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GHC 9.10.3 · lts/ghc-9.10.x · c74966e · 2026-09-27

Modulecabal2nix-2.20.1Haskell2010

Distribution.Nixpkgs.Haskell.PackageSourceSpec

2 types
4 values

Packagecabal2nix-2.20.1
Exports6
LanguageHaskell2010
LicenceBSD-3-Clause

datadata HpackUse

ForceHpack PackageYamlHpack NoHpack

datadata Package

Constructors

Package
- pkgSource :: DerivationSource
- pkgRanHpack :: Bool
  If hpack generated a new cabal file
- pkgCabal :: GenericPackageDescription

Instances1Show

Show PackageDefined in cabal2nix-2.20.1 · Distribution.Nixpkgs.Haskell.PackageSourceSpec

valuegetPackage

:: HpackUse
the way hpack should be used.
-> FetchSubmodules
Whether to fetch submodules if fetching from git
-> Maybe FilePath
The path to the Hackage database.
-> Maybe UTCTime
If we have hackage-snapshot time.
-> Source
-> IO Package

valuegetPackage'

:: HpackUse
the way hpack should be used.
-> FetchSubmodules
Whether to fetch submodules if fetching from git
-> IO HackageDB
-> Source
-> IO Package

valueloadHackageDB

:: Maybe FilePath
The path to the Hackage database.
-> Maybe UTCTime
If we have hackage-snapshot time.
-> IO HackageDB

valuesourceFromHackage :: Hash -> String -> FilePath -> IO DerivationSource