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How to Avoid Indirect Dependencies in Your `go.mod` File?

Barbara Streisand

Nov 10, 2024 am 09:17 AM

How to Avoid Indirect Dependencies in Your `go.mod` File?

Avoiding Indirect Dependencies in go.mod

Indirect dependencies in go.mod files arise when your direct dependencies depend on other packages that aren't explicitly specified in your go.mod file. These indirect dependencies are automatically added to your file as you run commands like go build.

Example with Colly

Consider the following go.mod file:

module prodenv

go 1.13

require (
    github.com/gocolly/colly v1.2.0
)

After running go build, you may notice that the go.mod file contains the following indirect dependencies:

    github.com/PuerkitoBio/goquery v1.5.1 // indirect
    github.com/antchfx/htmlquery v1.2.2 // indirect
    github.com/antchfx/xmlquery v1.2.3 // indirect
    github.com/antchfx/xpath v1.1.5 // indirect
    github.com/gobwas/glob v0.2.3 // indirect
    github.com/kennygrant/sanitize v1.2.4 // indirect
    github.com/saintfish/chardet v0.0.0-20120816061221-3af4cd4741ca // indirect
    github.com/temoto/robotstxt v1.1.1 // indirect

Explanation

Colly version 1.2.0 does not have a go.mod file, which means all its dependencies are considered indirect. Therefore, when you include Colly in your go.mod, its dependencies are also added as indirect dependencies.

Solution

Unfortunately, there is no way to avoid indirect dependencies entirely. However, there are a few solutions to address this challenge:

Upgrade Dependency Version: In this case, upgrading to Colly version 2.0.0 or higher would resolve the issue since these versions have go.mod files.
Review Indirect Dependencies: Carefully review the indirect dependencies to ensure that they are necessary and avoid unnecessary dependency bloat.
Use Modules with go.mod: Encourage your dependencies to create go.mod files for their packages, which will make it easier to manage and control dependencies.

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