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Diffstat (limited to 'Upgrade.hs')
| -rw-r--r-- | Upgrade.hs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Upgrade.hs b/Upgrade.hs index 3c16bcc86..7469d9ba7 100644 --- a/Upgrade.hs +++ b/Upgrade.hs @@ -13,6 +13,7 @@ import Control.Monad.State (liftIO) import Control.Monad (filterM, forM_) import System.Posix.Files import System.FilePath +import Data.Maybe import Content import Types @@ -74,7 +75,7 @@ getKeysPresent0' dir = do else do contents <- liftIO $ getDirectoryContents dir files <- liftIO $ filterM present contents - return $ map fileKey files + return $ catMaybes $ map fileKey files where present d = do result <- try $ |