Stack.GhcPkg

Functions for the GHC package database.

Documentation

getGlobalDB :: (MonadIO m, MonadLogger m, MonadBaseControl IO m, MonadCatch m) => EnvOverride -> WhichCompiler -> m (Path Abs Dir)

Get the global package database

data EnvOverride

Override the environment received by a child process.

envHelper :: EnvOverride -> Maybe [(String, String)]

Helper conversion function.

findGhcPkgField

Arguments

:: (MonadIO m, MonadLogger m, MonadBaseControl IO m, MonadCatch m)

=> EnvOverride

-> WhichCompiler

-> [Path Abs Dir]

package databases

-> String

package identifier, or GhcPkgId

-> Text

-> m (Maybe Text)

Get the value of a field of the package.

createDatabase :: (MonadIO m, MonadLogger m, MonadBaseControl IO m, MonadCatch m) => EnvOverride -> WhichCompiler -> Path Abs Dir -> m ()

Create a package database in the given directory, if it doesn't exist.

unregisterGhcPkgId

Arguments

:: (MonadIO m, MonadLogger m, MonadCatch m, MonadBaseControl IO m)

=> EnvOverride

-> WhichCompiler

-> CompilerVersion

-> Path Abs Dir

package database

-> GhcPkgId

-> PackageIdentifier

-> m ()

getCabalPkgVer :: (MonadThrow m, MonadIO m, MonadLogger m, MonadBaseControl IO m, MonadCatch m) => EnvOverride -> WhichCompiler -> m Version

Get the version of Cabal from the global package database.

ghcPkgExeName :: WhichCompiler -> String

Get the name to use for "ghc-pkg", given the compiler version.

mkGhcPackagePath :: Bool -> Path Abs Dir -> Path Abs Dir -> [Path Abs Dir] -> Path Abs Dir -> Text

Get the value for GHC_PACKAGE_PATH