git-annex/Build/Configure.hs
Joey Hess e38a839a80 Rewrote free disk space checking code
Moving the portability handling into a small C library cleans up things
a lot, avoiding the pain of unpacking structs from inside haskell code.
2012-03-22 17:32:47 -04:00

107 lines
3 KiB
Haskell

{- Checks system configuration and generates SysConfig.hs. -}
module Build.Configure where
import System.Directory
import Data.List
import System.Cmd.Utils
import Control.Applicative
import Build.TestConfig
import Utility.SafeCommand
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 "uuid generator" $ selectCmd "uuid" ["uuid", "uuidgen"] ""
, 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 "ssh connection caching" getSshConnectionCaching
] ++ shaTestCases [1, 256, 512, 224, 384]
shaTestCases :: [Int] -> [TestCase]
shaTestCases l = map make l
where make n =
let
cmds = map (\x -> "sha" ++ show n ++ x) ["", "sum"]
key = "sha" ++ show n
in TestCase key $ maybeSelectCmd key cmds "</dev/null"
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"
{- Pulls package version out of the changelog. -}
getVersion :: Test
getVersion = do
version <- getVersionString
return $ Config "packageversion" (StringConfig version)
getVersionString :: IO String
getVersionString = do
changelog <- readFile "CHANGELOG"
let verline = head $ lines changelog
return $ middle (words verline !! 1)
where
middle = drop 1 . init
getGitVersion :: Test
getGitVersion = do
(_, s) <- pipeFrom "git" ["--version"]
let version = last $ 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 <- getVersionString
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
setup
config <- runTests ts
writeSysConfig config
cleanup
cabalSetup