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CHANGELOG.md

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Revision history for haskell-flake

Unreleased

  • Enhancements
    • Support meta.description in flake apps. Requires newer version of flake-parts.

0.5.0 (Jun 24, 2024)

  • Breaking changes
    • #221: Switch from buildFromCabalSdist to buildFromSdist, to allow using non-standard package sets (wherein cabal-install is otherwise built without using user's overrides)
      • #253: Enable controlling buildFromSdist through settings.<name>.buildFromSdist. (This was turned off by default originally, but was turned on by default in #286, limited to packages defined by haskell-flake in #298 & #306)
  • Enhancements
    • settings module:
      • #210: Add extraLibraries to settings module.
      • #225: Add removeReferencesTo to settings module.
    • #275: Fine grained settings defaults via defaults.settings.{local, defined, all}
    • #277: Add otherOverlays option to add custom Haskell package overlays.
    • #215: Improved debug logging.
      • #216: Remove debug option (pass --trace-verbose to nix instead)
  • Fixes
    • #222: Improve cabal.project parser by handling files not ending with newline
    • #271, #223: Change all types.attrsOf to types.lazyAttrsOf. If you use lib.mkIf for attrsOf values (not submodule options), use lib.optionalAttrs instead. This fixes #270 (basePackages) and improves performance.
    • #296: Fix removeConfigureFlags to actually work.
    • #297: Fix brokenVersions to actually work.

0.4.0 (Aug 22, 2023)

  • #162: Completely new way to override Haskell packages: removed overrides and source-overrides. Use packages to specify your source overrides; use settings to override individual packages in modular fashion (like NixOS modules). Additional changes include:
    • Add package.<name>.cabal.executables referring to the executables in a package. This is auto-detected by parsing the Cabal file.
    • Add packages.<name>.local.* to determine of a package is a local package or not.
    • Add projectFlakeName option (useful in debug logging prefix)
    • flake.haskellFlakeProjectModules: Dropped all defaults, except the output module, which now exports packages and settings. Added a defaults.projectModules.output option that allows the user to override this module, or directly access the generated module.
    • Add project.config.defaults.settings.default defining sensible defaults for local packages.
    • Add project.config.defaults.enable to turn off all default settings en masse.
    • Regressions in this PR: #169, #178
  • #175: devShell: Add options benchmark (to enable benchmark dependencies) and hoogle (whether to include Hoogle in development shell)
  • #189: Use types.str instead of types.string in option types

0.3.0 (May 22, 2023)

  • #134: Add autoWire option to control generation of flake outputs
    • #138: Add checks to outputs submodule
    • #143: Changed autoWire to be an enum type, for granular controlling of which outputs to autowire.
  • #137: Expose cabal executables as flake apps. Add a corresponding outputs.apps option, while the outputs.localPackages option is renamed to outputs.packages (it now contains package metadata, including packages and its executables).
    • #151: Use lib.getBin to get the bin output
  • #148: Remove automatic hpack->cabal generation. Use pre-commit-hooks.nix instead.
  • #149: Fix unnecessary re-runs of cabal2nix evaluation. Add a debug option to have haskell-flake produce diagnostic messages.
  • #153: Add config.defaults submodule to allow overriding the default devShell tools added by haskell-flake

0.2.0 (Mar 13, 2023)

  • New features
    • #68, #79, #106: Add support for project modules that can be imported in imports. Export them in flake.haskellFlakeProjectModules. Default modules are exported by default, to reuse overrides and local packages from external flakes. For details, see https://haskell.flake.page/modules
      • #67: overrides will be combined using composeManyExtensions, however their order is arbitrary. This is an experimental feature, and a warning will be logged.
    • Dev shell
      • #37: Devshell can now be disabled using devShell.enable = false; (useful if you want haskell-flake to produce just the package outputs)
      • #92: Add devShell.mkShellArgs to pass custom arguments to mkShell
      • #111: Add devShell.extraLibraries to add custom Haskell libraries to the devshell.
    • #63, #52: Add config.haskellProjects.${name}.outputs containing all flake outputs for that project; as well as (#102) finalPackages and localPackages.
    • #49 & #91 & #110: The default value for the packages option is now determined from the cabal.project file. If it doesn't exist, it looks for top-level .cabal file or package.yaml. Better hpack support throughout.
    • #100: source-overrides option now supports specifying Hackage versions as string.
    • #114: Prevent unnecessary Nix rebuilds of packages in sub-directories when parent contents change.
  • API changes
    • #37: Group buildTools (renamed to tools), hlsCheck and hlintCheck under the new devShell submodule option
    • #64: Remove hlintCheck (use treefmt-nix instead)
    • #52: Rename haskellPackages to basePackages. Overlays are applied on top of basePackage -- using source-overrides, overrides, packages in that order -- to produce finalPackages.
    • #69: The default flake template creates flake.nix only, while the #example one creates the full Haskell project template.

0.1.0 (Feb 1, 2023)

  • Initial release