pnoltes edited a comment on pull request #325:
URL: https://github.com/apache/celix/pull/325#issuecomment-789066243
> I'm missing a rationale for why fat jars/zips are a feature celix would
want. Is this related to the issue with cache directories?
One of the use case I am struggling with is how to make it possible for
Celix users to "just install an application" which uses Celix.
If you use Celix to create a nice application (e.g. myapp) which uses
different bundles. You can install the bundles, but not really the executable
created with the cmake function `add_celix_container`.
When starting the installed executable (e.g. /usr/local/bin/myapp) it needs
to find the bundles. This can be achieved by the config property
CELIX_BUNDLES_PATH.. but this needs to be done with env after the executable is
installed. Because during install you probably not known which
CELIX_BUNDLES_PATH are valid (-> e.g. where will the different bundles be
installed).
If it possible to create a "fat celix executable" with something like:
```
add_celix_container(myapp
FATEXE #maybe not the best name ... ;)
BUNDLES Celix::ShellCxx Celix::shell_tui MyBundle
)
```
where the bundle zips are embedded in the executable you can avoid this
issue.
Of course a different path could be to add support for bundles a shared
libraries instead, but can this be done backwards compatible and do we need to
update all Celix bundles as shared library then or provide 2 version (1 as zip
bundle and 1 as shared library).
An other issues is also indeed the cache directory, because if you install a
celix executable (e.g. /usr/local/bin/myapp) it will now create cache dir in
the location where you start the executable. IMO this should be a /tmp or spool
dir, but this will also mean that the celix application needs to clean its own
(and maybe other not running celix executable) cache dirs.
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