Easy PureScript Nix
A Nix-based toolchain for easily installing and managing PureScript and related development tools.
What is Easy PureScript Nix?
Easy PureScript Nix is a Nix-based project that provides easy installation and management of PureScript compilers, package managers, and development tools. It solves the problem of version conflicts and dependency management in PureScript development by leveraging Nix's reproducible build system. The project offers derivations for multiple PureScript versions and tools that can be used with nix-shell, nix-env, or Nix flakes.
PureScript developers who want reproducible development environments, Nix users looking for reliable PureScript tooling, and teams needing consistent build environments across different machines.
Developers choose Easy PureScript Nix because it provides version-pinned, reproducible PureScript toolchains that eliminate dependency conflicts. Unlike manual installations or other package managers, it guarantees consistent environments using Nix's deterministic build system.
Overview
Easy PureScript (and other tools) with Nix
Use Cases
Best For
- Setting up reproducible PureScript development environments
- Managing multiple PureScript compiler versions on the same system
- Creating custom development shells with specific tool versions
- Ensuring consistent PureScript tooling across team members
- Integrating PureScript tooling into Nix-based CI/CD pipelines
- Quickly starting PureScript projects with a complete toolchain
Not Ideal For
- Developers on Windows without WSL2 or native Nix support, as Nix has limited compatibility on Windows
- Projects that rely exclusively on non-Nix package managers like npm or system packages and avoid Nix overhead
- Teams with strict security policies requiring vetted, internal toolchains instead of external GitHub derivations
- Quick prototyping or one-off scripts where setting up a Nix environment adds unnecessary complexity
Pros & Cons
Pros
Provides derivations for specific PureScript compiler versions like 0.14.4 and 0.15.8, allowing precise version pinning to avoid conflicts.
Leverages Nix's deterministic builds to ensure consistent tooling across machines, as highlighted in the README's philosophy and usage examples.
Works seamlessly with nix-shell, nix-env, and Nix flakes, offering various patterns like custom shells and deluxe setups for different workflows.
Includes not only the PureScript compiler but also package managers (Spago, Psc-Package), language servers, and development tools, providing a complete setup.
Cons
Requires Nix installation and familiarity with Nix concepts, adding complexity compared to standard PureScript tool installations via npm or system packages.
Locked into the Nix ecosystem, making it unsuitable for teams not using Nix elsewhere and introducing vendor lock-in for tool management.
Derivations may lag behind latest PureScript releases, as seen in README examples using older versions, which could delay access to new features.
Frequently Asked Questions
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