ifacemaker を Homebrew でインストール

プロジェクトリンク

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• ifacemaker

プロジェクトの歴史

The repository's tagged releases start at v1.0.0 in 2018, after the release notes describe it as already working in CI/CD for over a year. Later tags add usability improvements, glob handling, struct-handling fixes, and support for newer Go language features.

The README documents support for Go generics and generic methods, showing that the tool evolved alongside Go's type system rather than remaining limited to pre-generics code.

採用の歴史

ifacemaker's adoption appears concentrated among Go teams that use gomock or similar test doubles and want interfaces derived from existing concrete types. It is packaged in Homebrew and installable with go install, but its user base is naturally bounded by one Go testing workflow.

The project also has downstream influence in adjacent tools: interface generators in the Go ecosystem cite it as an inspiration because it covers a common friction point in Go's explicit-interface style.

使われ方

Users point ifacemaker at a Go source file, name the struct, choose the interface name and package, and either print the generated interface or write it to a file. Options cover output file selection, promoted methods, excluded methods, unexported methods, copied documentation, and generated-file comments.

The practical workflow is to keep production code concrete, generate a narrow interface for tests, and feed that interface into a mock generator.

パッケージ好きにとっての重要性

ifacemaker is package-nerd interesting because it is a tiny CLI around one awkward edge of Go culture: interfaces are satisfied implicitly, but tests often need explicit interface declarations.

It also shows how language-specific codegen tools get packaged as normal Unix commands, making a Go AST workflow available from shell scripts, CI jobs, and Homebrew.

タイムライン

• 2018-12-05: v1.0.0 tag is recorded in the repository.
• 2019-08-02: v1.1.0 tag adds usability improvements around command-line use.
• 2023-05-09: v1.2.1 tag is recorded.
• 2025-04-03: v1.3.0 tag is recorded.
• 2026-06-26: v1.4.0 tag is recorded.

Related projects

• gomock is the primary related project named by the README.
• Other Go interface generators, mock generators, and go/ast-based developer tools occupy the same tooling neighborhood.

ソース

• https://formulae.brew.sh/formula/ifacemaker
• https://github.com/vburenin/ifacemaker
• https://github.com/vburenin/ifacemaker/releases