fix: handle nested config braces #193
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WalkthroughUpdated the fiber.Config matching regex in the migration to support nested braces. Added a test covering migration when a custom ErrorHandler coexists with Prefork, verifying Prefork removal from app config and insertion into Listen via ListenConfig, while preserving ErrorHandler. Changes
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Summary of Changes
Hello @ReneWerner87, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!
This pull request addresses an issue where the migration tool for fiber.Config listener fields failed to correctly parse configurations containing nested brace structures, such as those found in custom ErrorHandler functions. The fix involves updating the regular expression used for parsing to properly handle these nested braces, ensuring accurate migration of configuration fields.
Highlights
- Improved Configuration Parsing: The regular expression used to identify
fiber.Configblocks has been updated to correctly handle nested brace structures, preventing parsing errors in complex configurations. - Enhanced Migration Robustness: This change ensures that the migration tool can accurately process
fiber.Configinstances that include fields with nested anonymous functions, likeErrorHandler. - New Regression Test: A new test case has been added to specifically validate the migration logic for
fiber.Configwhen it contains a customErrorHandler, confirming the fix for nested braces.
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Code Review
This pull request aims to fix an issue with nested braces in fiber.Config during migrations. The regex has been improved, but it's not fully robust for deeply nested structures, which could lead to code corruption during migration. I've left a critical comment on this with a suggestion for a more robust implementation using existing helper functions. Additionally, I've suggested enhancing the new regression test to cover more complex scenarios with nested braces, which would help validate the fix.
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Actionable comments posted: 3
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📒 Files selected for processing (2)
cmd/internal/migrations/v3/config_listener_fields.go(1 hunks)cmd/internal/migrations/v3/config_listener_fields_test.go(1 hunks)
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cmd/internal/migrations/v3/config_listener_fields_test.go (1)
cmd/internal/migrations/v3/config_listener_fields.go (1)
MigrateConfigListenerFields(14-141)
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- GitHub Check: Build (1.25.x, macos-13)
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Summary
fiber.Configduring listener field migrationErrorHandlerTesting
make lintmake testhttps://chatgpt.com/codex/tasks/task_e_68ab25ea4c8c832681435423d7dd5af1
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Bug Fixes
Tests