unbound: enable splitting of unbound_srv.conf and unbound_ext.conf

[AndreaBorgia-Abo]

📦 Package Details

Maintainer: @EricLuehrsen

Description:
allow splitting these config files into smaller chunks with a stable naming convention,
so the files are included in backups automatically

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🧪 Run Testing Details

• OpenWrt Version: 25.12.3
• **OpenWrt Target/Subtarget: ipq40xx/generic
• **OpenWrt Device: AVM FRITZ!Box 4040

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✅ Formalities

• I have reviewed the CONTRIBUTING.md file for detailed contributing guidelines.

If your PR contains a patch:

• It can be applied using git am
• It has been refreshed to avoid offsets, fuzzes, etc., using

  make package/<your-package>/refresh V=s

• It is structured in a way that it is potentially upstreamable
  _{(e.g., subject line, commit description, etc.)
  We must try to upstream patches to reduce maintenance burden.}

[AndreaBorgia-Abo]

the changes are basically done, I am keeping it as draft until I can get the docker sdk running and check the results.

[dave14305]

The init script won’t include these extra files in the final configuration as it stands now. Where are they supposed to be included?

[AndreaBorgia-Abo]

Not sure I understand the question (or how the build works, until I can try it!)

Following discussion in the forum, I am trying to setup the package in such a way that, after installation, a user might create split configs with a a given naming convention and have the files be included in the backups with no extra steps.