mirror of
https://github.com/input-output-hk/foliage.git
synced 2024-12-02 07:54:45 +03:00
9a4d097cde
The function preparePackageVersion is now responsible for doing everything we need to do to be able to include the package in the index. The function also returns a denormalised view of the package information which can be taken as a proof that everything is consistent.
117 lines
4.5 KiB
Haskell
117 lines
4.5 KiB
Haskell
{-# LANGUAGE ViewPatterns #-}
|
|
|
|
module Foliage.CmdImportIndex
|
|
( cmdImportIndex,
|
|
)
|
|
where
|
|
|
|
import Codec.Archive.Tar qualified as Tar
|
|
import Codec.Archive.Tar.Entry qualified as Tar
|
|
import Data.ByteString.Lazy qualified as BSL
|
|
import Data.Foldable (for_)
|
|
import Data.List (isSuffixOf)
|
|
import Data.Map.Strict (Map)
|
|
import Data.Map.Strict qualified as M
|
|
import Data.Maybe (fromMaybe)
|
|
import Data.Time.Clock.POSIX (posixSecondsToUTCTime)
|
|
import Distribution.Package (PackageIdentifier (PackageIdentifier, pkgVersion), pkgName)
|
|
import Distribution.Parsec (simpleParsec)
|
|
import Distribution.Pretty (prettyShow)
|
|
import Distribution.Types.PackageName (unPackageName)
|
|
import Foliage.Meta
|
|
import Foliage.Options
|
|
import Network.URI hiding (path)
|
|
import System.Directory (createDirectoryIfMissing)
|
|
import System.Environment (getEnv)
|
|
import System.FilePath
|
|
|
|
cmdImportIndex :: ImportIndexOptions -> IO ()
|
|
cmdImportIndex opts = do
|
|
putStrLn "EXPERIMENTAL. Import the Hackage index from $HOME/.cabal. Make sure you have done `cabal update` recently."
|
|
home <- getEnv "HOME"
|
|
entries <- Tar.read <$> BSL.readFile (home </> ".cabal/packages/hackage.haskell.org/01-index.tar")
|
|
m <- importIndex indexfilter entries M.empty
|
|
for_ (M.toList m) $ uncurry finalise
|
|
where
|
|
indexfilter = case importOptsFilter opts of
|
|
Nothing -> const True
|
|
(Just f) -> mkFilter f
|
|
|
|
mkFilter (ImportFilter pn Nothing) = (== pn) . unPackageName . pkgName
|
|
mkFilter (ImportFilter pn (Just pv)) = (&&) <$> (== pn) . unPackageName . pkgName <*> (== pv) . prettyShow . pkgVersion
|
|
|
|
importIndex ::
|
|
Show e =>
|
|
(PackageIdentifier -> Bool) ->
|
|
Tar.Entries e ->
|
|
Map PackageIdentifier PackageVersionSpec ->
|
|
IO (Map PackageIdentifier PackageVersionSpec)
|
|
importIndex f (Tar.Next e es) m =
|
|
case isCabalFile e of
|
|
Just (pkgId, contents, time)
|
|
| f pkgId ->
|
|
do
|
|
putStrLn $ "Found cabal file " ++ prettyShow pkgId ++ " with timestamp " ++ show time
|
|
let -- new package
|
|
go Nothing =
|
|
pure $
|
|
Just $
|
|
PackageVersionSpec
|
|
{ packageVersionSource = TarballSource (pkgIdToHackageUrl pkgId) Nothing,
|
|
packageVersionTimestamp = Just time,
|
|
packageVersionRevisions = [],
|
|
packageVersionForce = False
|
|
}
|
|
-- Existing package, new revision
|
|
go (Just sm) = do
|
|
let revnum = 1 + fromMaybe 0 (latestRevisionNumber sm)
|
|
newRevision = RevisionSpec {revisionNumber = revnum, revisionTimestamp = time}
|
|
-- Repeatedly adding at the end of a list is bad performance but good for the moment.
|
|
let sm' = sm {packageVersionRevisions = packageVersionRevisions sm ++ [newRevision]}
|
|
let PackageIdentifier pkgName pkgVersion = pkgId
|
|
let outDir = "_sources" </> unPackageName pkgName </> prettyShow pkgVersion </> "revisions"
|
|
createDirectoryIfMissing True outDir
|
|
BSL.writeFile (outDir </> show revnum <.> "cabal") contents
|
|
return $ Just sm'
|
|
m' <- M.alterF go pkgId m
|
|
importIndex f es m'
|
|
_ -> importIndex f es m
|
|
importIndex _f Tar.Done m =
|
|
return m
|
|
importIndex _f (Tar.Fail e) _ =
|
|
error $ show e
|
|
|
|
pkgIdToHackageUrl :: PackageIdentifier -> URI
|
|
pkgIdToHackageUrl pkgId =
|
|
nullURI
|
|
{ uriScheme = "https:",
|
|
uriAuthority = Just $ nullURIAuth {uriRegName = "hackage.haskell.org"},
|
|
uriPath = "/package" </> prettyShow pkgId </> prettyShow pkgId <.> "tar.gz"
|
|
}
|
|
|
|
finalise ::
|
|
PackageIdentifier ->
|
|
PackageVersionSpec ->
|
|
IO ()
|
|
finalise PackageIdentifier {pkgName, pkgVersion} meta = do
|
|
let dir = "_sources" </> unPackageName pkgName </> prettyShow pkgVersion
|
|
createDirectoryIfMissing True dir
|
|
writePackageVersionSpec (dir </> "meta.toml") meta
|
|
|
|
isCabalFile ::
|
|
Tar.Entry ->
|
|
Maybe (PackageIdentifier, BSL.ByteString, UTCTime)
|
|
isCabalFile
|
|
Tar.Entry
|
|
{ Tar.entryTarPath = Tar.fromTarPath -> path,
|
|
Tar.entryContent = Tar.NormalFile contents _,
|
|
Tar.entryTime = posixSecondsToUTCTime . fromIntegral -> time
|
|
}
|
|
| ".cabal" `isSuffixOf` path =
|
|
let [pkgName, pkgVersion, _] = splitDirectories path
|
|
Just name = simpleParsec pkgName
|
|
Just version = simpleParsec pkgVersion
|
|
packageId = PackageIdentifier name version
|
|
in Just (packageId, contents, time)
|
|
isCabalFile _ = Nothing
|