thing that's
> going into the image.
>
> When I get around to adding package support for mips (not mips_ap)
> then it'll also have a second intermediary metalog file that has the
> combination of all of the package installs, so makefs knows what to
> do.
>
> Ok, so for metalog versus manifest. I remember doing it one way and
> then brooks saying "Don't do that, here's the bugs". I'll have to go
> over that and see.

NanoBSD will eventually follow suit as well. I really want to be able to
create entire images, including installing packages, as a normal user.
Making sure all this works is on that path. I have similar scripts to Adrian's
filter script as well for manipulating mtree files (and makefs does take mtree
files, it's just picky about the exact form, sadly).

Warner