Fix gosec lints from golangci-lint v2.10.1 by horgh · Pull Request #465 · maxmind/geoipupdate

horgh · 2026-02-17T19:16:03Z

Summary

Add nolint directives for new gosec taint analysis false positives (G101, G703, G704, G706)
These are false positives in a CLI tool where user-provided input (URLs, file paths, proxy credentials in tests) is used by design

Test plan

golangci-lint run ./... passes with 0 issues

🤖 Generated with Claude Code

Add nolint directives for taint analysis false positives (G101, G703, G704, G706) in a CLI tool where user-provided input is used by design. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

gemini-code-assist · 2026-02-17T19:16:24Z

Summary of Changes

Hello @horgh, 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 new gosec taint analysis warnings that appeared after updating to golangci-lint v2.10.1. The changes involve strategically placing nolint directives in the code to silence these warnings, which were identified as false positives. These instances typically involve the processing of user-supplied data like URLs, file paths, or proxy credentials, which are inherent to the CLI tool's functionality and are handled securely despite the linter's flags.

Highlights

Linter Fixes: Added nolint directives to suppress new gosec taint analysis false positives introduced by golangci-lint v2.10.1.
False Positive Handling: Specifically addressed false positives related to G101, G703, G704, and G706, which were triggered by the intended use of user-provided input in a CLI tool context.
Linting Status: Ensured that golangci-lint run ./... now passes with zero issues, maintaining a clean linting state.

Changelog

client/download.go
- Added //nolint:gosec directive to an httpClient.Do call, indicating the URL is from a known configuration.
client/metadata.go
- Added //nolint:gosec directive to an httpClient.Do call, indicating the URL is from a known configuration.
cmd/geoipupdate/args.go
- Added //nolint:gosec directive to a log.Printf call, clarifying that the program name is being logged.
internal/geoipupdate/config.go
- Added //nolint:gosec directives to os.ReadFile calls, noting that the paths originate from environment variables.
internal/geoipupdate/config_test.go
- Added //nolint:gosec directives to test data definitions, acknowledging the use of sensitive-looking test data.
internal/geoipupdate/database/local_file_writer.go
- Added //nolint:gosec directives to os.Remove and os.Rename calls, confirming that the paths are derived from os.CreateTemp.

Activity

The pull request author confirmed that golangci-lint run ./... passes with 0 issues after these changes.
The pull request was generated with the assistance of Claude Code.

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github-actions · 2026-02-17T19:17:17Z

Modver result

This report was generated by Modver,
a Go package and command that helps you obey semantic versioning rules in your Go module.

This PR does not require a change in your module’s version number.
(You might still consider bumping the patchlevel anyway.)

gemini-code-assist

Code Review

This pull request addresses several gosec linting issues by adding nolint directives. The justifications for disabling these checks seem reasonable, as this is a command-line tool where user-provided input is expected. I've found a couple of minor issues with the comments accompanying the nolint directives in internal/geoipupdate/database/local_file_writer.go, where the explanation for the path's origin is inaccurate. I've left suggestions to correct them for better code clarity and future maintenance.

gemini-code-assist · 2026-02-17T19:17:22Z

internal/geoipupdate/database/local_file_writer.go

 	}

-	err := os.Remove(w.file.Name())
+	err := os.Remove(w.file.Name()) //nolint:gosec // path from os.CreateTemp


The comment for this nolint:gosec directive is inaccurate. It states the path is from os.CreateTemp, but the file path is actually constructed from configuration values (database directory and edition ID). Correcting this comment will improve clarity for future security reviews and maintenance.

Suggested change

err := os.Remove(w.file.Name()) //nolint:gosec // path from os.CreateTemp

err := os.Remove(w.file.Name()) //nolint:gosec // path is constructed from config values

Gemini appears to be right. I don't even see any os.CreateTemp uses in this repo!

gemini-code-assist · 2026-02-17T19:17:23Z

internal/geoipupdate/database/local_file_writer.go

 		return fmt.Errorf("closing temporary file: %w", err)
 	}
-	if err := os.Rename(w.file.Name(), name); err != nil {
+	if err := os.Rename(w.file.Name(), name); err != nil { //nolint:gosec // path from os.CreateTemp


The comment for this nolint:gosec directive is inaccurate. It states the path is from os.CreateTemp, but the file path is actually constructed from configuration values. For better code clarity and to aid future security analysis, this comment should be updated to reflect the true origin of the path.

Suggested change

if err := os.Rename(w.file.Name(), name); err != nil { //nolint:gosec // path from os.CreateTemp

if err := os.Rename(w.file.Name(), name); err != nil { //nolint:gosec // path is constructed from config values

oschwald · 2026-02-17T20:40:16Z

internal/geoipupdate/database/local_file_writer.go

 	}

-	err := os.Remove(w.file.Name())
+	err := os.Remove(w.file.Name()) //nolint:gosec // path from os.CreateTemp


Gemini appears to be right. I don't even see any os.CreateTemp uses in this repo!

The comments incorrectly stated the paths came from os.CreateTemp when they are actually constructed from config values. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Fix gosec lints from golangci-lint v2.10.1

1e59ccf

Add nolint directives for taint analysis false positives (G101, G703, G704, G706) in a CLI tool where user-provided input is used by design. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

gemini-code-assist bot reviewed Feb 17, 2026

View reviewed changes

oschwald requested changes Feb 17, 2026

View reviewed changes

Fix inaccurate nolint comments in local_file_writer.go

a492e8a

The comments incorrectly stated the paths came from os.CreateTemp when they are actually constructed from config values. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

horgh force-pushed the wstorey/eng-4203-lints-from-new-golangci-lint-are-fixed-in-githubcom-repos branch from 55eef16 to a492e8a Compare February 17, 2026 21:04

oschwald approved these changes Feb 18, 2026

View reviewed changes

oschwald merged commit 5eca6df into main Feb 18, 2026
21 checks passed

oschwald deleted the wstorey/eng-4203-lints-from-new-golangci-lint-are-fixed-in-githubcom-repos branch February 18, 2026 15:58

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Fix gosec lints from golangci-lint v2.10.1#465

Fix gosec lints from golangci-lint v2.10.1#465
oschwald merged 2 commits intomainfrom
wstorey/eng-4203-lints-from-new-golangci-lint-are-fixed-in-githubcom-repos

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	err := os.Remove(w.file.Name()) //nolint:gosec // path from os.CreateTemp
	err := os.Remove(w.file.Name()) //nolint:gosec // path is constructed from config values

	if err := os.Rename(w.file.Name(), name); err != nil { //nolint:gosec // path from os.CreateTemp
	if err := os.Rename(w.file.Name(), name); err != nil { //nolint:gosec // path is constructed from config values

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horgh commented Feb 17, 2026

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github-actions bot commented Feb 17, 2026 •

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