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{- Checks system configuration and generates SysConfig.hs. -}
module Build.Configure where
import System.Directory
import Data.List
import System.Process
import Control.Applicative
import System.FilePath
import System.Environment
import Data.Maybe
import Control.Monad.IfElse
import Build.TestConfig
import Utility.SafeCommand
import Utility.Monad
import Utility.Exception
import Utility.ExternalSHA
tests :: [TestCase]
tests =
[ TestCase "version" getVersion
, TestCase "git" $ requireCmd "git" "git --version >/dev/null"
, TestCase "git version" getGitVersion
, testCp "cp_a" "-a"
, testCp "cp_p" "-p"
, 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 "bup" $ testCmd "bup" "bup --version >/dev/null"
, TestCase "gpg" $ testCmd "gpg" "gpg --version >/dev/null"
, TestCase "lsof" $ findCmdPath "lsof" "lsof"
, 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 like OSX
- sometimes 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, osxpath </> x]) $
map (\x -> "sha" ++ show n ++ x) ["sum", ""]
{- Max OSX sometimes puts GNU tools outside PATH, so look in
- the location it uses, and remember where to run them
- from. -}
osxpath = "/opt/local/libexec/gnubin"
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"
{- For release builds, VERSION_FROM_CHANGELOG makes it use just the most
- recent version from the changelog. -}
isReleaseBuild :: IO Bool
isReleaseBuild = isJust <$> catchMaybeIO (getEnv "VERSION_FROM_CHANGELOG")
{- Version is usually based on the major version from the changelog,
- plus the date of the last commit, plus the git rev of that commit.
- This works for autobuilds, ad-hoc builds, etc.
-
- If git or a git repo is not available, or something goes wrong,
- just use the version from the changelog. -}
getVersion :: Test
getVersion = do
changelogversion <- getChangelogVersion
version <- ifM (isReleaseBuild)
( return changelogversion
, catchDefaultIO changelogversion $ do
let major = takeWhile (/= '.') changelogversion
autoversion <- readProcess "sh"
[ "-c"
, "git log -n 1 --format=format:'%ci %h'| sed -e 's/-//g' -e 's/ .* /-g/'"
] ""
if null autoversion
then return changelogversion
else return $ concat [ major, ".", autoversion ]
)
return $ Config "packageversion" (StringConfig version)
getChangelogVersion :: IO String
getChangelogVersion = do
changelog <- readFile "CHANGELOG"
let verline = head $ lines changelog
return $ middle (words verline !! 1)
where
middle = drop 1 . init
getGitVersion :: Test
getGitVersion = do
s <- readProcess "git" ["--version"] ""
let version = unwords $ drop 2 $ words $ head $ lines s
return $ Config "gitversion" (StringConfig version)
getSshConnectionCaching :: Test
getSshConnectionCaching = Config "sshconnectioncaching" . BoolConfig <$>
boolSystem "sh" [Param "-c", Param "ssh -o ControlPersist=yes -V >/dev/null 2>/dev/null"]
{- Set up cabal file with version. -}
cabalSetup :: IO ()
cabalSetup = do
version <- takeWhile (/= '~') <$> getChangelogVersion
cabal <- readFile cabalfile
writeFile tmpcabalfile $ unlines $
map (setfield "Version" version) $
lines cabal
renameFile tmpcabalfile cabalfile
where
cabalfile = "git-annex.cabal"
tmpcabalfile = cabalfile++".tmp"
setfield field value s
| fullfield `isPrefixOf` s = fullfield ++ value
| otherwise = s
where
fullfield = field ++ ": "
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
{- 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
|
