macOS
Homebrewverified · 100%
brew install jrsonnetlocal Homebrew formula metadata
brew / rank 9051
Install jrsonnet with Homebrew, Nix
Rust implementation of Jsonnet language. Version 0.4.2 via Homebrew; verified 2026-07-04. Also installable with nix: nix profile install nixpkgs#jrsonnet.
install
Additional install commands
Linux
Nixverified · 92%
nix profile install nixpkgs#jrsonnetnixpkgs package indexes · pkgs/by-name/jr/jrsonnet/package.nix · source: api.github.com
overview
Package summary
Rust implementation of Jsonnet language
Project links
Commands and aliases
- jrsonnet
history
Project history and usage
jrsonnet is a Rust implementation of Jsonnet, the data-templating language used to generate JSON and configuration data. It packages both a Jsonnet library and a command-line executable, positioning itself as an alternative to the original C++ implementation and the Go and Scala implementations.
Project history
The public GitHub repository was created in May 2020 under CertainLach's project namespace and later appeared under the deltarocks organization while retaining redirects from the original URL. The README describes the project as an experiment in implementing Jsonnet in Rust, with additional syntax experiments and bindings beyond the CLI.
Adoption history
Adoption is niche and mostly package-manager driven: the README documents NixOS packaging, Homebrew packaging on macOS, release binaries for Windows and Linux, crates.io publication, and language bindings including Python and WebAssembly/JSR. Homebrew packages the 0.4.2 release from the GitHub tag archive.
How it is used
Users reach for jrsonnet when they want a Rust-native Jsonnet evaluator, a drop-in-style libjsonnet shared library, or bindings that expose Jsonnet evaluation inside other Rust, Python, JavaScript, or C/C++ environments.
Why package nerds care
jrsonnet matters to package-tooling people because Jsonnet is common in infrastructure configuration, and alternative implementations change the performance, embedding, and distribution story. A Rust Jsonnet implementation with crates.io, Nix, Homebrew, Python, and WebAssembly surfaces is exactly the sort of cross-ecosystem packaging knot that nerds notice.
Timeline
- 2020: Public GitHub repository created for the Rust Jsonnet implementation.
- 2022: Pre-release builds in the v0.5.0 series began appearing on GitHub releases.
- 2026: Homebrew packaged jrsonnet 0.4.2 from the GitHub tag archive.
Related projects
- Related projects include Google's original Jsonnet implementation, go-jsonnet, sjsonnet, rsjsonnet, and rjsonnet-py, the Python bindings built on jrsonnet.
Sources
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
| Command | Kind | Exposure | Note |
|---|---|---|---|
jrsonnet | executable | indexed executable | Discovered 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 version0.4.2
manager updated2026-07-04
local dataunknown
upstreamnot available
latest detectednot detected
- okNo freshness warnings were generated.
install metadata
Package metadata
| Package key | brew:jrsonnet |
|---|---|
| Version | 0.4.2 |
| Package manager | Homebrew |
| Homepage | https://github.com/deltarocks/jrsonnet |
| Repository | https://github.com/deltarocks/jrsonnet |
| Last updated | 2026-07-04T16:53:43+09:00 |
| Pulse | updated |
| Bottle | not recorded |
| Service | none declared |
source database matches
Other package-manager records
Matches are pulled from external package-manager indexes and kept separate from local Automic Vault package links.
Nix95%
jrsonnet
nix profile install nixpkgs#jrsonnet- normalized package name match
- Matched by: Jrsonnet
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.
Combined YAML source
View the package source record on GitHub.
Used sources
- Geiger risk classifier
- cross-ecosystem install command graph
- curated package history
- external package-manager database matches
- pkg.so package database
- pkgdb category and tag curation