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Rename pkg/fileutil private helpers for discoverability - #52582

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copilot/function-namer-go-function-rename-plan
Aug 15, 2026
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Rename pkg/fileutil private helpers for discoverability#52582
pelikhan merged 4 commits into
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copilot/function-namer-go-function-rename-plan

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Copilot AI commented Aug 13, 2026

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The function-namer analysis of pkg/fileutil flagged two unexported helpers whose names hide the behavior callers actually care about: the existing-ancestor fallback during path resolution, and the fsync/cleanup step during file copies.

Changes

  • resolveWithAncestorSymlinksresolvePathWithExistingAncestorSymlinks — surfaces that the function walks up to the longest existing ancestor when the final component doesn't exist yet.
  • copyFileContentscopyToFileAndSync — surfaces that it syncs the destination and removes partial output on failure, rather than being a generic reader-to-writer copy.
  • Updated the two call sites in fileutil.go, the doc comment, and the test references in fileutil_test.go.

Both symbols are unexported and used only within the package, so this is a pure rename with no behavior or API change.

// before
absCand, err := resolveWithAncestorSymlinks(candidate)
err = copyFileContents(in, out, dst)

// after
absCand, err := resolvePathWithExistingAncestorSymlinks(candidate)
err = copyToFileAndSync(in, out, dst)

Run: https://github.com/github/gh-aw/actions/runs/31767348894> Generated by 👨‍🍳 PR Sous Chef · gpt54 · 23.3 AIC · ⌖ 5.78 AIC · ⊞ 8.5K ·

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Copilot AI linked an issue Aug 13, 2026 that may be closed by this pull request
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Co-authored-by: pelikhan <4175913+pelikhan@users.noreply.github.com>
Copilot AI changed the title [WIP] Propose function renames for pkg/fileutil Rename pkg/fileutil private helpers for discoverability Aug 13, 2026
Copilot AI requested a review from pelikhan August 13, 2026 20:30
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PR Triage

Category: refactor · Risk: low · Priority: low · Score: 25/100

Impact Urgency Quality
10/50 5/30 10/20

Recommended action: batch_review (batch: wf-tooling-drafts)

Pure rename of two unexported pkg/fileutil helpers for discoverability. Tiny diff (7+/7-), draft, no CI yet. Grouped with other draft workflow/tooling PRs for a combined review pass.

Generated by 🔧 PR Triage Agent · auto · 58.4 AIC · ⌖ 2.92 AIC · ⊞ 7.8K ·

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Great work! 🎯 This refactor improves code discoverability for agentic workflows by making function names surface their key behaviors:

  • resolvePathWithExistingAncestorSymlinks() now clearly indicates the ancestor-fallback logic during path resolution
  • copyToFileAndSync() explicitly exposes the durability step (fsync + cleanup on failure)

The renaming is clean, focused, and well-tested. Both changes are unexported helpers used only within pkg/fileutil, so there's no API surface impact. The PR aligns perfectly with the project's function-namer quality initiative—looking ready for review! ✨

Generated by ✅ Contribution Check · auto · 42.8 AIC · ⌖ 4.01 AIC · ⊞ 8.8K ·

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pelikhan marked this pull request as ready for review August 14, 2026 03:06
Copilot AI balanced review requested due to automatic review settings August 14, 2026 03:06
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PR Code Quality Reviewer completed the code quality review.

Completed PR review for #52582; no GitHub write emitted because the diff is a pure private-helper rename with no actionable review findings.

🔎 Code quality review by PR Code Quality Reviewer

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github-actions Bot commented Aug 14, 2026

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Ponytail Reviewer completed successfully!

Lean already. Ship.

Generated by Ponytail Reviewer for #52582

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Test Quality Sentinel completed test quality analysis.

🧪 Test quality analysis by Test Quality Sentinel

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🧠 Matt Pocock Skills Reviewer has completed the skills-based review. ✅

🧠 Reviewed using Matt Pocock's skills by Matt Pocock Skills Reviewer

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Design Decision Gate 🏗️ completed the design decision gate check.

No ADR enforcement needed: PR does not have the 'implementation' label and has 7 new lines of code in business logic directories (threshold: 100).

🏗️ ADR gate enforced by Design Decision Gate 🏗️

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Clean rename-only refactor. Both private helpers are renamed consistently across implementation and tests with no logic changes. LGTM.

🧵 Reviewed using Impeccable skills by Impeccable Skills Reviewer · sonnet46 · 14.6 AIC · ⌖ 6.98 AIC · ⊞ 5.4K

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Pull request overview

Renames two private pkg/fileutil helpers to make their behavior more discoverable without changing functionality or APIs.

Changes:

  • Renames path-resolution and synchronized-copy helpers.
  • Updates internal callers, documentation, and tests.
Show a summary per file
File Description
pkg/fileutil/fileutil.go Renames helpers and their call sites.
pkg/fileutil/fileutil_test.go Updates test references to the renamed copy helper.

Review details

💡 Add a code-review agent skill for context-aware, tailored reviews. Learn more in the docs.

  • Files reviewed: 2/2 changed files
  • Comments generated: 0
  • Review effort level: Balanced

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Skills-Based Review 🧠

Applied /codebase-design — one minor naming inconsistency to address.

📋 Key Themes & Highlights

Finding

  • Test name not updated: TestCopyFileContents still references the old helper name; should be TestCopyToFileAndSync to stay consistent with the rename.

Positive Highlights

  • ✅ Both new names are clearly more descriptive and self-documenting
  • ✅ Call sites and doc comments updated consistently
  • ✅ No behaviour change — clean, surgical rename

🧠 Reviewed using Matt Pocock's skills by Matt Pocock Skills Reviewer · sonnet46 · 14.2 AIC · ⌖ 7.33 AIC · ⊞ 7K
Comment /matt to run again

@@ -445,7 +445,7 @@ func TestCopyFileContents(t *testing.T) {
closeErr := errors.New("close failed")

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[/codebase-design] The test function is still named TestCopyFileContents — the old helper name — which reduces discoverability to the same degree as the renamed symbol.

💡 Suggested rename

Rename the test function to match the new production name:

func TestCopyToFileAndSync(t *testing.T) {

Consistent naming between the helper and its test makes it easier to navigate from production code to tests and back.

@copilot please address this.

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Renamed the test to TestCopyToFileAndSync in 9eb3c90.

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Test Quality Sentinel 🧪

PR: #52582 — "Rename pkg/fileutil private helpers for discoverability"
Analysis: No new or modified behavioral tests

Summary

This PR renames 3 private helper functions in pkg/fileutil/ for improved code clarity:

  • resolveWithAncestorSymlinksresolvePathWithExistingAncestorSymlinks
  • copyFileContentscopyToFileAndSync

Test Impact: The existing TestCopyFileContents test was updated to reflect the function rename (2 call sites). No new test functions or behavioral changes were introduced.

Scope

Category Count Status
Changed test files 1 fileutil_test.go
New test functions 0
Modified test functions 0 ✓ (only call sites renamed)
Hard violations 0

Test Quality Score

Score: N/A — No Behavioral Tests Added

This PR contains zero new or modified behavioral tests. The test file was updated only to reflect the private function renames, with no changes to test logic or coverage.

Recommendation

APPROVE — This is a pure refactoring PR with no test-coverage impact. The existing test suite remains unchanged in scope and behavior.

🧪 Test quality analysis by Test Quality Sentinel · haiku45 · 16.4 AIC · ⌖ 4.52 AIC · ⊞ 7.6K ·
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✅ Test Quality Sentinel: No behavioral tests added. This is a pure refactoring PR with no test-coverage impact.

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@copilot Please resolve the blocking review feedback on this PR, refresh the branch if needed, and run the pr-finisher skill before handing this PR back to maintainers.

Outstanding review items (newest first):

Branch update was requested automatically for this run.
Run: https://github.com/github/gh-aw/actions/runs/31767348894

Generated by 👨‍🍳 PR Sous Chef · gpt54 · 23.3 AIC · ⌖ 5.78 AIC · ⊞ 8.5K ·
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Co-authored-by: gh-aw-bot <259018956+gh-aw-bot@users.noreply.github.com>
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Triage: refactor / risk: low

Score: 29/100 (impact+urgency+quality) · Priority: low · Action: auto_merge

Trivial private-helper renames in pkg/fileutil for discoverability. 2 files, 8/8 lines, CI green.

Automated PR triage — see full report issue for details.

Generated by 🔧 PR Triage Agent · auto · 48.2 AIC · ⌖ 2.57 AIC · ⊞ 7.8K ·

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PR Triage\n\n- Category: refactor\n- Risk: low\n- Priority: medium\n- Score: 58/100 (impact 25 + urgency 15 + quality 18)\n- Recommended action: auto_merge\n

Generated by 🔧 PR Triage Agent · auto · 62.8 AIC · ⌖ 2.76 AIC · ⊞ 7.8K ·

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PR Triage

  • Category: refactor
  • Risk: low
  • Priority: medium (score: 36/100)
  • Score breakdown: impact 8/50, urgency 10/30, quality 18/20
  • Recommended action: auto_merge

Automated triage by PR Triage Agent.

Generated by 🔧 PR Triage Agent · auto · 64.3 AIC · ⌖ 2.94 AIC · ⊞ 7.8K ·

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PR Triage

Category: refactor  |  Risk: low  |  Score: 32/100

Score breakdown

  • Impact: 10/50
  • Urgency: 8/30
  • Quality: 14/20

Recommended action: auto_merge

Pure rename, small diff (2 files), 2 approvals, CI mostly green.

Generated by 🔧 PR Triage Agent · auto · 68.2 AIC · ⌖ 10.7 AIC · ⊞ 7.8K ·

@pelikhan
pelikhan merged commit 7a0788f into main Aug 15, 2026
27 checks passed
@pelikhan
pelikhan deleted the copilot/function-namer-go-function-rename-plan branch August 15, 2026 04:33
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[function-namer] Go function rename plan: pkg/fileutil

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