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module Text.Hakyll
( hakyll
) where
import Network.Hakyll.SimpleServer (simpleServer)
import System.Environment (getArgs, getProgName)
import System.Directory (doesDirectoryExist, removeDirectoryRecursive)
-- | Main function to run hakyll.
hakyll :: IO () -> IO ()
hakyll buildFunction = do
args <- getArgs
case args of ["build"] -> build buildFunction
["clean"] -> clean
["preview", p] -> build buildFunction >> server (read p)
["preview"] -> build buildFunction >> server 8000
["server", p] -> server (read p)
["server"] -> server 8000
_ -> help
-- | Build the site.
build :: IO () -> IO ()
build buildFunction = do putStrLn "Generating..."
buildFunction
-- | Clean up directories.
clean :: IO ()
clean = do remove' "_cache"
remove' "_site"
where
remove' dir = do putStrLn $ "Removing " ++ dir ++ "..."
exists <- doesDirectoryExist dir
if exists then removeDirectoryRecursive dir
else return ()
-- | Show usage information.
help :: IO ()
help = do
name <- getProgName
putStrLn $ "This is a Hakyll site generator program. You should always\n"
++ "run it from the project root directory.\n"
++ "\n"
++ "Usage:\n"
++ name ++ " build Generate the site.\n"
++ name ++ " clean Clean up and remove cache.\n"
++ name ++ " help Show this message.\n"
++ name ++ " preview [port] Generate site, then start a server.\n"
++ name ++ " server [port] Run a local test server.\n"
server :: Integer -> IO ()
server p = do simpleServer (fromIntegral $ p) "_site"
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