install

Additional install commands

macOS

Homebrewverified · 100%

brew install greenmask

local Homebrew formula metadata

Linux

Nixverified · 92%

nix profile install nixpkgs#greenmask

nixpkgs package indexes · pkgs/by-name/gr/greenmask/package.nix · source: api.github.com

overview

Package summary

PostgreSQL dump and obfuscation tool

Project links

Commands and aliases

greenmask

history

Project history and usage

Greenmask is an open-source database dump, anonymization, synthetic-data generation, and restore tool aimed at PostgreSQL workflows, with MySQL work represented in the project materials as a developing area. Its history is short but well documented through official release notes and GitHub releases.

Project history

The project presents itself as a stateless logical dump proxy that does not require database schema changes and remains compatible with familiar PostgreSQL tools such as pg_restore. That design places it closer to backup and staging-data infrastructure than to an application-level masking library.

The v0.1.0 release notes describe the January 2024 release as the first production-ready version, with CI/CD, a Docker Compose playground, transformer improvements, JSON-line protocol fixes, and binary assets. The v0.2.0 release notes describe an October 2024 milestone focused on database subsetting, pgzip compression, topological restore order, INSERT-format restoration, dynamic transformer parameters, and transformer-engine refactoring.

Adoption history

Greenmask entered package-manager culture as a CLI for teams that need repeatable sanitized databases for staging, analytics, and development. The batch package facts show Homebrew and Nix packaging, while upstream distributes release assets, Docker-oriented workflows, and documentation that emphasizes CI/CD integration.

How it is used

Greenmask is used around logical backup and restore flows: dump a database, apply transformations or subsets, store the result locally or in S3-compatible storage, and restore into another environment. The documentation emphasizes deterministic transformers, dynamic parameters, validation output, schema diff checks, and compatibility with PostgreSQL dump/restore routines.

The default configuration convention in the batch curation is config.yml, matching the project's example configuration style.

Why package nerds care

Greenmask matters to package users because it packages a messy operational workflow into one repeatable binary: masked dumps, synthetic data, subsetting, restore order, and storage backends. That makes it attractive for development environments where production-like data is useful but raw production data is unsafe.

For Homebrew-style packaging, it is also a representative modern Go CLI: single binary, release assets, Docker examples, and docs-first operational commands.

Timeline

2024: v0.1.0 release notes marked the first production-ready version.
2024: v0.2.0 added database subsetting, pgzip support, topological restore order, and transformer refactoring.
2025: v1.0.0b1 release metadata appeared for the 1.0 beta line.
2026: v0.2.x releases continued through v0.2.21 in the official GitHub release feed.

Related projects

PostgreSQL pg_dump and pg_restore are central compatibility references in the documentation.
Docker Compose, MinIO, and S3-compatible storage appear in the official examples and feature descriptions.
Transformer concepts such as random, hash, template, and CMD transformers form the project's internal extension surface.

Sources

security posture

No protected-tool coverage found yet

No matching local secret-handling manifest was found for greenmask. Nucleus package metadata is still published here so future coverage has a stable package URL.

Install behavior

No Homebrew post-install hook is recorded in formula metadata.
Homebrew bottle metadata is available for 6 platform targets.
Build metadata lists 1 build dependencies.

Recommended review

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

local files

Configuration and credential file locations

These source-backed paths show where this package keeps local settings or durable credentials. Automic Vault can use them as review targets for secret scanning, migration, and command approval.

Configuration files

Config paths the tool may read or write during local use.

Unix: config.yml

executables

Installed executables

Command	Kind	Exposure	Note
`greenmask`	cli	global executable

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 generated2026-07-08

manager version0.2.22

manager updated2026-07-01

local dataok

upstreamcurrent

latest detectedv0.2.22

https://github.com/GreenmaskIO/greenmask

okNo freshness warnings were generated.

install metadata

Package metadata

Package key	brew:greenmask
Version	0.2.22
Package manager	Homebrew
Package manager page	https://formulae.brew.sh/formula/greenmask
Homepage	https://www.greenmask.io/
Repository	https://github.com/GreenmaskIO/greenmask
Upstream docs	https://docs.greenmask.io/
License	Apache-2.0
Source archive	https://github.com/GreenmaskIO/greenmask/archive/refs/tags/v0.2.22.tar.gz
Last updated	2026-07-01T18:24:11Z
Pulse	updated
Build dependencies	go
Bottle	available (on arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux)
Homebrew post-install	not defined
Service	none declared

registry facts

Source database details

Source Database	Homebrew formula API
Tap	homebrew/core
Full Name	greenmask
Version Scheme	0
Revision	0
Head Version	HEAD
Bottle Stable Root URL	https://ghcr.io/v2/homebrew/core
Deprecated	no
Disabled	no
Keg Only	no
URL Keys	head stable

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%

greenmask

nix profile install nixpkgs#greenmask

normalized package name match
Matched by: Greenmask

nixpkgs package indexes · api.github.com · nixpkgs package indexes: pkgs/by-name/gr/greenmask/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1

package graph

Links come from deterministic package relationships, av.db category and tag curation, ecosystem matches, and package hub membership.

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.

combined/greenmask.yml

Used sources

Geiger risk classifier
Nucleus package database
av.db category and tag curation
cross-ecosystem install command graph
curated configuration and credential file locations
curated package history
external package-manager database matches
package relationship graph
package version freshness
package-page enrichment

Install greenmask with Homebrew, Nix