Setup.hs 23.1 KB
Newer Older
1
2
-----------------------------------------------------------------------------
-- |
3
-- Module      :  Distribution.Client.Setup
4
5
6
7
8
9
10
11
12
-- Copyright   :  (c) David Himmelstrup 2005
-- License     :  BSD-like
--
-- Maintainer  :  lemmih@gmail.com
-- Stability   :  provisional
-- Portability :  portable
--
--
-----------------------------------------------------------------------------
13
module Distribution.Client.Setup
14
15
16
    ( globalCommand, GlobalFlags(..), globalRepos
    , configureCommand, Cabal.ConfigFlags(..), filterConfigureFlags, configPackageDB'
    , installCommand, InstallFlags(..), installOptions, defaultInstallFlags
17
    , listCommand, ListFlags(..)
Duncan Coutts's avatar
Duncan Coutts committed
18
    , updateCommand
ijones's avatar
ijones committed
19
    , upgradeCommand
20
    , infoCommand, InfoFlags(..)
Duncan Coutts's avatar
Duncan Coutts committed
21
    , fetchCommand
22
    , checkCommand
23
    , uploadCommand, UploadFlags(..)
24
    , reportCommand
25
    , unpackCommand, UnpackFlags(..)
Duncan Coutts's avatar
Duncan Coutts committed
26
27

    , parsePackageArgs
28
29
30
    --TODO: stop exporting these:
    , showRepo
    , parseRepo
31
32
    ) where

33
import Distribution.Client.Types
34
         ( Username(..), Password(..), Repo(..), RemoteRepo(..), LocalRepo(..) )
35
36
37

import Distribution.Simple.Program
         ( defaultProgramConfiguration )
38
39
import Distribution.Simple.Command hiding (boolOpt)
import qualified Distribution.Simple.Command as Command
Duncan Coutts's avatar
Duncan Coutts committed
40
import qualified Distribution.Simple.Setup as Cabal
41
         ( ConfigFlags(..), configureCommand )
42
import Distribution.Simple.Setup
43
44
45
46
         ( Flag(..), toFlag, fromFlag, flagToList, flagToMaybe, fromFlagOrDefault
         , optionVerbosity, trueArg )
import Distribution.Simple.Compiler
         ( PackageDB(..) )
47
import Distribution.Version
48
         ( Version(Version), VersionRange(..) )
49
import Distribution.Package
50
         ( PackageIdentifier, packageName, packageVersion, Dependency(..) )
51
52
53
import Distribution.Text
         ( Text(parse), display )
import Distribution.ReadE
54
55
56
         ( readP_to_E, succeedReadE )
import qualified Distribution.Compat.ReadP as Parse
         ( ReadP, readP_to_S, char, munch1, pfail, (+++) )
57
58
import Distribution.Verbosity
         ( Verbosity, normal )
59

60
61
62
63
64
65
66
67
68
69
70
71
import Data.Char
         ( isSpace, isAlphaNum )
import Data.Maybe
         ( listToMaybe, maybeToList )
import Data.Monoid
         ( Monoid(..) )
import Control.Monad
         ( liftM )
import System.FilePath
         ( (</>) )
import Network.URI
         ( parseAbsoluteURI, uriToString )
72

73
74
75
76
77
78
79
80
81
82
83
84
85
-- ------------------------------------------------------------
-- * 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]
  }
Duncan Coutts's avatar
Duncan Coutts committed
86

87
88
89
90
91
92
93
94
95
96
97
98
99
100
defaultGlobalFlags :: GlobalFlags
defaultGlobalFlags  = GlobalFlags {
    globalVersion        = Flag False,
    globalNumericVersion = Flag False,
    globalConfigFile     = mempty,
    globalRemoteRepos    = [],
    globalCacheDir       = mempty,
    globalLocalRepos     = mempty
  }

globalCommand :: CommandUI GlobalFlags
globalCommand = CommandUI {
    commandName         = "",
    commandSynopsis     = "",
101
102
103
104
    commandUsage        = \_ ->
         "This program is the command line interface "
           ++ "to the Haskell Cabal infrastructure.\n"
      ++ "See http://www.haskell.org/cabal/ for more information.\n",
105
    commandDescription  = Just $ \pname ->
106
107
108
109
110
111
         "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",
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
    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
Duncan Coutts's avatar
Duncan Coutts committed
163
  }
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
    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
-- ------------------------------------------------------------
Duncan Coutts's avatar
Duncan Coutts committed
181

182
configureCommand :: CommandUI Cabal.ConfigFlags
183
configureCommand = (Cabal.configureCommand defaultProgramConfiguration) {
184
    commandDefaultFlags = mempty
Duncan Coutts's avatar
Duncan Coutts committed
185
186
  }

187
188
189
190
191
192
193
194
195
configPackageDB' :: Cabal.ConfigFlags -> PackageDB
configPackageDB' config =
  fromFlagOrDefault defaultDB (Cabal.configPackageDB config)
  where
    defaultDB = case Cabal.configUserInstall config of
      NoFlag     -> UserPackageDB
      Flag True  -> UserPackageDB
      Flag False -> GlobalPackageDB

196
197
198
199
200
201
filterConfigureFlags :: Cabal.ConfigFlags -> Version -> Cabal.ConfigFlags
filterConfigureFlags flags cabalLibVersion
  | cabalLibVersion >= Version [1,3,10] [] = flags
    -- older Cabal does not grok the constraints flag:
  | otherwise = flags { Cabal.configConstraints = [] }

202
203
204
-- ------------------------------------------------------------
-- * Other commands
-- ------------------------------------------------------------
205

206
fetchCommand :: CommandUI (Flag Verbosity)
Duncan Coutts's avatar
Duncan Coutts committed
207
208
209
210
211
fetchCommand = CommandUI {
    commandName         = "fetch",
    commandSynopsis     = "Downloads packages for later installation or study.",
    commandDescription  = Nothing,
    commandUsage        = usagePackages "fetch",
212
    commandDefaultFlags = toFlag normal,
213
    commandOptions      = \_ -> [optionVerbosity id const]
Duncan Coutts's avatar
Duncan Coutts committed
214
215
  }

216
updateCommand  :: CommandUI (Flag Verbosity)
Duncan Coutts's avatar
Duncan Coutts committed
217
218
219
220
221
updateCommand = CommandUI {
    commandName         = "update",
    commandSynopsis     = "Updates list of known packages",
    commandDescription  = Nothing,
    commandUsage        = usagePackages "update",
222
    commandDefaultFlags = toFlag normal,
223
    commandOptions      = \_ -> [optionVerbosity id const]
Duncan Coutts's avatar
Duncan Coutts committed
224
225
  }

226
upgradeCommand  :: CommandUI (Cabal.ConfigFlags, InstallFlags)
227
upgradeCommand = configureCommand {
ijones's avatar
ijones committed
228
229
230
    commandName         = "upgrade",
    commandSynopsis     = "Upgrades installed packages to the latest available version",
    commandDescription  = Nothing,
231
    commandUsage        = usagePackages "upgrade",
232
    commandDefaultFlags = (mempty, defaultInstallFlags),
233
    commandOptions      = commandOptions installCommand
ijones's avatar
ijones committed
234
235
  }

Duncan Coutts's avatar
Duncan Coutts committed
236
237
238
239
240
241
242
243
244
245
246
{-
cleanCommand  :: CommandUI ()
cleanCommand = makeCommand name shortDesc longDesc emptyFlags options
  where
    name       = "clean"
    shortDesc  = "Removes downloaded files"
    longDesc   = Nothing
    emptyFlags = ()
    options _  = []
-}

247
248
249
250
251
252
checkCommand  :: CommandUI (Flag Verbosity)
checkCommand = CommandUI {
    commandName         = "check",
    commandSynopsis     = "Check the package for common mistakes",
    commandDescription  = Nothing,
    commandUsage        = \pname -> "Usage: " ++ pname ++ " check\n",
253
    commandDefaultFlags = toFlag normal,
254
    commandOptions      = \_ -> []
255
256
257
258
259
260
261
262
263
  }

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,
264
    commandOptions      = \_ -> [optionVerbosity id const]
265
266
  }

267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
-- ------------------------------------------------------------
-- * 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

307
308
309
310
311
312
-- ------------------------------------------------------------
-- * List flags
-- ------------------------------------------------------------

data ListFlags = ListFlags {
    listInstalled :: Flag Bool,
313
    listSimpleOutput :: Flag Bool,
314
315
316
317
318
319
    listVerbosity :: Flag Verbosity
  }

defaultListFlags :: ListFlags
defaultListFlags = ListFlags {
    listInstalled = Flag False,
320
    listSimpleOutput = Flag False,
321
322
323
324
325
326
    listVerbosity = toFlag normal
  }

listCommand  :: CommandUI ListFlags
listCommand = CommandUI {
    commandName         = "list",
327
    commandSynopsis     = "List packages matching a search string.",
328
329
    commandDescription  = Nothing,
    commandUsage        = usagePackages "list",
330
    commandDefaultFlags = defaultListFlags,
331
    commandOptions      = \_ -> [
332
        optionVerbosity listVerbosity (\v flags -> flags { listVerbosity = v })
333

334
        , option [] ["installed"]
335
336
337
338
            "Only print installed packages"
            listInstalled (\v flags -> flags { listInstalled = v })
            trueArg

339
340
341
342
343
        , option [] ["simple-output"]
            "Print in a easy-to-parse format"
            listSimpleOutput (\v flags -> flags { listSimpleOutput = v })
            trueArg

344
345
346
347
348
349
350
        ]
  }

instance Monoid ListFlags where
  mempty = defaultListFlags
  mappend a b = ListFlags {
    listInstalled = combine listInstalled,
351
    listSimpleOutput = combine listSimpleOutput,
352
353
354
355
    listVerbosity = combine listVerbosity
  }
    where combine field = field a `mappend` field b

356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
-- ------------------------------------------------------------
-- * 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

388
389
390
391
-- ------------------------------------------------------------
-- * Install flags
-- ------------------------------------------------------------

392
393
-- | Install takes the same flags as configure along with a few extras.
--
394
data InstallFlags = InstallFlags {
395
    installDocumentation:: Flag Bool,
396
    installDryRun       :: Flag Bool,
397
    installReinstall    :: Flag Bool,
398
399
    installOnly         :: Flag Bool,
    installRootCmd      :: Flag String,
Duncan Coutts's avatar
Duncan Coutts committed
400
    installCabalVersion :: Flag Version,
401
    installLogFile      :: Flag FilePath,
402
    installBuildReports :: Flag Bool,
403
404
    installSymlinkBinDir:: Flag FilePath,
    installPreferences  :: [Dependency]
405
406
407
408
  }

defaultInstallFlags :: InstallFlags
defaultInstallFlags = InstallFlags {
409
    installDocumentation= Flag False,
410
    installDryRun       = Flag False,
411
    installReinstall    = Flag False,
412
413
    installOnly         = Flag False,
    installRootCmd      = mempty,
Duncan Coutts's avatar
Duncan Coutts committed
414
    installCabalVersion = mempty,
415
    installLogFile      = mempty,
416
    installBuildReports = Flag False,
417
418
    installSymlinkBinDir= mempty,
    installPreferences  = mempty
419
420
421
  }

installCommand :: CommandUI (Cabal.ConfigFlags, InstallFlags)
422
installCommand = configureCommand {
423
424
425
  commandName         = "install",
  commandSynopsis     = "Installs a list of packages.",
  commandUsage        = usagePackages "install",
426
427
428
429
430
  commandDescription  = Just $ \pname ->
    let original = case commandDescription configureCommand of
          Just desc -> desc pname ++ "\n"
          Nothing   -> ""
     in original
431
     ++ "Examples:\n"
432
433
434
435
436
437
438
439
     ++ "  " ++ 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",
440
  commandDefaultFlags = (mempty, mempty),
441
442
  commandOptions      = \showOrParseArgs ->
    liftOptionsFst (commandOptions configureCommand showOrParseArgs) ++
443
444
445
446
447
448
    liftOptionsSnd (installOptions showOrParseArgs)
  }

installOptions ::  ShowOrParseArgs -> [OptionField InstallFlags]
installOptions showOrParseArgs =
      [ option "" ["documentation"]
449
450
451
452
453
          "building of documentation"
          installDocumentation (\v flags -> flags { installDocumentation = v })
          (boolOpt [] [])

      , option [] ["dry-run"]
454
455
456
          "Do not install anything, only print what would be installed."
          installDryRun (\v flags -> flags { installDryRun = v })
          trueArg
457

458
459
460
461
462
      , option [] ["reinstall"]
          "Install even if it means installing the same version again."
          installReinstall (\v flags -> flags { installReinstall = v })
          trueArg

463
464
465
466
467
      , option [] ["root-cmd"]
          "Command used to gain root privileges, when installing with --global."
          installRootCmd (\v flags -> flags { installRootCmd = v })
          (reqArg' "COMMAND" toFlag flagToList)

468
469
470
471
472
      , option [] ["symlink-bindir"]
          "Add symlinks to installed executables into this directory."
           installSymlinkBinDir (\v flags -> flags { installSymlinkBinDir = v })
           (reqArgFlag "DIR")

473
474
475
476
477
478
479
      , option [] ["cabal-lib-version"]
          ("Select which version of the Cabal lib to use to build packages "
          ++ "(useful for testing).")
          installCabalVersion (\v flags -> flags { installCabalVersion = v })
          (reqArg "VERSION" (readP_to_E ("Cannot parse cabal lib version: "++)
                                        (fmap toFlag parse))
                            (map display . flagToList))
Duncan Coutts's avatar
Duncan Coutts committed
480
481
482
483
484
485

      , option [] ["log-builds"]
          "Log all builds to file (name template can use $pkgid, $compiler, $os, $arch)"
          installLogFile (\v flags -> flags { installLogFile = v })
          (reqArg' "FILE" toFlag flagToList)

486
487
488
489
490
      , option [] ["build-reports"]
          "Generate detailed build reports. (overrides --log-builds)"
          installBuildReports (\v flags -> flags { installBuildReports = v })
          trueArg

491
492
493
494
495
496
497
      , option [] ["preference"]
          "Specify preferences (soft constraints) on the version of a package"
          installPreferences (\v flags -> flags { installPreferences = v })
          (reqArg "DEPENDENCY"
            (readP_to_E (const "dependency expected") ((\x -> [x]) `fmap` parse))
                                            (map (\x -> display x)))

498
499
500
501
502
503
504
      ] ++ 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
             : []
505
          _ -> []
506
507

instance Monoid InstallFlags where
508
509
510
511
512
513
514
515
516
  mempty = InstallFlags {
    installDocumentation= mempty,
    installDryRun       = mempty,
    installReinstall    = mempty,
    installOnly         = mempty,
    installRootCmd      = mempty,
    installCabalVersion = mempty,
    installLogFile      = mempty,
    installBuildReports = mempty,
517
518
    installSymlinkBinDir= mempty,
    installPreferences  = mempty
519
  }
520
  mappend a b = InstallFlags {
521
    installDocumentation= combine installDocumentation,
522
    installDryRun       = combine installDryRun,
523
    installReinstall    = combine installReinstall,
524
525
    installOnly         = combine installOnly,
    installRootCmd      = combine installRootCmd,
Duncan Coutts's avatar
Duncan Coutts committed
526
    installCabalVersion = combine installCabalVersion,
527
    installLogFile      = combine installLogFile,
528
    installBuildReports = combine installBuildReports,
529
530
    installSymlinkBinDir= combine installSymlinkBinDir,
    installPreferences  = combine installPreferences
531
532
533
  }
    where combine field = field a `mappend` field b

534
535
536
537
538
539
540
541
542
-- ------------------------------------------------------------
-- * Upload flags
-- ------------------------------------------------------------

data UploadFlags = UploadFlags {
    uploadCheck     :: Flag Bool,
    uploadUsername  :: Flag Username,
    uploadPassword  :: Flag Password,
    uploadVerbosity :: Flag Verbosity
543
  }
544
545
546
547
548
549
550
551
552
553
554
555
556
557

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 $ \_ ->
558
         "You can store your Hackage login in the ~/.cabal/config file\n",
559
560
561
562
563
    commandUsage        = \pname ->
         "Usage: " ++ pname ++ " upload [FLAGS] [TARFILES]\n\n"
      ++ "Flags for upload:",
    commandDefaultFlags = defaultUploadFlags,
    commandOptions      = \_ ->
564
      [optionVerbosity uploadVerbosity (\v flags -> flags { uploadVerbosity = v })
565
566
567
568

      ,option ['c'] ["check"]
         "Do not upload, just do QA checks."
        uploadCheck (\v flags -> flags { uploadCheck = v })
569
        trueArg
570
571
572
573

      ,option ['u'] ["username"]
        "Hackage username."
        uploadUsername (\v flags -> flags { uploadUsername = v })
574
575
        (reqArg' "USERNAME" (toFlag . Username)
                            (flagToList . fmap unUsername))
576
577
578
579

      ,option ['p'] ["password"]
        "Hackage password."
        uploadPassword (\v flags -> flags { uploadPassword = v })
580
581
        (reqArg' "PASSWORD" (toFlag . Password)
                            (flagToList . fmap unPassword))
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
      ]
  }

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

-- ------------------------------------------------------------
-- * GetOpt Utils
-- ------------------------------------------------------------

604
605
606
boolOpt :: SFlags -> SFlags -> MkOptDescr (a -> Flag Bool) (Flag Bool -> a -> a) a
boolOpt  = Command.boolOpt  flagToMaybe Flag

607
608
609
610
reqArgFlag :: ArgPlaceHolder -> SFlags -> LFlags -> Description ->
              (b -> Flag String) -> (Flag String -> b -> b) -> OptDescr b
reqArgFlag ad = reqArg ad (succeedReadE Flag) flagToList

611
liftOptionsFst :: [OptionField a] -> [OptionField (a,b)]
612
613
liftOptionsFst = map (liftOption fst (\a (_,b) -> (a,b)))

614
liftOptionsSnd :: [OptionField b] -> [OptionField (a,b)]
615
616
liftOptionsSnd = map (liftOption snd (\b (a,_) -> (a,b)))

Duncan Coutts's avatar
Duncan Coutts committed
617
usagePackages :: String -> String -> String
618
usagePackages name pname =
Duncan Coutts's avatar
Duncan Coutts committed
619
620
621
622
     "Usage: " ++ pname ++ " " ++ name ++ " [FLAGS]\n"
  ++ "   or: " ++ pname ++ " " ++ name ++ " [PACKAGES]\n\n"
  ++ "Flags for " ++ name ++ ":"

623
624
--TODO: do we want to allow per-package flags?
parsePackageArgs :: [String] -> Either String [Dependency]
Duncan Coutts's avatar
Duncan Coutts committed
625
626
627
628
629
parsePackageArgs = parsePkgArgs []
  where
    parsePkgArgs ds [] = Right (reverse ds)
    parsePkgArgs ds (arg:args) =
      case readPToMaybe parseDependencyOrPackageId arg of
630
        Just dep -> parsePkgArgs (dep:ds) args
Duncan Coutts's avatar
Duncan Coutts committed
631
        Nothing  -> Left ("Failed to parse package dependency: " ++ show arg)
632

633
634
635
readPToMaybe :: Parse.ReadP a a -> String -> Maybe a
readPToMaybe p str = listToMaybe [ r | (r,s) <- Parse.readP_to_S p str
                                     , all isSpace s ]
636

637
638
parseDependencyOrPackageId :: Parse.ReadP r Dependency
parseDependencyOrPackageId = parse Parse.+++ liftM pkgidToDependency parse
639
640
641
642
643
  where
    pkgidToDependency :: PackageIdentifier -> Dependency
    pkgidToDependency p = case packageVersion p of
      Version [] _ -> Dependency (packageName p) AnyVersion
      version      -> Dependency (packageName p) (ThisVersion version)
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661

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
  }