[OE-core] [PATCH] wic: Add include-dir option

[Paul Barker]

On Thu, 27 Feb 2020 at 19:43, akuster808 <akuster808 at gmail.com> wrote:
>
>
>
> On 2/27/20 12:12 AM, Martin Hundebøll wrote:
> > Hi Armin,
> >
> > On 27/02/2020 05.26, Armin Kuster wrote:
> >> This option allows for the inclusion of a single directory
> >> for a partition.
> >
> > I am unsure how this is used in a .wks file.
> Yeah, the documentation does not cover this.
>
> This is what I used to verified it works
>
> part  / --source rootfs --ondisk mmcblk1 --fstype=ext4 --label rootfs
> --align 4096 --exclude-path=var
> part  /var --source rootfs --ondisk mmcblk1 --fstype=ext4 --label var
> --align 4096 --include-dir=var
>
>
> >
> > From the code it looks similar to the include-path option, but
> > relative to the rootfs source dir instead of the wic working dir?
>
> the --include-path adds an entire rootfs  to the partition. I don't want
> the another rootfs. The help file even says that.  I want on directory.
> --exclude-dir allows me to "exclude" a dir .
>
>
> I used wic ls {path to partition}:{partition number}  to view the
> contents  of the partition.
>
> >
> > But the include-dir value is also used in the destination path?
> Then please document it and I don't mean the "help" file which is unclear.
>
> So how would you have "home" or "var" be in their own partitions? Please
> show an example.

IIRC,

part  / --source rootfs --ondisk mmcblk1 --fstype=ext4 --label rootfs
--align 4096 --exclude-path=var
part  /var --source rootfs --ondisk mmcblk1 --fstype=ext4 --label var
--align 4096 --rootfs-dir=${IMAGE_ROOTFS}/var

For an example see scripts/lib/wic/canned-wks/efi-bootdisk.wks.in

Thanks,
Paul