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module SlackBuilder.Download
( cloneAndArchive
, commit
, download
, hostedSources
, remoteFileExists
, updateSlackBuildVersion
) where
import Data.ByteString (ByteString)
import qualified Data.ByteString as ByteString
import Data.Text (Text)
import qualified Data.Text as Text
import qualified Data.Text.IO as Text.IO
import SlackBuilder.Config
import SlackBuilder.Trans
import Control.Monad.Trans.Reader (asks)
import Control.Monad.IO.Class (MonadIO(liftIO))
import System.IO (IOMode(..), withFile)
import System.FilePath ((</>), (<.>))
import System.Process
( CreateProcess(..)
, StdStream(..)
, proc
, readCreateProcessWithExitCode
, callProcess
)
import System.Exit (ExitCode(..))
import Control.Monad (unless)
import Text.URI (URI(..), mkURI)
import Network.HTTP.Req
( useHttpsURI
, HEAD(..)
, NoReqBody(..)
, req
, runReq
, defaultHttpConfig
, ignoreResponse
, responseStatusCode
, HttpConfig(..)
, GET(..)
, reqBr
)
import Data.Functor ((<&>))
import Network.HTTP.Client (BodyReader, Response(..), brRead)
import Conduit
( ConduitT
, yield
, runConduitRes
, sinkFile
, (.|)
, ZipSink(..)
, await
)
import Crypto.Hash (Digest, MD5, hashInit, hashFinalize, hashUpdate)
import Data.Void (Void)
updateSlackBuildVersion :: Text -> Text -> SlackBuilderT ()
updateSlackBuildVersion packagePath version = do
repository' <- SlackBuilderT $ asks repository
let name = Text.unpack $ snd $ Text.breakOnEnd "/" packagePath
slackbuildFilename = repository'
</> Text.unpack packagePath
</> (name <.> "SlackBuild")
slackbuildContents <- liftIO $ Text.IO.readFile slackbuildFilename
let (contentsHead, contentsTail) = Text.dropWhile (/= '\n')
<$> Text.breakOn "VERSION=${VERSION:-" slackbuildContents
liftIO $ Text.IO.writeFile slackbuildFilename
$ contentsHead <> "VERSION=${VERSION:-" <> version <> "}" <> contentsTail
commit :: Text -> Text -> SlackBuilderT ()
commit packagePath version = do
branch' <- SlackBuilderT $ Text.unpack <$> asks branch
repository' <- SlackBuilderT $ asks repository
let message = Text.unpack
$ packagePath <> ": Updated for version " <> version
(checkoutExitCode, _, _) <- liftIO
$ withFile "/dev/null" WriteMode
$ testCheckout repository' branch'
unless (checkoutExitCode == ExitSuccess)
$ liftIO
$ callProcess "git" ["-C", repository', "checkout", "-b", branch', "master"]
liftIO
$ callProcess "git" ["-C", repository', "add", Text.unpack packagePath]
>> callProcess "git" ["-C", repository', "commit", "-S", "-m", message]
where
testCheckout repository' branch' nullHandle =
let createCheckoutProcess = (proc "git" ["-C", repository', "checkout", branch'])
{ std_in = NoStream
, std_err = UseHandle nullHandle
}
in readCreateProcessWithExitCode createCheckoutProcess ""
hostedSources :: Text -> SlackBuilderT URI
hostedSources absoluteURL = SlackBuilderT (asks downloadURL)
>>= liftIO . mkURI . (<> absoluteURL)
remoteFileExists :: Text -> SlackBuilderT Bool
remoteFileExists url = hostedSources url
>>= traverse (runReq httpConfig . go . fst) . useHttpsURI
<&> maybe False ((== 200) . responseStatusCode)
where
httpConfig = defaultHttpConfig
{ httpConfigCheckResponse = const $ const $ const Nothing
}
go uri = req HEAD uri NoReqBody ignoreResponse mempty
uploadCommand :: Text -> Text -> SlackBuilderT ()
uploadCommand localPath remotePath' = do
remoteRoot <- SlackBuilderT $ asks remotePath
liftIO $ callProcess "scp" $ Text.unpack <$>
[ "slackbuilds/" <> localPath
, remoteRoot <> remotePath'
]
cloneAndArchive :: Text -> Text -> FilePath -> Text -> SlackBuilderT ()
cloneAndArchive repo nameVersion tarball tagPrefix = do
let (_, version) = Text.breakOnEnd "-" nameVersion
nameVersion' = Text.unpack nameVersion
repository' <- SlackBuilderT $ asks repository
liftIO $ callProcess "rm" ["-rf", nameVersion']
liftIO $ callProcess "git" ["clone", Text.unpack repo, nameVersion']
liftIO $ callProcess "git"
[ "-C"
, nameVersion'
, "checkout"
, Text.unpack $ tagPrefix <> version
]
liftIO $ callProcess "git"
[ "-C"
, nameVersion'
, "submodule"
, "update"
, "--init"
, "--recursive"
]
liftIO $ callProcess "tar"
[ "Jcvf"
, repository' </> tarball
, nameVersion'
]
liftIO $ callProcess "rm" ["-rf", nameVersion']
responseBodySource :: MonadIO m => Response BodyReader -> ConduitT i ByteString m ()
responseBodySource = bodyReaderSource . responseBody
where
bodyReaderSource br = liftIO (brRead br) >>= go br
go br bs = unless (ByteString.null bs) $ yield bs >> bodyReaderSource br
sinkHash :: Monad m => ConduitT ByteString Void m (Digest MD5)
sinkHash = sink hashInit
where
sink ctx = await
>>= maybe (pure $ hashFinalize ctx) (sink . hashUpdate ctx)
download :: Text -> FilePath -> SlackBuilderT (Maybe (Digest MD5))
download uri target = SlackBuilderT (liftIO $ mkURI uri)
>>= traverse (runReq defaultHttpConfig . go . fst) . useHttpsURI
where
go uri' = reqBr GET uri' NoReqBody mempty readResponse
readResponse :: Response BodyReader -> IO (Digest MD5)
readResponse response = runConduitRes
$ responseBodySource response
.| getZipSink (ZipSink (sinkFile target) *> ZipSink sinkHash)
|
