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feat(grub): loop-device-free EFI GRUB setup

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Metadata

Project
imagecraft
Number
#434
Type
pull request
State
open
Author
lengau
Labels
—
Created
Updated
Closed
—

Current evaluation

Part of a GRUB refactoring stack implementing loop-device-free EFI GRUB setup. Fresh PR with 7 unresolved review comments and no maintainer engagement yet.

Suggested action: needs review

Reason: This is a fresh PR (2 days old) that is part of a larger GRUB refactoring stack (related to imagecraft#416 and imagecraft#417). It has 7 unresolved review comments indicating it is under active review, but has received no maintainer engagement yet. The PR touches 12 files with +1561/-145 lines, suggesting a non-trivial architectural change that warrants maintainer attention.

Impact: 55 Quick Win: 19.25 Staleness: 10 Complexity: 65 Confidence: 75

Issue body

Describe your changes. --- - [ ] I've followed the [contribution guidelines](https://github.com/canonical/imagecraft/blob/main/CONTRIBUTING.md). - [ ] I've signed the [CLA](http://www.ubuntu.com/legal/contributors/). - [ ] I've successfully run `make lint && make test`. - [ ] I've added or updated any relevant documentation. - [ ] In documents I changed, I [added a meta description](https://canonical-starflow.readthedocs-hosted.com/how-to/add-a-page-meta-description/) if one was missing.

Evaluation history

Date Model Scores Action Summary
qwen3.6-35b-a3b-mtp-q6
Impact: 55
Quick Win: 19.25
Staleness: 10
Complexity: 65
Confidence: 75
needs review Part of a GRUB refactoring stack implementing loop-device-free EFI GRUB setup. Fresh PR with 7 unresolved review comments and no maintainer engagement yet.

Update history

Date Change
updated
updated
updated
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created

Related work

  • Related To: imagecraft#416 (confidence 85%)

    Part 6 of the same GRUB refactoring stack, implementing BIOS GRUB without loop devices or chroot. Also open with 3 unresolved comments.

  • Related To: imagecraft#417 (confidence 85%)

    Part 7 of the stack, removing unused chroot and loop device helpers after the refactoring. Also open with no reviewer engagement yet.

Related issues

Issue Project State Summary Similarity
#415 feat(grub): install EFI GRUB without loop devices imagecraft open PR converts EFI/GPT GRUB installation to use FUSE partition mounts instead of kernel loop devices, enabling unprivileged image builds. Has 11 unresolved review comments and some failing CI slow tests.
83%
#416 feat(grub): install BIOS GRUB without loop devices or chroot imagecraft open Part 6 of a stack refactoring GRUB BIOS/MBR installation to work without root privileges, removing chroot and loop device dependencies. Under review with 3 unresolved comments.
79%
#348 No loops for grub imagecraft open Refactors grub handling to avoid loop devices, replacing special handling with a more generic approach. Stalled for 100 days pending maintainer feedback on architectural direction.
78%
#417 refactor: remove the now-unused chroot and loop device helpers imagecraft open Removes unused chroot handler and loop device helpers after GRUB installation was refactored to work without root privileges. Part 7 of a 7-part stack. No reviewer engagement yet.
70%