git-annex/Build/Configure.hs

150 lines
5.1 KiB
Haskell

{- Checks system configuration and generates SysConfig.hs. -}
module Build.Configure where
import System.Directory
import Control.Applicative
import System.Environment (getArgs)
import Control.Monad.IfElse
import Control.Monad
import Build.TestConfig
import Build.Version
import Utility.PartialPrelude
import Utility.Process
import Utility.SafeCommand
import Utility.ExternalSHA
import Utility.Env
import qualified Git.Version
import Utility.DottedVersion
tests :: [TestCase]
tests =
[ TestCase "version" (Config "packageversion" . StringConfig <$> getVersion)
, TestCase "UPGRADE_LOCATION" getUpgradeLocation
, TestCase "git" $ requireCmd "git" "git --version >/dev/null"
, TestCase "git version" getGitVersion
, testCp "cp_a" "-a"
, testCp "cp_p" "-p"
, testCp "cp_preserve_timestamps" "--preserve=timestamps"
, testCp "cp_reflink_auto" "--reflink=auto"
, TestCase "xargs -0" $ requireCmd "xargs_0" "xargs -0 </dev/null"
, TestCase "rsync" $ requireCmd "rsync" "rsync --version >/dev/null"
, TestCase "curl" $ testCmd "curl" "curl --version >/dev/null"
, TestCase "wget" $ testCmd "wget" "wget --version >/dev/null"
, TestCase "wget supports -q --show-progress" checkWgetQuietProgress
, TestCase "bup" $ testCmd "bup" "bup --version >/dev/null"
, TestCase "nice" $ testCmd "nice" "nice true >/dev/null"
, TestCase "ionice" $ testCmd "ionice" "ionice -c3 true >/dev/null"
, TestCase "nocache" $ testCmd "nocache" "nocache true >/dev/null"
, TestCase "gpg" $ maybeSelectCmd "gpg"
[ ("gpg", "--version >/dev/null")
, ("gpg2", "--version >/dev/null") ]
, TestCase "lsof" $ findCmdPath "lsof" "lsof"
, TestCase "git-remote-gcrypt" $ findCmdPath "gcrypt" "git-remote-gcrypt"
, TestCase "ssh connection caching" getSshConnectionCaching
] ++ shaTestCases
[ (1, "da39a3ee5e6b4b0d3255bfef95601890afd80709")
, (256, "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855")
, (512, "cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e")
, (224, "d14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f")
, (384, "38b060a751ac96384cd9327eb1b1e36a21fdb71114be07434c0cc7bf63f6e1da274edebfe76f65fbd51ad2f14898b95b")
]
{- shaNsum are the program names used by coreutils. Some systems
- install these with 'g' prefixes.
-
- On some systems, shaN is used instead, but on other
- systems, it might be "hashalot", which does not produce
- usable checksums. Only accept programs that produce
- known-good hashes when run on files. -}
shaTestCases :: [(Int, String)] -> [TestCase]
shaTestCases l = map make l
where
make (n, knowngood) = TestCase key $
Config key . MaybeStringConfig <$> search (shacmds n)
where
key = "sha" ++ show n
search [] = return Nothing
search (c:cmds) = do
sha <- externalSHA c n "/dev/null"
if sha == Right knowngood
then return $ Just c
else search cmds
shacmds n = concatMap (\x -> [x, 'g':x]) $
map (\x -> "sha" ++ show n ++ x) ["sum", ""]
tmpDir :: String
tmpDir = "tmp"
testFile :: String
testFile = tmpDir ++ "/testfile"
testCp :: ConfigKey -> String -> TestCase
testCp k option = TestCase cmd $ testCmd k cmdline
where
cmd = "cp " ++ option
cmdline = cmd ++ " " ++ testFile ++ " " ++ testFile ++ ".new"
getUpgradeLocation :: Test
getUpgradeLocation = do
e <- getEnv "UPGRADE_LOCATION"
return $ Config "upgradelocation" $ MaybeStringConfig e
getGitVersion :: Test
getGitVersion = do
v <- Git.Version.installed
let oldestallowed = Git.Version.normalize "1.7.1.0"
when (v < oldestallowed) $
error $ "installed git version " ++ show v ++ " is too old! (Need " ++ show oldestallowed ++ " or newer)"
return $ Config "gitversion" $ StringConfig $ show v
checkWgetQuietProgress :: Test
checkWgetQuietProgress = Config "wgetquietprogress" . BoolConfig
. maybe False (>= normalize "1.16")
<$> getWgetVersion
getWgetVersion :: IO (Maybe DottedVersion)
getWgetVersion = extract <$> readProcess "wget" ["--version"]
where
extract s = case lines s of
[] -> Nothing
(l:_) -> normalize <$> headMaybe (drop 2 $ words l)
getSshConnectionCaching :: Test
getSshConnectionCaching = Config "sshconnectioncaching" . BoolConfig <$>
boolSystem "sh" [Param "-c", Param "ssh -o ControlPersist=yes -V >/dev/null 2>/dev/null"]
setup :: IO ()
setup = do
createDirectoryIfMissing True tmpDir
writeFile testFile "test file contents"
cleanup :: IO ()
cleanup = removeDirectoryRecursive tmpDir
run :: [TestCase] -> IO ()
run ts = do
args <- getArgs
setup
config <- runTests ts
if args == ["Android"]
then writeSysConfig $ androidConfig config
else writeSysConfig config
cleanup
whenM isReleaseBuild $
cabalSetup "git-annex.cabal"
{- Hard codes some settings to cross-compile for Android. -}
androidConfig :: [Config] -> [Config]
androidConfig c = overrides ++ filter (not . overridden) c
where
overrides =
[ Config "cp_reflink_auto" $ BoolConfig False
, Config "curl" $ BoolConfig False
, Config "sha224" $ MaybeStringConfig Nothing
, Config "sha384" $ MaybeStringConfig Nothing
]
overridden (Config k _) = k `elem` overridekeys
overridekeys = map (\(Config k _) -> k) overrides