[LEDE-DEV] how to make sysupgrade not drop user-installed packages

[Oswald Buddenhagen]

On Wed, Jan 11, 2017 at 10:54:10AM +0100, Jo-Philipp Wich wrote:
> > there doesn't appear to be anything hard about having the build bots
> > include a file into /etc which contains the _current_ repository
> > url, subdirectory, and image name.
> 
> you forget that up until very recently the same kernel and rootfs was
> used for many different images only varying in filename, image header
> and kernel command line.
>
well, i didn't forget it, i never knew it. ;)

> The squashfs was not repacked for each individual device image, which
> made it impossible to add an individual file into /etc/ for each
> device specific image.
> 
even that wouldn't have been an obstacle, as the image name could be
passed on the command line as well.

not that this would be relevant at this time. my point is simply that
embedding the required meta-data isn't the hard part.