diff options
Diffstat (limited to 'Assistant/Watcher.hs')
| -rw-r--r-- | Assistant/Watcher.hs | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/Assistant/Watcher.hs b/Assistant/Watcher.hs index 4aac33fd1..5af39ea88 100644 --- a/Assistant/Watcher.hs +++ b/Assistant/Watcher.hs @@ -13,13 +13,14 @@ import Common.Annex import Assistant.ThreadedMonad import Assistant.DaemonStatus import Assistant.Committer -import Utility.ThreadLock +import Utility.ThreadScheduler import qualified Annex.Queue import qualified Git.Command import qualified Git.UpdateIndex import qualified Git.HashObject import qualified Git.LsFiles import qualified Backend +import qualified Annex import Annex.Content import Annex.CatFile import Git.Types @@ -35,6 +36,23 @@ import System.INotify type Handler = FilePath -> Maybe FileStatus -> DaemonStatusHandle -> Annex (Maybe Change) +checkCanWatch :: Annex () +checkCanWatch = do +#if defined linux_HOST_OS + unlessM (liftIO (inPath "lsof") <||> Annex.getState Annex.force) $ + needLsof +#else + error "watch mode is currently only available in Linux" +#endif + +needLsof :: Annex () +needLsof = error $ unlines + [ "The lsof command is needed for watch mode to be safe, and is not in PATH." + , "To override lsof checks to ensure that files are not open for writing" + , "when added to the annex, you can use --force" + , "Be warned: This can corrupt data in the annex, and make fsck complain." + ] + watchThread :: ThreadState -> DaemonStatusHandle -> ChangeChan -> IO () #if defined linux_HOST_OS watchThread st dstatus changechan = withINotify $ \i -> do @@ -61,7 +79,7 @@ watchThread st dstatus changechan = withINotify $ \i -> do , errHook = hook onErr } #else -watchThread = error "so far only available on Linux" +watchThread = undefined #endif ignored :: FilePath -> Bool |