[Buildroot] [RFC 1/1] infra/pkg-generic: Add rootfs post gen hook
vadim4j at gmail.com
Mon Apr 15 08:42:38 UTC 2019
On Mon, Apr 15, 2019 at 09:58:22AM +0200, yann.morin at orange.com wrote:
> Vadim, All,
> On 2019-04-15 10:33 +0300, Vadim Kochan spake thusly:
> > On Mon, Apr 15, 2019 at 08:58:19AM +0200, Thomas Petazzoni wrote:
> > > Hello Vadim,
> > >
> > > On Mon, 15 Apr 2019 03:26:35 +0300
> > > Vadim Kochan <vadim4j at gmail.com> wrote:
> > >
> > > > Add ability to generate image by custom package, and one of the
> > > > way to do it - is to add new $(PKG)_ROOTFS_POST_GEN_HOOK which will be
> > > > called after rootfs image is ready. This allows to have easier
> > > > alternative to post-image script in form of package, which might be
> > > > just selected by the user (or this package might be automatically
> > > > selected already already).
> > >
> > > Hum, this description is a bit vague/fuzzy to me. Do you have a
> > > specific example that requires this rootfs post gen hook ?
> > >
> > The use case is simple - allow to generate firmware image by custom
> > package instead of post-image script. I did not find some dependencies
> > or other hook to make it installed after rootfs image is ready, so only
> > option I found is to add yet-another-hook which will be called after
> > rootfs image is generated.
> If you have a custom tool to generate a custom image, why don't you also
> provide a custom filesystem implementation of your own in fs/your-fs/
> like any other filesystem ?
> Note that a filesystem can also be defined in a br2-external tree.
Yes, I understand but this is not for fs image generation but for the
final firmware image (for flashing, e.g. sdcard image), for example:
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