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FlagLint Is Now Installable via Homebrew

- 2 min read
Krishan Sharma
Founder and maintainer of FlagLint

Starting with v1.1.0, FlagLint is installable via Homebrew — no Node.js required.

Terminal window
brew tap flaglint/tap
brew install flaglint

That’s it. The full CLI is available immediately, including audit, scan, migrate, and validate.

Why this matters

Section titled “Why this matters”

Until now, the only install paths were npm install -g flaglint or npx flaglint@latest. Both work fine — but both require Node.js 20 or newer. That’s a reasonable assumption for application developers, but it’s a friction point in a few common situations.

DevOps and platform engineers often run tooling audits across repos without a Node.js environment set up. Installing Node just to run one CLI is the kind of thing that gets a tool skipped in favour of whatever’s already available.

Docker-based CI is the bigger one. A lot of teams run their CI in minimal images — no Node, no npm. Adding a Node install step purely to run npx flaglint adds 30-60 seconds to every pipeline run and pulls in a dependency that has nothing to do with the actual application. With Homebrew, a Linux CI job can install FlagLint in a single brew install call with no Node dependency.

Mac developers who use Homebrew for CLI tools now get brew upgrade flaglint like any other tool, without thinking about npm.

How the tap works

Section titled “How the tap works”

The tap lives at github.com/flaglint/homebrew-tap. The formula fetches the published npm tarball directly from the npm registry and wires up the CLI binary.

The formula updates automatically on every release — a GitHub Actions job in the main repo runs after each npm publish, computes the new tarball SHA256, and commits an updated formula to the tap. So brew upgrade flaglint will always pull the current release without any manual intervention.

Getting started

Section titled “Getting started”
Terminal window
brew tap flaglint/tap
brew install flaglint
flaglint --version

Or if you already have Node.js, npx flaglint@latest still works exactly as before. The Homebrew path is an addition, not a replacement.

Once installed, the quickstart walks through the full audit → preview → apply workflow.