Whether 'v2-build' should write a .ghc.environment file after
success. Possible values: always, never (the default), 'ghc8.4.4+'
(8.4.4 is the earliest version that supports
'-package-env -').
Instances10Bounded, Enum, Eq, Show, Generic, NFData, …
Bounded WriteGhcEnvironmentFilesPolicyDefined in cabal-install-3.18.1.0 · Distribution.Client.Types.WriteGhcEnvironmentFilesPolicyEnum WriteGhcEnvironmentFilesPolicyDefined in cabal-install-3.18.1.0 · Distribution.Client.Types.WriteGhcEnvironmentFilesPolicyEq WriteGhcEnvironmentFilesPolicyDefined in cabal-install-3.18.1.0 · Distribution.Client.Types.WriteGhcEnvironmentFilesPolicyShow WriteGhcEnvironmentFilesPolicyDefined in cabal-install-3.18.1.0 · Distribution.Client.Types.WriteGhcEnvironmentFilesPolicyGeneric WriteGhcEnvironmentFilesPolicyDefined in cabal-install-3.18.1.0 · Distribution.Client.Types.WriteGhcEnvironmentFilesPolicyNFData WriteGhcEnvironmentFilesPolicyDefined in cabal-install-3.18.1.0 · Distribution.Client.Types.WriteGhcEnvironmentFilesPolicyBinary WriteGhcEnvironmentFilesPolicyDefined in cabal-install-3.18.1.0 · Distribution.Client.Types.WriteGhcEnvironmentFilesPolicyParsec WriteGhcEnvironmentFilesPolicyDefined in cabal-install-3.18.1.0 · Distribution.Client.Types.WriteGhcEnvironmentFilesPolicyStructured WriteGhcEnvironmentFilesPolicyDefined in cabal-install-3.18.1.0 · Distribution.Client.Types.WriteGhcEnvironmentFilesPolicytype Rep WriteGhcEnvironmentFilesPolicy = D1 ('MetaDataDefined in cabal-install-3.18.1.0 · Distribution.Client.Types.WriteGhcEnvironmentFilesPolicy"WriteGhcEnvironmentFilesPolicy"
"Distribution.Client.Types.WriteGhcEnvironmentFilesPolicy"
"cabal-install-3.18.1.0-4MgBWnQbRpBByysMMKvgoy"
'False) (C1 ('MetaCons"AlwaysWriteGhcEnvironmentFiles"
'PrefixI 'False) U1 :+: (C1 ('MetaCons"NeverWriteGhcEnvironmentFiles"
'PrefixI 'False) U1 :+: C1 ('MetaCons"WriteGhcEnvironmentFilesOnlyForGhc844AndNewer"
'PrefixI 'False) U1))