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propellor spin

This commit is contained in:
Joey Hess 2014-12-04 16:54:04 -04:00
parent bf4840f341
commit 31cf8e0c24
Failed to extract signature
1 changed files with 7 additions and 5 deletions
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12
src/Propellor/Property/OS.hs
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@ -75,8 +75,8 @@ cleanInstallOnce confirmation = check (not <$> doesFileExist flagfile) $
debootstrap targetos = ensureProperty $ toProp $
Debootstrap.built newOSDir targetos Debootstrap.DefaultConfig
umountall = property "all mount points unmounted" $ liftIO $ do
mnts <- filter (/= "/") <$> mountPoints
umountall = property "mount points unmounted" $ liftIO $ do
mnts <- filter (`notElem` ["/", "/proc"]) <$> mountPoints
forM_ mnts umountLazy
return $ if null mnts then NoChange else MadeChange
@ -84,11 +84,13 @@ cleanInstallOnce confirmation = check (not <$> doesFileExist flagfile) $
createDirectoryIfMissing True oldOSDir
rootcontents <- dirContents "/"
forM_ rootcontents $ \d ->
when (d /= oldOSDir && d /= newOSDir) $
when (d `notElem` [oldOSDir, newOSDir, "/proc"]) $
renameDirectory d (oldOSDir ++ d)
newrootcontents <- dirContents newOSDir
forM_ newrootcontents $ \d ->
renameDirectory d ("/" ++ takeFileName d)
forM_ newrootcontents $ \d -> do
let dest = "/" ++ takeFileName d
whenM (not <$> doesDirectoryExist dest) $
renameDirectory d dest
removeDirectory newOSDir
return MadeChange