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{- This Source Code Form is subject to the terms of the Mozilla Public License,
v. 2.0. If a copy of the MPL was not distributed with this file, You can
obtain one at https://mozilla.org/MPL/2.0/. -}
module SlackBuilder.Download
( cloneAndUpload
, cloneAndArchive
, commit
, download
, hostedSources
, remoteFileExists
, updateSlackBuildVersion
, uploadCommand
) where
import Data.ByteString (ByteString)
import qualified Data.ByteString as ByteString
import Data.Map.Strict (Map)
import qualified Data.Map.Strict as Map
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 ((</>), (<.>), takeFileName, takeDirectory)
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
, sourceFile
)
import Crypto.Hash (Digest, MD5, hashInit, hashFinalize, hashUpdate)
import Data.Void (Void)
updateSlackBuildVersion :: Text -> Text -> Map Text Text -> SlackBuilderT ()
updateSlackBuildVersion packagePath version additionalDownloads = 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 slackbuildLines = replaceLine . updateLineVariable "VERSION" version
<$> Text.lines slackbuildContents
liftIO $ Text.IO.writeFile slackbuildFilename $ Text.unlines slackbuildLines
where
replaceLine line = Map.foldrWithKey updateLineDependencyVersion line additionalDownloads
updateLineDependencyVersion dependencyName = updateLineVariable
$ dependencyName <> "_VERSION"
updateLineVariable variableName variableValue line
| Text.isPrefixOf (variableName <> "=") line =
variableName <> "=${" <> variableName <> ":-" <> variableValue <> "}"
| otherwise = line
commit :: Text -> Text -> SlackBuilderT ()
commit packagePath version = do
branch' <- SlackBuilderT $ Text.unpack <$> asks branch
repository' <- SlackBuilderT $ asks repository
signature' <- SlackBuilderT $ asks $ signature . maintainer
let message = Text.unpack
$ packagePath <> ": Updated for version " <> version
mainCommitArguments = ["-C", repository', "commit", "-m", message]
commitArguments =
if signature'
then mainCommitArguments <> ["-S"]
else mainCommitArguments
(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" commitArguments
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 :: FilePath -> Text -> SlackBuilderT ()
uploadCommand localPath remotePath' = do
remoteRoot <- SlackBuilderT $ asks remotePath
localPathFromRepository <- relativeToRepository localPath
liftIO $ callProcess "scp"
[ localPathFromRepository
, Text.unpack $ remoteRoot <> remotePath'
]
cloneAndArchive :: Text -> FilePath -> Text -> SlackBuilderT ()
cloneAndArchive repo tarballPath tagPrefix = do
let version = snd $ Text.breakOnEnd "-"
$ Text.pack $ takeFileName tarballPath
repositoryTarballPath <- relativeToRepository tarballPath
repositoryArchivePath <- relativeToRepository $ tarballPath <.> "tar.xz"
liftIO
$ callProcess "rm" ["-rf", repositoryTarballPath]
>> callProcess "git"
[ "clone"
, Text.unpack repo
, repositoryTarballPath
]
>> callProcess "git"
[ "-C"
, repositoryTarballPath
, "checkout"
, Text.unpack $ tagPrefix <> version
]
>> callProcess "git"
[ "-C"
, repositoryTarballPath
, "submodule"
, "update"
, "--init"
, "--recursive"
]
>> callProcess "tar"
["Jcvf"
, repositoryArchivePath
, repositoryTarballPath
]
>> callProcess "rm" ["-rf", repositoryTarballPath]
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 :: URI -> FilePath -> SlackBuilderT (Maybe (Digest MD5))
download uri target = traverse (runReq defaultHttpConfig . go . fst)
$ useHttpsURI uri
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)
cloneAndUpload :: Text -> FilePath -> Text -> SlackBuilderT (Maybe (URI, Digest MD5))
cloneAndUpload repo tarballPath tagPrefix = do
localPath <- relativeToRepository $ tarballPath <.> "tar.xz"
let packageName = takeFileName $ takeDirectory tarballPath
remoteArchivePath = Text.cons '/' $ Text.pack
$ packageName </> takeFileName tarballPath <.> "tar.xz"
remoteResultURI <- hostedSources remoteArchivePath
remoteFileExists' <- remoteFileExists remoteArchivePath
if remoteFileExists'
then fmap (remoteResultURI,) <$> download remoteResultURI localPath
else
let go = sourceFile localPath .| sinkHash
in cloneAndArchive repo tarballPath tagPrefix
>> uploadCommand localPath remoteArchivePath
>> liftIO (runConduitRes go) <&> Just . (remoteResultURI,)
|
