cabal-install-0.8.0: Distribution/Client/Setup.hs
-----------------------------------------------------------------------------
-- |
-- Module : Distribution.Client.Setup
-- Copyright : (c) David Himmelstrup 2005
-- License : BSD-like
--
-- Maintainer : lemmih@gmail.com
-- Stability : provisional
-- Portability : portable
--
--
-----------------------------------------------------------------------------
module Distribution.Client.Setup
( globalCommand, GlobalFlags(..), globalRepos
, configureCommand, ConfigFlags(..), filterConfigureFlags
, configureExCommand, ConfigExFlags(..), defaultConfigExFlags
, configureExOptions
, installCommand, InstallFlags(..), installOptions, defaultInstallFlags
, listCommand, ListFlags(..)
, updateCommand
, upgradeCommand
, infoCommand, InfoFlags(..)
, fetchCommand
, checkCommand
, uploadCommand, UploadFlags(..)
, reportCommand
, unpackCommand, UnpackFlags(..)
, initCommand, IT.InitFlags(..)
, parsePackageArgs
--TODO: stop exporting these:
, showRepo
, parseRepo
) where
import Distribution.Client.Types
( Username(..), Password(..), Repo(..), RemoteRepo(..), LocalRepo(..) )
import Distribution.Client.BuildReports.Types
( ReportLevel(..) )
import qualified Distribution.Client.Init.Types as IT
( InitFlags(..), PackageType(..) )
import Distribution.Simple.Program
( defaultProgramConfiguration )
import Distribution.Simple.Command hiding (boolOpt)
import qualified Distribution.Simple.Command as Command
import qualified Distribution.Simple.Setup as Cabal
( configureCommand )
import Distribution.Simple.Setup
( ConfigFlags(..) )
import Distribution.Simple.Setup
( Flag(..), toFlag, fromFlag, flagToList, flagToMaybe
, optionVerbosity, trueArg )
import Distribution.Simple.InstallDirs
( PathTemplate, toPathTemplate, fromPathTemplate )
import Distribution.Version
( Version(Version), anyVersion, thisVersion )
import Distribution.Package
( PackageIdentifier, packageName, packageVersion, Dependency(..) )
import Distribution.Text
( Text(parse), display )
import Distribution.ReadE
( readP_to_E, succeedReadE )
import qualified Distribution.Compat.ReadP as Parse
( ReadP, readP_to_S, char, munch1, pfail, (+++) )
import Distribution.Verbosity
( Verbosity, normal )
import Data.Char
( isSpace, isAlphaNum )
import Data.Maybe
( listToMaybe, maybeToList, fromMaybe )
import Data.Monoid
( Monoid(..) )
import Control.Monad
( liftM )
import System.FilePath
( (</>) )
import Network.URI
( parseAbsoluteURI, uriToString )
-- ------------------------------------------------------------
-- * Global flags
-- ------------------------------------------------------------
-- | Flags that apply at the top level, not to any sub-command.
data GlobalFlags = GlobalFlags {
globalVersion :: Flag Bool,
globalNumericVersion :: Flag Bool,
globalConfigFile :: Flag FilePath,
globalRemoteRepos :: [RemoteRepo], -- ^Available Hackage servers.
globalCacheDir :: Flag FilePath,
globalLocalRepos :: [FilePath]
}
defaultGlobalFlags :: GlobalFlags
defaultGlobalFlags = GlobalFlags {
globalVersion = Flag False,
globalNumericVersion = Flag False,
globalConfigFile = mempty,
globalRemoteRepos = [],
globalCacheDir = mempty,
globalLocalRepos = mempty
}
globalCommand :: CommandUI GlobalFlags
globalCommand = CommandUI {
commandName = "",
commandSynopsis = "",
commandUsage = \_ ->
"This program is the command line interface "
++ "to the Haskell Cabal infrastructure.\n"
++ "See http://www.haskell.org/cabal/ for more information.\n",
commandDescription = Just $ \pname ->
"For more information about a command use:\n"
++ " " ++ pname ++ " COMMAND --help\n\n"
++ "To install Cabal packages from hackage use:\n"
++ " " ++ pname ++ " install foo [--dry-run]\n\n"
++ "Occasionally you need to update the list of available packages:\n"
++ " " ++ pname ++ " update\n",
commandDefaultFlags = defaultGlobalFlags,
commandOptions = \showOrParseArgs ->
(case showOrParseArgs of ShowArgs -> take 2; ParseArgs -> id)
[option ['V'] ["version"]
"Print version information"
globalVersion (\v flags -> flags { globalVersion = v })
trueArg
,option [] ["numeric-version"]
"Print just the version number"
globalNumericVersion (\v flags -> flags { globalNumericVersion = v })
trueArg
,option [] ["config-file"]
"Set an alternate location for the config file"
globalConfigFile (\v flags -> flags { globalConfigFile = v })
(reqArgFlag "FILE")
,option [] ["remote-repo"]
"The name and url for a remote repository"
globalRemoteRepos (\v flags -> flags { globalRemoteRepos = v })
(reqArg' "NAME:URL" (maybeToList . readRepo) (map showRepo))
,option [] ["remote-repo-cache"]
"The location where downloads from all remote repos are cached"
globalCacheDir (\v flags -> flags { globalCacheDir = v })
(reqArgFlag "DIR")
,option [] ["local-repo"]
"The location of a local repository"
globalLocalRepos (\v flags -> flags { globalLocalRepos = v })
(reqArg' "DIR" (\x -> [x]) id)
]
}
instance Monoid GlobalFlags where
mempty = GlobalFlags {
globalVersion = mempty,
globalNumericVersion = mempty,
globalConfigFile = mempty,
globalRemoteRepos = mempty,
globalCacheDir = mempty,
globalLocalRepos = mempty
}
mappend a b = GlobalFlags {
globalVersion = combine globalVersion,
globalNumericVersion = combine globalNumericVersion,
globalConfigFile = combine globalConfigFile,
globalRemoteRepos = combine globalRemoteRepos,
globalCacheDir = combine globalCacheDir,
globalLocalRepos = combine globalLocalRepos
}
where combine field = field a `mappend` field b
globalRepos :: GlobalFlags -> [Repo]
globalRepos globalFlags = remoteRepos ++ localRepos
where
remoteRepos =
[ Repo (Left remote) cacheDir
| remote <- globalRemoteRepos globalFlags
, let cacheDir = fromFlag (globalCacheDir globalFlags)
</> remoteRepoName remote ]
localRepos =
[ Repo (Right LocalRepo) local
| local <- globalLocalRepos globalFlags ]
-- ------------------------------------------------------------
-- * Config flags
-- ------------------------------------------------------------
configureCommand :: CommandUI ConfigFlags
configureCommand = (Cabal.configureCommand defaultProgramConfiguration) {
commandDefaultFlags = mempty
}
configureOptions :: ShowOrParseArgs -> [OptionField ConfigFlags]
configureOptions = commandOptions configureCommand
filterConfigureFlags :: ConfigFlags -> Version -> ConfigFlags
filterConfigureFlags flags cabalLibVersion
| cabalLibVersion >= Version [1,3,10] [] = flags
-- older Cabal does not grok the constraints flag:
| otherwise = flags { configConstraints = [] }
-- ------------------------------------------------------------
-- * Config extra flags
-- ------------------------------------------------------------
-- | cabal configure takes some extra flags beyond runghc Setup configure
--
data ConfigExFlags = ConfigExFlags {
configCabalVersion :: Flag Version,
configPreferences :: [Dependency]
}
defaultConfigExFlags :: ConfigExFlags
defaultConfigExFlags = mempty
configureExCommand :: CommandUI (ConfigFlags, ConfigExFlags)
configureExCommand = configureCommand {
commandDefaultFlags = (mempty, defaultConfigExFlags),
commandOptions = \showOrParseArgs ->
liftOptions fst setFst (configureOptions showOrParseArgs)
++ liftOptions snd setSnd (configureExOptions showOrParseArgs)
}
where
setFst a (_,b) = (a,b)
setSnd b (a,_) = (a,b)
configureExOptions :: ShowOrParseArgs -> [OptionField ConfigExFlags]
configureExOptions _showOrParseArgs =
[ option [] ["cabal-lib-version"]
("Select which version of the Cabal lib to use to build packages "
++ "(useful for testing).")
configCabalVersion (\v flags -> flags { configCabalVersion = v })
(reqArg "VERSION" (readP_to_E ("Cannot parse cabal lib version: "++)
(fmap toFlag parse))
(map display . flagToList))
, option [] ["preference"]
"Specify preferences (soft constraints) on the version of a package"
configPreferences (\v flags -> flags { configPreferences = v })
(reqArg "DEPENDENCY"
(readP_to_E (const "dependency expected") ((\x -> [x]) `fmap` parse))
(map (\x -> display x)))
]
instance Monoid ConfigExFlags where
mempty = ConfigExFlags {
configCabalVersion = mempty,
configPreferences = mempty
}
mappend a b = ConfigExFlags {
configCabalVersion = combine configCabalVersion,
configPreferences = combine configPreferences
}
where combine field = field a `mappend` field b
-- ------------------------------------------------------------
-- * Other commands
-- ------------------------------------------------------------
fetchCommand :: CommandUI (Flag Verbosity)
fetchCommand = CommandUI {
commandName = "fetch",
commandSynopsis = "Downloads packages for later installation or study.",
commandDescription = Nothing,
commandUsage = usagePackages "fetch",
commandDefaultFlags = toFlag normal,
commandOptions = \_ -> [optionVerbosity id const]
}
updateCommand :: CommandUI (Flag Verbosity)
updateCommand = CommandUI {
commandName = "update",
commandSynopsis = "Updates list of known packages",
commandDescription = Nothing,
commandUsage = usagePackages "update",
commandDefaultFlags = toFlag normal,
commandOptions = \_ -> [optionVerbosity id const]
}
upgradeCommand :: CommandUI (ConfigFlags, ConfigExFlags, InstallFlags)
upgradeCommand = configureCommand {
commandName = "upgrade",
commandSynopsis = "Upgrades installed packages to the latest available version",
commandDescription = Nothing,
commandUsage = usagePackages "upgrade",
commandDefaultFlags = (mempty, mempty, mempty),
commandOptions = commandOptions installCommand
}
{-
cleanCommand :: CommandUI ()
cleanCommand = makeCommand name shortDesc longDesc emptyFlags options
where
name = "clean"
shortDesc = "Removes downloaded files"
longDesc = Nothing
emptyFlags = ()
options _ = []
-}
checkCommand :: CommandUI (Flag Verbosity)
checkCommand = CommandUI {
commandName = "check",
commandSynopsis = "Check the package for common mistakes",
commandDescription = Nothing,
commandUsage = \pname -> "Usage: " ++ pname ++ " check\n",
commandDefaultFlags = toFlag normal,
commandOptions = \_ -> []
}
reportCommand :: CommandUI (Flag Verbosity)
reportCommand = CommandUI {
commandName = "report",
commandSynopsis = "Upload build reports to a remote server.",
commandDescription = Nothing,
commandUsage = \pname -> "Usage: " ++ pname ++ " report\n",
commandDefaultFlags = toFlag normal,
commandOptions = \_ -> [optionVerbosity id const]
}
-- ------------------------------------------------------------
-- * Unpack flags
-- ------------------------------------------------------------
data UnpackFlags = UnpackFlags {
unpackDestDir :: Flag FilePath,
unpackVerbosity :: Flag Verbosity
}
defaultUnpackFlags :: UnpackFlags
defaultUnpackFlags = UnpackFlags {
unpackDestDir = mempty,
unpackVerbosity = toFlag normal
}
unpackCommand :: CommandUI UnpackFlags
unpackCommand = CommandUI {
commandName = "unpack",
commandSynopsis = "Unpacks packages for user inspection.",
commandDescription = Nothing,
commandUsage = usagePackages "unpack",
commandDefaultFlags = mempty,
commandOptions = \_ -> [
optionVerbosity unpackVerbosity (\v flags -> flags { unpackVerbosity = v })
,option "d" ["destdir"]
"where to unpack the packages, defaults to the current directory."
unpackDestDir (\v flags -> flags { unpackDestDir = v })
(reqArgFlag "PATH")
]
}
instance Monoid UnpackFlags where
mempty = defaultUnpackFlags
mappend a b = UnpackFlags {
unpackDestDir = combine unpackDestDir
,unpackVerbosity = combine unpackVerbosity
}
where combine field = field a `mappend` field b
-- ------------------------------------------------------------
-- * List flags
-- ------------------------------------------------------------
data ListFlags = ListFlags {
listInstalled :: Flag Bool,
listSimpleOutput :: Flag Bool,
listVerbosity :: Flag Verbosity
}
defaultListFlags :: ListFlags
defaultListFlags = ListFlags {
listInstalled = Flag False,
listSimpleOutput = Flag False,
listVerbosity = toFlag normal
}
listCommand :: CommandUI ListFlags
listCommand = CommandUI {
commandName = "list",
commandSynopsis = "List packages matching a search string.",
commandDescription = Nothing,
commandUsage = usagePackages "list",
commandDefaultFlags = defaultListFlags,
commandOptions = \_ -> [
optionVerbosity listVerbosity (\v flags -> flags { listVerbosity = v })
, option [] ["installed"]
"Only print installed packages"
listInstalled (\v flags -> flags { listInstalled = v })
trueArg
, option [] ["simple-output"]
"Print in a easy-to-parse format"
listSimpleOutput (\v flags -> flags { listSimpleOutput = v })
trueArg
]
}
instance Monoid ListFlags where
mempty = defaultListFlags
mappend a b = ListFlags {
listInstalled = combine listInstalled,
listSimpleOutput = combine listSimpleOutput,
listVerbosity = combine listVerbosity
}
where combine field = field a `mappend` field b
-- ------------------------------------------------------------
-- * Info flags
-- ------------------------------------------------------------
data InfoFlags = InfoFlags {
infoVerbosity :: Flag Verbosity
}
defaultInfoFlags :: InfoFlags
defaultInfoFlags = InfoFlags {
infoVerbosity = toFlag normal
}
infoCommand :: CommandUI InfoFlags
infoCommand = CommandUI {
commandName = "info",
commandSynopsis = "Display detailed information about a particular package.",
commandDescription = Nothing,
commandUsage = usagePackages "info",
commandDefaultFlags = defaultInfoFlags,
commandOptions = \_ -> [
optionVerbosity infoVerbosity (\v flags -> flags { infoVerbosity = v })
]
}
instance Monoid InfoFlags where
mempty = defaultInfoFlags
mappend a b = InfoFlags {
infoVerbosity = combine infoVerbosity
}
where combine field = field a `mappend` field b
-- ------------------------------------------------------------
-- * Install flags
-- ------------------------------------------------------------
-- | Install takes the same flags as configure along with a few extras.
--
data InstallFlags = InstallFlags {
installDocumentation:: Flag Bool,
installHaddockIndex :: Flag PathTemplate,
installDryRun :: Flag Bool,
installReinstall :: Flag Bool,
installOnly :: Flag Bool,
installRootCmd :: Flag String,
installSummaryFile :: [PathTemplate],
installLogFile :: Flag PathTemplate,
installBuildReports :: Flag ReportLevel,
installSymlinkBinDir:: Flag FilePath
}
defaultInstallFlags :: InstallFlags
defaultInstallFlags = InstallFlags {
installDocumentation= Flag False,
installHaddockIndex = Flag docIndexFile,
installDryRun = Flag False,
installReinstall = Flag False,
installOnly = Flag False,
installRootCmd = mempty,
installSummaryFile = mempty,
installLogFile = mempty,
installBuildReports = Flag NoReports,
installSymlinkBinDir= mempty
}
where
docIndexFile = toPathTemplate ("$datadir" </> "doc" </> "index.html")
installCommand :: CommandUI (ConfigFlags, ConfigExFlags, InstallFlags)
installCommand = CommandUI {
commandName = "install",
commandSynopsis = "Installs a list of packages.",
commandUsage = usagePackages "install",
commandDescription = Just $ \pname ->
let original = case commandDescription configureCommand of
Just desc -> desc pname ++ "\n"
Nothing -> ""
in original
++ "Examples:\n"
++ " " ++ pname ++ " install "
++ " Package in the current directory\n"
++ " " ++ pname ++ " install foo "
++ " Package from the hackage server\n"
++ " " ++ pname ++ " install foo-1.0 "
++ " Specific version of a package\n"
++ " " ++ pname ++ " install 'foo < 2' "
++ " Constrained package version\n",
commandDefaultFlags = (mempty, mempty, mempty),
commandOptions = \showOrParseArgs ->
liftOptions get1 set1 (configureOptions showOrParseArgs)
++ liftOptions get2 set2 (configureExOptions showOrParseArgs)
++ liftOptions get3 set3 (installOptions showOrParseArgs)
}
where
get1 (a,_,_) = a; set1 a (_,b,c) = (a,b,c)
get2 (_,b,_) = b; set2 b (a,_,c) = (a,b,c)
get3 (_,_,c) = c; set3 c (a,b,_) = (a,b,c)
installOptions :: ShowOrParseArgs -> [OptionField InstallFlags]
installOptions showOrParseArgs =
[ option "" ["documentation"]
"building of documentation"
installDocumentation (\v flags -> flags { installDocumentation = v })
(boolOpt [] [])
, option [] ["doc-index-file"]
"A central index of haddock API documentation (template cannot use $pkgid)"
installHaddockIndex (\v flags -> flags { installHaddockIndex = v })
(reqArg' "TEMPLATE" (toFlag.toPathTemplate)
(flagToList . fmap fromPathTemplate))
, option [] ["dry-run"]
"Do not install anything, only print what would be installed."
installDryRun (\v flags -> flags { installDryRun = v })
trueArg
, option [] ["reinstall"]
"Install even if it means installing the same version again."
installReinstall (\v flags -> flags { installReinstall = v })
trueArg
, option [] ["root-cmd"]
"Command used to gain root privileges, when installing with --global."
installRootCmd (\v flags -> flags { installRootCmd = v })
(reqArg' "COMMAND" toFlag flagToList)
, option [] ["symlink-bindir"]
"Add symlinks to installed executables into this directory."
installSymlinkBinDir (\v flags -> flags { installSymlinkBinDir = v })
(reqArgFlag "DIR")
, option [] ["build-summary"]
"Save build summaries to file (name template can use $pkgid, $compiler, $os, $arch)"
installSummaryFile (\v flags -> flags { installSummaryFile = v })
(reqArg' "TEMPLATE" (\x -> [toPathTemplate x]) (map fromPathTemplate))
, option [] ["build-log"]
"Log all builds to file (name template can use $pkgid, $compiler, $os, $arch)"
installLogFile (\v flags -> flags { installLogFile = v })
(reqArg' "TEMPLATE" (toFlag.toPathTemplate)
(flagToList . fmap fromPathTemplate))
, option [] ["remote-build-reporting"]
"Generate build reports to send to a remote server (none, anonymous or detailed)."
installBuildReports (\v flags -> flags { installBuildReports = v })
(reqArg "LEVEL" (readP_to_E (const $ "report level must be 'none', "
++ "'anonymous' or 'detailed'")
(toFlag `fmap` parse))
(flagToList . fmap display))
] ++ case showOrParseArgs of -- TODO: remove when "cabal install" avoids
ParseArgs ->
option [] ["only"]
"Only installs the package in the current directory."
installOnly (\v flags -> flags { installOnly = v })
trueArg
: []
_ -> []
instance Monoid InstallFlags where
mempty = InstallFlags {
installDocumentation= mempty,
installHaddockIndex = mempty,
installDryRun = mempty,
installReinstall = mempty,
installOnly = mempty,
installRootCmd = mempty,
installSummaryFile = mempty,
installLogFile = mempty,
installBuildReports = mempty,
installSymlinkBinDir= mempty
}
mappend a b = InstallFlags {
installDocumentation= combine installDocumentation,
installHaddockIndex = combine installHaddockIndex,
installDryRun = combine installDryRun,
installReinstall = combine installReinstall,
installOnly = combine installOnly,
installRootCmd = combine installRootCmd,
installSummaryFile = combine installSummaryFile,
installLogFile = combine installLogFile,
installBuildReports = combine installBuildReports,
installSymlinkBinDir= combine installSymlinkBinDir
}
where combine field = field a `mappend` field b
-- ------------------------------------------------------------
-- * Upload flags
-- ------------------------------------------------------------
data UploadFlags = UploadFlags {
uploadCheck :: Flag Bool,
uploadUsername :: Flag Username,
uploadPassword :: Flag Password,
uploadVerbosity :: Flag Verbosity
}
defaultUploadFlags :: UploadFlags
defaultUploadFlags = UploadFlags {
uploadCheck = toFlag False,
uploadUsername = mempty,
uploadPassword = mempty,
uploadVerbosity = toFlag normal
}
uploadCommand :: CommandUI UploadFlags
uploadCommand = CommandUI {
commandName = "upload",
commandSynopsis = "Uploads source packages to Hackage",
commandDescription = Just $ \_ ->
"You can store your Hackage login in the ~/.cabal/config file\n",
commandUsage = \pname ->
"Usage: " ++ pname ++ " upload [FLAGS] [TARFILES]\n\n"
++ "Flags for upload:",
commandDefaultFlags = defaultUploadFlags,
commandOptions = \_ ->
[optionVerbosity uploadVerbosity (\v flags -> flags { uploadVerbosity = v })
,option ['c'] ["check"]
"Do not upload, just do QA checks."
uploadCheck (\v flags -> flags { uploadCheck = v })
trueArg
,option ['u'] ["username"]
"Hackage username."
uploadUsername (\v flags -> flags { uploadUsername = v })
(reqArg' "USERNAME" (toFlag . Username)
(flagToList . fmap unUsername))
,option ['p'] ["password"]
"Hackage password."
uploadPassword (\v flags -> flags { uploadPassword = v })
(reqArg' "PASSWORD" (toFlag . Password)
(flagToList . fmap unPassword))
]
}
instance Monoid UploadFlags where
mempty = UploadFlags {
uploadCheck = mempty,
uploadUsername = mempty,
uploadPassword = mempty,
uploadVerbosity = mempty
}
mappend a b = UploadFlags {
uploadCheck = combine uploadCheck,
uploadUsername = combine uploadUsername,
uploadPassword = combine uploadPassword,
uploadVerbosity = combine uploadVerbosity
}
where combine field = field a `mappend` field b
-- ------------------------------------------------------------
-- * Init flags
-- ------------------------------------------------------------
emptyInitFlags :: IT.InitFlags
emptyInitFlags = mempty
defaultInitFlags :: IT.InitFlags
defaultInitFlags = emptyInitFlags
initCommand :: CommandUI IT.InitFlags
initCommand = CommandUI {
commandName = "init",
commandSynopsis = "Interactively create a .cabal file.",
commandUsage = \pname -> unlines
[ "Usage: " ++ pname ++ " init [FLAGS]"
, ""
, "Cabalise a project by creating a .cabal, Setup.lhs, and"
, "optionally a LICENSE file."
, ""
, "Calling init with no arguments (recommended) uses an"
, "interactive mode, which will try to guess as much as"
, "possible and prompt you for the rest. Command-line"
, "arguments are provided for scripting purposes."
, "If you don't want interactive mode, be sure to pass"
, "the -n flag."
, ""
, "Flags for init:"
],
commandDescription = Nothing,
commandDefaultFlags = defaultInitFlags,
commandOptions = \_ ->
[ option ['n'] ["nonInteractive"]
"Non-interactive mode."
IT.nonInteractive (\v flags -> flags { IT.nonInteractive = v })
trueArg
, option ['q'] ["quiet"]
"Do not generate log messages to stdout."
IT.quiet (\v flags -> flags { IT.quiet = v })
trueArg
, option [] ["noComments"]
"Do not generate explanatory comments in the .cabal file."
IT.noComments (\v flags -> flags { IT.noComments = v })
trueArg
, option ['m'] ["minimal"]
"Generate a minimal .cabal file, that is, do not include extra empty fields. Also implies --noComments."
IT.minimal (\v flags -> flags { IT.minimal = v })
trueArg
, option [] ["packageDir"]
"Root directory of the package (default = current directory)."
IT.packageDir (\v flags -> flags { IT.packageDir = v })
(reqArgFlag "DIRECTORY")
, option ['p'] ["packageName"]
"Name of the Cabal package to create."
IT.packageName (\v flags -> flags { IT.packageName = v })
(reqArgFlag "PACKAGE")
, option [] ["version"]
"Initial version of the package."
IT.version (\v flags -> flags { IT.version = v })
(reqArg "VERSION" (readP_to_E ("Cannot parse package version: "++)
(toFlag `fmap` parse))
(flagToList . fmap display))
, option [] ["cabalVersion"]
"Required version of the Cabal library."
IT.cabalVersion (\v flags -> flags { IT.cabalVersion = v })
(reqArg "VERSION_RANGE" (readP_to_E ("Cannot parse Cabal version range: "++)
(toFlag `fmap` parse))
(flagToList . fmap display))
, option ['l'] ["license"]
"Project license."
IT.license (\v flags -> flags { IT.license = v })
(reqArg "LICENSE" (readP_to_E ("Cannot parse license: "++)
(toFlag `fmap` parse))
(flagToList . fmap display))
, option ['a'] ["author"]
"Name of the project's author."
IT.author (\v flags -> flags { IT.author = v })
(reqArgFlag "NAME")
, option ['e'] ["email"]
"Email address of the maintainer."
IT.email (\v flags -> flags { IT.email = v })
(reqArgFlag "EMAIL")
, option [] ["stability"]
"Package stability."
IT.stability (\v flags -> flags { IT.stability = v })
(reqArg' "STABILITY" (\s -> toFlag $ maybe (Left s) Right (readMaybe s))
(flagToList . fmap (either id show)))
, option ['u'] ["homepage"]
"Project homepage and/or repository."
IT.homepage (\v flags -> flags { IT.homepage = v })
(reqArgFlag "URL")
, option ['s'] ["synopsis"]
"Short project synopsis."
IT.synopsis (\v flags -> flags { IT.synopsis = v })
(reqArgFlag "TEXT")
, option ['c'] ["category"]
"Project category."
IT.category (\v flags -> flags { IT.category = v })
(reqArg' "CATEGORY" (\s -> toFlag $ maybe (Left s) Right (readMaybe s))
(flagToList . fmap (either id show)))
, option [] ["isLibrary"]
"Build a library."
IT.packageType (\v flags -> flags { IT.packageType = v })
(noArg (Flag IT.Library))
, option [] ["isExecutable"]
"Build an executable."
IT.packageType
(\v flags -> flags { IT.packageType = v })
(noArg (Flag IT.Executable))
, option ['o'] ["exposeModule"]
"Export a module from the package."
IT.exposedModules
(\v flags -> flags { IT.exposedModules = v })
(reqArg "MODULE" (readP_to_E ("Cannot parse module name: "++)
((Just . (:[])) `fmap` parse))
(fromMaybe [] . fmap (fmap display)))
, option ['d'] ["dependency"]
"Package dependency."
IT.dependencies (\v flags -> flags { IT.dependencies = v })
(reqArg "PACKAGE" (readP_to_E ("Cannot parse dependency: "++)
((Just . (:[])) `fmap` parse))
(fromMaybe [] . fmap (fmap display)))
, option [] ["sourceDir"]
"Directory containing package source."
IT.sourceDirs (\v flags -> flags { IT.sourceDirs = v })
(reqArg' "DIR" (Just . (:[]))
(fromMaybe []))
, option [] ["buildTool"]
"Required external build tool."
IT.buildTools (\v flags -> flags { IT.buildTools = v })
(reqArg' "TOOL" (Just . (:[]))
(fromMaybe []))
]
}
where readMaybe s = case reads s of
[(x,"")] -> Just x
_ -> Nothing
-- ------------------------------------------------------------
-- * GetOpt Utils
-- ------------------------------------------------------------
boolOpt :: SFlags -> SFlags -> MkOptDescr (a -> Flag Bool) (Flag Bool -> a -> a) a
boolOpt = Command.boolOpt flagToMaybe Flag
reqArgFlag :: ArgPlaceHolder -> SFlags -> LFlags -> Description ->
(b -> Flag String) -> (Flag String -> b -> b) -> OptDescr b
reqArgFlag ad = reqArg ad (succeedReadE Flag) flagToList
liftOptions :: (b -> a) -> (a -> b -> b)
-> [OptionField a] -> [OptionField b]
liftOptions get set = map (liftOption get set)
usagePackages :: String -> String -> String
usagePackages name pname =
"Usage: " ++ pname ++ " " ++ name ++ " [FLAGS]\n"
++ " or: " ++ pname ++ " " ++ name ++ " [PACKAGES]\n\n"
++ "Flags for " ++ name ++ ":"
--TODO: do we want to allow per-package flags?
parsePackageArgs :: [String] -> Either String [Dependency]
parsePackageArgs = parsePkgArgs []
where
parsePkgArgs ds [] = Right (reverse ds)
parsePkgArgs ds (arg:args) =
case readPToMaybe parseDependencyOrPackageId arg of
Just dep -> parsePkgArgs (dep:ds) args
Nothing -> Left $
show arg ++ " is not valid syntax for a package name or"
++ " package dependency."
readPToMaybe :: Parse.ReadP a a -> String -> Maybe a
readPToMaybe p str = listToMaybe [ r | (r,s) <- Parse.readP_to_S p str
, all isSpace s ]
parseDependencyOrPackageId :: Parse.ReadP r Dependency
parseDependencyOrPackageId = parse Parse.+++ liftM pkgidToDependency parse
where
pkgidToDependency :: PackageIdentifier -> Dependency
pkgidToDependency p = case packageVersion p of
Version [] _ -> Dependency (packageName p) anyVersion
version -> Dependency (packageName p) (thisVersion version)
showRepo :: RemoteRepo -> String
showRepo repo = remoteRepoName repo ++ ":"
++ uriToString id (remoteRepoURI repo) []
readRepo :: String -> Maybe RemoteRepo
readRepo = readPToMaybe parseRepo
parseRepo :: Parse.ReadP r RemoteRepo
parseRepo = do
name <- Parse.munch1 (\c -> isAlphaNum c || c `elem` "_-.")
Parse.char ':'
uriStr <- Parse.munch1 (\c -> isAlphaNum c || c `elem` "+-=._/*()@'$:;&!?~")
uri <- maybe Parse.pfail return (parseAbsoluteURI uriStr)
return $ RemoteRepo {
remoteRepoName = name,
remoteRepoURI = uri
}