chore: update UKCI kernels

[kxxt]

Automated UKCI kernel update

Summary by CodeRabbit

• Chores
  • Updated kernel versions to latest patches for improved stability and security.
  • Removed experimental 7.1 RC kernel from available options.

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Project	Deployment	Actions	Updated (UTC)
tracexec	Ready	Preview, Comment	Jun 16, 2026 1:18am

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yml

Review profile: CHILL

Plan: Pro

Run ID: 98ae4995-139a-480e-b2f0-8768c58a81e9

📥 Commits

Reviewing files that changed from the base of the PR and between 1427ef9 and c55c9cf.

📒 Files selected for processing (1)

• nix/ukci.nix

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Walkthrough

Updates the kernel source matrix in nix/ukci.nix by bumping the tag, version, and sha256 for three entries (6.12lts → 6.12.93, 6.18lts → 6.18.35, 7.0 → 7.0.12) and removing the 7.1 RC7 entry entirely.

Changes

Kernel Source Matrix Update

Layer / File(s)	Summary
Kernel version and checksum updates nix/ukci.nix	Bumps 6.12lts to 6.12.93, 6.18lts to 6.18.35, and 7.0 to 7.0.12 with updated sha256 values; removes the 7.1 (v7.1-rc7) source entry.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Possibly related PRs

• kxxt/tracexec#214: Modifies the same sourcesFor kernel source matrix in nix/ukci.nix with RISC-V kernel version/tag bumps and sha256 updates.
• kxxt/tracexec#258: Directly updates the same 6.12lts, 6.18lts, 7.0, and 7.1 entries in nix/ukci.nix.
• kxxt/tracexec#228: Modifies the 7.1 kernel entry in nix/ukci.nix's sourcesFor list, which this PR subsequently removes.

Poem

🐇 Hop, hop, the kernels grow,
From .92 to .93 we go!
Seven-point-one RC? Goodbye!
New checksums shine beneath the sky.
The Nix matrix blooms anew — oh my! 🌸

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'chore: update UKCI kernels' directly describes the main change: updating kernel versions in the UKCI kernel source matrix.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch automation/update-ukci-kernels

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[gemini-code-assist]

Code Review

This pull request updates several kernel versions (6.12, 6.18, and 7.0) to their latest releases and removes the 7.1 release candidate configuration. Feedback suggests removing the redundant version attribute from the 7.0 kernel definition to improve consistency, as it defaults to the tag value.

Important

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[gemini-code-assist]

The version attribute is redundant here because it is identical to the tag attribute. In nix/kernel-source.nix, version defaults to tag if it is not explicitly provided. Removing it improves consistency with the other kernel definitions in this file.

                tag = "7.0.12";