diff options
| author |  Joey Hess <joey@kitenet.net> | 2011-11-10 23:35:08 -0400 |
|---|---|---|
| committer | Joey Hess <joey@kitenet.net> | 2011-11-10 23:45:14 -0400 |
| commit | b327227ba596d4fc5012138d03390c3eb861b808 (patch) | |
| tree | 921c3ca6851d1ede45c387d9fd54997dcbf44906 /Command.hs | |
| parent | 4389782628a1cc683ef238e848b6311fc4bd82c3 (diff) | |
better limiting of start actions to only run whenAnnexed
Mostly only refactoring, but this does remove one redundant stat of the
symlink by copy.
Diffstat (limited to 'Command.hs')
| -rw-r--r-- | Command.hs | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/Command.hs b/Command.hs index c436c5b62..083be37f2 100644 --- a/Command.hs +++ b/Command.hs @@ -15,8 +15,8 @@ module Command ( stop, prepCommand, doCommand, + whenAnnexed, notAnnexed, - isAnnexed, notBareRepo, isBareRepo, autoCopies @@ -65,12 +65,14 @@ doCommand = start failure = showEndFail >> return False status r = showEndResult r >> return r +{- Modifies an action to only act on files that are already annexed, + - and passes the key and backend on to it. -} +whenAnnexed :: (FilePath -> (Key, Backend Annex) -> Annex (Maybe a)) -> FilePath -> Annex (Maybe a) +whenAnnexed a file = maybe (return Nothing) (a file) =<< Backend.lookupFile file + notAnnexed :: FilePath -> Annex (Maybe a) -> Annex (Maybe a) notAnnexed file a = maybe a (const $ return Nothing) =<< Backend.lookupFile file -isAnnexed :: FilePath -> ((Key, Backend Annex) -> Annex (Maybe a)) -> Annex (Maybe a) -isAnnexed file a = maybe (return Nothing) a =<< Backend.lookupFile file - notBareRepo :: Annex a -> Annex a notBareRepo a = do whenM isBareRepo $ |