I ended up rewriting .gitmodules with relative paths, but replaced URLs pointing to an Espressif repo in the following style:

From:
[submodule "components/bt/controller/lib"]
path = components/bt/controller/lib
url = ../esp32-bt-lib.git


To:
[submodule "components/bt/controller/lib"]
path ...

Thanks for the quick reply.

We will try to work around the issue by rewriting the .gitmodules file for now.

It might be nice to have a $SUBMODULE_BASE_URL variable or similar mechanism to point to a common repo for modules referred using relative paths, but I don't know what would be involved in ...

Commit #008ad9a on esp-idf replaced the https***github.com/espressif/esp-idf/... URLs in .gitmodules with relative links.

The switch to relative URLs for submodules has broken our fork, because they reference our repo, which does not contain mirrors of the upstream source.

I suppose I could make ...

On another controller we have implemented a small BLE-based mesh using advertising packets.
Low latency (<150ms) and low power is an issue, and we achieve this by letting the nodes synchronize so that they communicate in certain timeslots. Each node transmits an advertisement package with dynamic ...