# Changelog

All notable changes to this package will be documented in this file.

The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).

## 0.5.0.0 - 2025-07-18

- `init` now installs synchronous signal handlers for you. You may remove your call to `installDefaultSigINTHandler`.

## 0.4.0.0 - 2025-05-05

- **REMOVE** `evalArgs`. This removes a dependency on the otherwise unused nix-cmd library. Use `valueFromExpressionString` and a library like `optparse-applicative` instead to create a nicer user experience.
- Nix 2.28 support

## 0.3.6.5 - 2024-11-15

- Nix 2.24 support
  This includes the newly separate `nix-flake` library as a dependency of `hercules-ci-cnix-expr`.

## 0.3.6.4 - 2024-06-12

Got rid of unnecessary data files, improving packaging.

## 0.3.6.3 - 2024-05-19

Solve build warnings.

## 0.3.6.2 - 2024-05-03

### Fixed

 - Remove most uses of `c_str()`, of which at least one exhibited undefined behavior.

## 0.3.6.1 - 2024-02-12

### Added

- Nix support up to 2.20

## 0.3.6.0 - 2023-06-28

### Added

 - `allowThreads`, `runInGcSafeThread`

 - Nix 2.15 support

 - Nix 2.16 support

## 0.3.5.1 - 2023-03-06

### Added

 - Nix 2.14 support

 - Nix 2.13 support

## 0.3.5.0 - 2022-12-29

### Added

 - `initThread` for stack overflow handling

## 0.3.4.0 - 2022-11-15

### Added

 - `::??`, `#??` for redundantly optional types: unset or null
 - Schema module instances for `()` representing `null`
 - `InvalidValue` constructor for `NixException`
 - `.` and `?` type operators for field access and optional field access
 - Schema module instances for `[a]` for Nix lists of `a`,
 - Schema `Int64` (= `NixInt`) instance for Nix integers
 - Schema `traverseArray` helper for traversing Nix lists (should have been renamed)


## 0.3.3.0 - 2022-06-21

### Added

 - Nix 2.9 support


## 0.3.2.0 - 2022-05-17

### Added

 - Nix 2.8 support

## 0.3.1.2 - 2022-04-08

### Fixed

 - `getFlakeFromGit` now handles branch names correctly

## 0.3.1.1 - 2022-03-21

### Fixed

 - Add test data that was missing from the sdist tarball

### Removed

 - Clean up inline-c generated exports

## 0.3.1.0 - 2022-03-18

### Added

 - `instance ToValue (PSObject t)`

## 0.3.0.0 - 2022-03-15

### Added

 - `ToValue` and `ToRawValue` classes for converting Haskell values
   to Nix values.

 - `Hercules.CNix.Expr.Schema` module for a typed interface between
   code in the Nix language and Haskell. This also includes
   provenance tracking, improving error messages while reducing
   error handling noise in the Haskell code.

 - `addAllowedPath`, `addInternalAllowedPaths` for use with restricted mode.

### Changed

 - Flakes are enabled during `init`

### Removed

 - Nix 2.3 support

## 0.2.0.2 - 2022-03-09

### Added

 - Nix 2.7 support

## 0.2.0.1 - 2022-03-07

### Fixed

 - Build with newer Nix versions 2.5, 2.6

### Added

 - Improved conditional code support with `cabal-pkg-config-version-hook`

## 0.2.0.0 - 2021-06-22

### Added

 - nixUnstable compatibility with flag `nix-2_4`

## 0.1.0.0 - 2021-03-07

### Added

 - First code based on Hercules CI Agent.