hakyll/src/Hakyll/Core/Configuration.hs
2013-03-07 18:04:21 +05:30

96 lines
3.4 KiB
Haskell

--------------------------------------------------------------------------------
-- | Exports a datastructure for the top-level hakyll configuration
module Hakyll.Core.Configuration
( Configuration (..)
, shouldIgnoreFile
, defaultConfiguration
) where
--------------------------------------------------------------------------------
import Data.Default (Default(..))
import Data.List (isPrefixOf, isSuffixOf)
import System.FilePath (normalise, takeFileName)
--------------------------------------------------------------------------------
data Configuration = Configuration
{ -- | Directory in which the output written
destinationDirectory :: FilePath
, -- | Directory where hakyll's internal store is kept
storeDirectory :: FilePath
, -- | Directory in which some temporary files will be kept
tmpDirectory :: FilePath
, -- | Directory where hakyll finds the files to compile. This is @.@ by
-- default.
providerDirectory :: FilePath
, -- | Function to determine ignored files
--
-- In 'defaultConfiguration', the following files are ignored:
--
-- * files starting with a @.@
--
-- * files starting with a @#@
--
-- * files ending with a @~@
--
-- * files ending with @.swp@
--
-- Note that the files in 'destinationDirectory' and 'storeDirectory' will
-- also be ignored. Note that this is the configuration parameter, if you
-- want to use the test, you should use 'shouldIgnoreFile'.
--
ignoreFile :: FilePath -> Bool
, -- | Here, you can plug in a system command to upload/deploy your site.
--
-- Example:
--
-- > rsync -ave 'ssh -p 2217' _site jaspervdj@jaspervdj.be:hakyll
--
-- You can execute this by using
--
-- > ./site deploy
--
deployCommand :: String
, -- | Use an in-memory cache for items. This is faster but uses more
-- memory.
inMemoryCache :: Bool
}
--------------------------------------------------------------------------------
instance Default Configuration where
def = defaultConfiguration
--------------------------------------------------------------------------------
-- | Default configuration for a hakyll application
defaultConfiguration :: Configuration
defaultConfiguration = Configuration
{ destinationDirectory = "_site"
, storeDirectory = "_cache"
, tmpDirectory = "_cache/tmp"
, providerDirectory = "."
, ignoreFile = ignoreFile'
, deployCommand = "echo 'No deploy command specified'"
, inMemoryCache = True
}
where
ignoreFile' path
| "." `isPrefixOf` fileName = True
| "#" `isPrefixOf` fileName = True
| "~" `isSuffixOf` fileName = True
| ".swp" `isSuffixOf` fileName = True
| otherwise = False
where
fileName = takeFileName path
--------------------------------------------------------------------------------
-- | Check if a file should be ignored
shouldIgnoreFile :: Configuration -> FilePath -> Bool
shouldIgnoreFile conf path =
destinationDirectory conf `isPrefixOf` path' ||
storeDirectory conf `isPrefixOf` path' ||
tmpDirectory conf `isPrefixOf` path' ||
ignoreFile conf path'
where
path' = normalise path