[chrisheib]

Replaced the custom installPhase script with the use of the standard installTargets = ["modules_install"] and corresponding installFlags. This leverages the kernel's built-in installation mechanism for modules, improving compatibility and maintainability.

See NixOS/nixpkgs#575192 and https://github.com/NixOS/nixpkgs/pull/576465/changes

Summary by CodeRabbit

• Bug Fixes

  • Improved kernel module installation to use the standard kernel installation process.
  • Kernel modules are now installed into the correct destination with optimized module binaries.
  • Installation now updates module metadata automatically, improving compatibility with systems that load or manage kernel modules.

• Configuration

  • Added support for supplying custom build flags when building kernel modules.

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[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

• Configuration used: Organization UI
• Review profile: CHILL
• Plan: Advanced
• Run ID: 5dfe1a56-cf6b-48a4-8af6-4e39b8811bba

📥 Commits

Reviewing files that changed from the base of the PR and between e398002 and 0d16625.

📒 Files selected for processing: 1

• module.nix

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📝 Walkthrough

The kernel module derivation now accepts kernel-provided build flags. It uses modules_install with explicit install flags instead of manually copying maccel.ko.

Changes: Kernel module build and installation

Layer / File(s)	Summary
Build flags and module installation module.nix	The derivation adds kernelModuleMakeFlags to its existing build flags. It replaces manual copying of maccel.ko with modules_install, setting the install path, module directory, stripping, and dependency-map options.

Priority: ⬇️ Low

Estimated code review effort: 2 (Simple) | ~10 minutes

Change: Bug fix

Suggested reviewers: avisek

Merge Risk: ⚪ Minimal · up to 0d166

No actionable merge-blocking risk was found in the kernel module installation change.

Pre-merge checks: 5

Check name	Status	Explanation
Description Check		Check skipped - CodeRabbit’s high-level summary is enabled.
Title check		The title clearly and concisely describes the main change: fixing NixOS kernel module installation. It also references the related issue.
Docstring Coverage		No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check		Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check		Check skipped because no linked issues were found for this pull request.

Full details: Docstring Coverage

Explanation

No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0 files. (1 skipped: 1 unsupported.)

✨ Finishing Touches: 💡 1

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_{A rabbit checks the build flags twice,
Then hops where module targets slice.
The kernel path receives its load,
The install flags mark out the road.
One neat .ko rests in its place.}

_{Comment @coderabbitai help to get the list of available commands.}