pkg/manifests: fix dropped walk errors

[alrs]

A filepath.Walk() function takes an error as one of its arguments. Usually the first thing to do in a Walk() is to check if the err provided is not nil and should be returned. This fixes three places in pkg/manifests where a WalkFunc() was not handling the err.

Tests continue to pass.

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[Copilot]

Pull request overview

Note

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Adds early error handling at the start of filepath.WalkFunc implementations to propagate errors received from the walker before attempting further processing.

Changes:

• Return early when the incoming err parameter is non-nil in LoadPackagesWalkFunc and LoadBundleWalkFunc in packagemanifestloader.go.
• Apply the same early-return guard in bundleLoader.LoadBundleWalkFunc.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
pkg/manifests/packagemanifestloader.go	Propagates walker errors early in both walk functions before file inspection.
pkg/manifests/bundleloader.go	Propagates walker errors early in the bundle loader's walk function.

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[perdasilva]

@alrs Thanks for this ^^ the functions changed are exported - should we add a unit test for each for the changes?

[codecov]

Codecov Report

❌ Patch coverage is 0% with 6 lines in your changes missing coverage. Please review.
✅ Project coverage is 22.12%. Comparing base (755d5d1) to head (70820bf).

Files with missing lines	Patch %	Lines
pkg/manifests/packagemanifestloader.go	0.00%	2 Missing and 2 partials ⚠️
pkg/manifests/bundleloader.go	0.00%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #495      +/-   ##
==========================================
- Coverage   22.13%   22.12%   -0.02%     
==========================================
  Files          60       60              
  Lines        7869     7875       +6     
==========================================
  Hits         1742     1742              
- Misses       5969     5972       +3     
- Partials      158      161       +3     

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