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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 Data.Char
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" $ maybeSelectCmd "gpg"
[ ("gpg", "--version >/dev/null")
, ("gpg2", "--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"
isReleaseBuild :: IO Bool
isReleaseBuild = isJust <$> catchMaybeIO (getEnv "RELEASE_BUILD")
{- 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,
- or this is a release build, 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 "debian/changelog"
let verline = takeWhile (/= '\n') 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 <$>
boolSystem "sh" [Param "-c", Param "ssh -o ControlPersist=yes -V >/dev/null 2>/dev/null"]
{- Set up cabal file with version. -}
cabalSetup :: IO ()
cabalSetup = do
version <- takeWhile (\c -> isDigit c || c == '.')
<$> 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
|
