I think this feature might be broken: I just tested version 1.1.4 with a repository that contains a symlink, but it didn't detect it.

Hi @bblanchon can you tell us which repo so we can test it?

Hi @silvanocerza,

It was ArduinoJson, but I removed the symlink a few hours ago, so you'll have to check out the tag v6.18.1.
I doubt that this issue is specific to ArduinoJson's repo; you can probably reproduce the issue with any library.
I looked at the test cases and there doesn't seem to be one covering this feature.

I tested it a bit.

Seems like rule LS005 passes if the symlink points to a directory, so it worked for you since it was ArduinoJson -> ../../../... Instead creating a symlink to a file makes it fail.

Probably we need to clarify the rule or make it work for directories too. @per1234 what do you think?

what do you think?

We prohibit any type of symlink in libraries, so this must be fixed:
https://github.com/arduino/library-registry/blob/main/FAQ.md#what-are-the-requirements-for-a-library-to-be-added-to-library-manager

Thanks for the report @bblanchon!

You're welcome, @per1234.
ArduinoJson 6.18.1 is missing from the Library Manager; I'm assuming it's due to the symlink.

ArduinoJson 6.18.1 is missing from the Library Manager; I'm assuming it's due to the symlink.

That is correct. We now provide a dedicated web page with the indexer logs for each of the Library Manager libraries. You can see the logs for ArduinoJson here:
https://downloads.arduino.cc/libraries/logs/github.com/bblanchon/ArduinoJson/
Even though Arduino Lint dropped the ball on this one, there is an additional symlink check built in to arduino/libraries-repository-engine that caught the symlink before the library could be added to the index:

2021/07/15 16:47:17 Error syncing library: Error while zipping library: Symlink not allowed: /home/arduino/workspace/workspace/Librariesv2/gitclones/github.com/bblanchon/ArduinoJson/extras/ci/espidf/components/ArduinoJson -> ../../../..

Thanks, @per1234. I didn't know the log files were publicly accessible; this is awesome!