pkg.sopackage field notes

brew / rank 993

Install jsonnet with Homebrew

Domain specific configuration language for defining JSON data. Version 0.22.0 via Homebrew; verified 2026-07-24.

install

Additional install commands

macOS

Homebrewverified · 100%
brew install jsonnet

provider-native install command

overview

Package summary

Domain specific configuration language for defining JSON data

Commands and aliases

  • jsonnet
  • jsonnetfmt

history

Project history and usage

Jsonnet is a data templating language for generating JSON, YAML, INI, and similar configuration data. It is one of the better-known examples of a configuration DSL that deliberately extends JSON while adding functions, object-oriented composition, imports, a standard library, formatting, and a formal specification.

Project history

The Jsonnet website says the language began in early 2014 as a Google 20 percent project and launched on August 6. The same page explains that its design was influenced by internal Google configuration languages and experience configuring large systems, while also stating that Jsonnet is not an official Google product.

The public google/jsonnet repository's first commit was made on 2014-08-06. A Google Open Source Blog post on 2015-04-20 described Jsonnet as a simple but rich configuration language that had been quietly released a few months earlier and emphasized that valid JSON is also valid Jsonnet.

The original implementation lives in the google/jsonnet repository. The README points users to the Jsonnet website for documentation and names go-jsonnet, the Go implementation, as a faster option for some use cases.

Adoption history

Jsonnet's adoption grew around infrastructure and configuration workflows where plain JSON was too repetitive but teams still wanted deterministic data generation. The official site describes use by many companies and projects, and the GitHub README documents packaging through Homebrew, MSYS2, PyPI bindings, and vcpkg.

How it is used

Users run `jsonnet` on a file or expression to emit JSON, use `jsonnetfmt` to reformat source, and use manifests to generate non-JSON output. The language is side-effect free and designed for modular configuration data rather than general application programming.

Why package nerds care

Jsonnet matters to package nerds because it created a recognizable ecosystem: interpreters, bindings, formatters, package-manager formulas, and Jsonnet-specific dependency tools such as jsonnet-bundler. It is also a useful reference point in debates about JSON-compatible configuration languages versus general-purpose code generation.

Timeline

  • 2014: Jsonnet began in early 2014 as a Google 20 percent project.
  • 2014-08-06: Jsonnet launched and the public GitHub repository received its initial commit.
  • 2015-04-20: Google Open Source Blog introduced Jsonnet as a richer language for composing JSON.
  • 2026-03-24: v0.22.0 release published.

Related projects

  • Jsonnet is directly related to go-jsonnet, jsonnet-bundler, Jsonnet language bindings, jsonnetfmt, and configuration ecosystems that consume generated JSON or YAML.

security posture

Risk level: green

narrow executable package without higher-risk signals.

Risk classifier

green risk · low confidence · appliance

Why

  • narrow executable package without higher-risk signals

Signals

  • metadata:no-higher-risk-signals

Install behavior

  • No Homebrew bottle metadata was recorded.

Recommended review

Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.

executables

Installed executables

CommandKindExposureNote
jsonnetexecutableindexed executableDiscovered from the local executable index.
jsonnetfmtexecutableindexed executableDiscovered from the local executable index.

freshness

Version and freshness

These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.

page generated2026-08-03
manager version0.22.0
manager updated2026-07-24
local dataunknown
upstreamnot available
latest detectednot detected
  • okNo freshness warnings were generated.

install metadata

Package metadata

Package keybrew:jsonnet
Version0.22.0
Package managerHomebrew
Homepagehttps://jsonnet.org/
Repositoryhttps://github.com/google/jsonnet
Last updated2026-07-24T15:58:49+02:00
Pulseupdated
Bottlenot recorded
Servicenone declared

source trail

Generated from repository data

This page is generated by av-web from the private package SQLite artifact built by scripts/generate-pkg-sqlite.py.

Used sources

  • Geiger risk classifier
  • Nucleus package database
  • curated package history
  • pkgdb category and tag curation