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------------------------------------------------------------------------------
--- |
--- Module : Hadrian.Builder.Tar
--- Copyright : (c) Andrey Mokhov 2014-2017
--- License : MIT (see the file LICENSE)
--- Maintainer : andrey.mokhov@gmail.com
--- Stability : experimental
---
--- Support for invoking the archiving utility @tar@.
------------------------------------------------------------------------------
-module Hadrian.Builder.Tar (TarMode (..), args) where
-
-import Development.Shake
-import Development.Shake.Classes
-import GHC.Generics
-import Hadrian.Expression
-
--- | Tar can be used to 'Create' an archive or 'Extract' from it.
-data TarMode = Create | Extract deriving (Eq, Generic, Show)
-
-instance Binary TarMode
-instance Hashable TarMode
-instance NFData TarMode
-
--- | Default command line arguments for invoking the archiving utility @tar@.
-args :: (ShakeValue c, ShakeValue b) => TarMode -> Args c b
-args Create = mconcat
- [ arg "-c"
- , output "//*.gz" ? arg "--gzip"
- , output "//*.bz2" ? arg "--bzip2"
- , output "//*.xz" ? arg "--xz"
- , arg "-f", arg =<< getOutput
- , getInputs ]
-args Extract = mconcat
- [ arg "-x"
- , input "*.gz" ? arg "--gzip"
- , input "*.bz2" ? arg "--bzip2"
- , input "*.xz" ? arg "--xz"
- , arg "-f", arg =<< getInput
- , arg "-C", arg =<< getOutput ]