On 16/02/2017 03:18, Gary Thomas wrote:
On 2017-02-15 18:33, Geoffrey Levillain wrote:
Hi,
These patches introduce a capability to install overlay into image after
fetching them.
There is actually a need to add image-specific configurations files into
image recipes, and these patches are a way to standardize this
process as
well as simplify it by re-enabling fetching when image_overlay is
inherited, and by providing a task that copy every files in directories
listed in OVERLAY_ROOT_DIRS into IMAGE_ROOTFS directory.
Geoffrey Levillain (3):
image.bbclass: No need to force image licence on MIT
image_overlay.bbclass: Add possibility to install overlays to image
rm_work.bbclass: Do not remove fetching and install_overlay stamps
meta/classes/image.bbclass | 2 +-
meta/classes/image_overlay.bbclass | 24 ++++++++++++++++++++++++
meta/classes/rm_work.bbclass | 4 ++++
3 files changed, 29 insertions(+), 1 deletion(-)
create mode 100644 meta/classes/image_overlay.bbclass
Can you give an example where this approach is better than just
having the image include some [possibly optional] packages that
contain these image-specific configuration files?
The problem is that most configuration files are provided by a package
and thus can not be overriden by another package.
(a bbappend for each package we want to modify is a big amount of
tweaking and would force a variant of the package for each image with a
different configuration)
A "configuration package" can only add new conf files, it can't alter
existing files.
Regards
Jérémy
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