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-rw-r--r--Remote/Bup.hs8
-rw-r--r--Remote/Directory.hs8
-rw-r--r--Remote/Git.hs36
-rw-r--r--Remote/Hook.hs6
-rw-r--r--Remote/Rsync.hs2
-rw-r--r--Remote/S3real.hs2
-rw-r--r--Remote/Web.hs2
7 files changed, 45 insertions, 19 deletions
diff --git a/Remote/Bup.hs b/Remote/Bup.hs
index b8d7cd317..866d4b42d 100644
--- a/Remote/Bup.hs
+++ b/Remote/Bup.hs
@@ -139,17 +139,21 @@ remove _ = do
- in a bup repository. One way it to check if the git repository has
- a branch matching the name (as created by bup split -n).
-}
-checkPresent :: Git.Repo -> Git.Repo -> Key -> Annex (Either IOException Bool)
+checkPresent :: Git.Repo -> Git.Repo -> Key -> Annex (Either String Bool)
checkPresent r bupr k
| Git.repoIsUrl bupr = do
showAction $ "checking " ++ Git.repoDescribe r
ok <- onBupRemote bupr boolSystem "git" params
return $ Right ok
- | otherwise = liftIO $ try $ boolSystem "git" $ Git.gitCommandLine params bupr
+ | otherwise = dispatch <$> localcheck
where
params =
[ Params "show-ref --quiet --verify"
, Param $ "refs/heads/" ++ show k]
+ localcheck = liftIO $ try $
+ boolSystem "git" $ Git.gitCommandLine params bupr
+ dispatch (Left e) = Left $ show e
+ dispatch (Right v) = Right v
{- Store UUID in the annex.uuid setting of the bup repository. -}
storeBupUUID :: UUID -> BupRepo -> Annex ()
diff --git a/Remote/Directory.hs b/Remote/Directory.hs
index 8e306e228..6d3a5da7d 100644
--- a/Remote/Directory.hs
+++ b/Remote/Directory.hs
@@ -114,5 +114,9 @@ remove d k = liftIO $ catchBool $ do
file = dirKey d k
dir = parentDir file
-checkPresent :: FilePath -> Key -> Annex (Either IOException Bool)
-checkPresent d k = liftIO $ try $ doesFileExist (dirKey d k)
+checkPresent :: FilePath -> Key -> Annex (Either String Bool)
+checkPresent d k = dispatch <$> check
+ where
+ check = liftIO $ try $ doesFileExist (dirKey d k)
+ dispatch (Left e) = Left $ show e
+ dispatch (Right v) = Right v
diff --git a/Remote/Git.hs b/Remote/Git.hs
index 75f0ac757..b63a8f124 100644
--- a/Remote/Git.hs
+++ b/Remote/Git.hs
@@ -125,22 +125,38 @@ tryGitConfigRead r
else old : exchange ls new
{- Checks if a given remote has the content for a key inAnnex.
- - If the remote cannot be accessed, returns a Left error.
+ - If the remote cannot be accessed, or if it cannot determine
+ - whether it has the content, returns a Left error message.
-}
-inAnnex :: Git.Repo -> Key -> Annex (Either IOException Bool)
+inAnnex :: Git.Repo -> Key -> Annex (Either String Bool)
inAnnex r key
- | Git.repoIsHttp r = safely checkhttp
+ | Git.repoIsHttp r = checkhttp
| Git.repoIsUrl r = checkremote
- | otherwise = safely checklocal
+ | otherwise = checklocal
where
- checklocal = onLocal r $ Annex.Content.inAnnex key
+ checkhttp = dispatch <$> check
+ where
+ check = safely $ Url.exists $ keyUrl r key
+ dispatch (Left e) = Left $ show e
+ dispatch (Right v) = Right v
checkremote = do
showAction $ "checking " ++ Git.repoDescribe r
- inannex <- onRemote r (boolSystem, False) "inannex"
- [Param (show key)]
- return $ Right inannex
- checkhttp = Url.exists $ keyUrl r key
- safely a = liftIO (try a ::IO (Either IOException Bool))
+ onRemote r (check, unknown) "inannex" [Param (show key)]
+ where
+ check c p = dispatch <$> safeSystem c p
+ dispatch ExitSuccess = Right True
+ dispatch (ExitFailure 1) = Right False
+ dispatch _ = unknown
+ checklocal = dispatch <$> check
+ where
+ check = safely $ onLocal r $
+ Annex.Content.inAnnexSafe key
+ dispatch (Left e) = Left $ show e
+ dispatch (Right (Just b)) = Right b
+ dispatch (Right Nothing) = unknown
+ safely :: IO a -> Annex (Either IOException a)
+ safely a = liftIO $ try a
+ unknown = Left $ "unable to check " ++ Git.repoDescribe r
{- Runs an action on a local repository inexpensively, by making an annex
- monad using that repository. -}
diff --git a/Remote/Hook.hs b/Remote/Hook.hs
index 06568a3cb..9f9250e41 100644
--- a/Remote/Hook.hs
+++ b/Remote/Hook.hs
@@ -119,14 +119,16 @@ retrieveEncrypted h (cipher, enck) f = withTmp enck $ \tmp ->
remove :: String -> Key -> Annex Bool
remove h k = runHook h "remove" k Nothing $ return True
-checkPresent :: Git.Repo -> String -> Key -> Annex (Either IOException Bool)
+checkPresent :: Git.Repo -> String -> Key -> Annex (Either String Bool)
checkPresent r h k = do
showAction $ "checking " ++ Git.repoDescribe r
v <- lookupHook h "checkpresent"
- liftIO (try (check v) ::IO (Either IOException Bool))
+ dispatch <$> liftIO (try (check v) ::IO (Either IOException Bool))
where
findkey s = show k `elem` lines s
env = hookEnv k Nothing
+ dispatch (Left e) = Left $ show e
+ dispatch (Right v) = Right v
check Nothing = error "checkpresent hook misconfigured"
check (Just hook) = do
(frompipe, topipe) <- createPipe
diff --git a/Remote/Rsync.hs b/Remote/Rsync.hs
index 0dfad7293..54834be13 100644
--- a/Remote/Rsync.hs
+++ b/Remote/Rsync.hs
@@ -128,7 +128,7 @@ remove o k = withRsyncScratchDir $ \tmp -> do
, Param $ rsyncKeyDir o k
]
-checkPresent :: Git.Repo -> RsyncOpts -> Key -> Annex (Either IOException Bool)
+checkPresent :: Git.Repo -> RsyncOpts -> Key -> Annex (Either String Bool)
checkPresent r o k = do
showAction $ "checking " ++ Git.repoDescribe r
-- note: Does not currently differnetiate between rsync failing
diff --git a/Remote/S3real.hs b/Remote/S3real.hs
index b201b5aad..29117b3a4 100644
--- a/Remote/S3real.hs
+++ b/Remote/S3real.hs
@@ -172,7 +172,7 @@ remove r k = s3Action r False $ \(conn, bucket) -> do
res <- liftIO $ deleteObject conn $ bucketKey r bucket k
s3Bool res
-checkPresent :: Remote Annex -> Key -> Annex (Either IOException Bool)
+checkPresent :: Remote Annex -> Key -> Annex (Either String Bool)
checkPresent r k = s3Action r noconn $ \(conn, bucket) -> do
showAction $ "checking " ++ name r
res <- liftIO $ getObjectInfo conn $ bucketKey r bucket k
diff --git a/Remote/Web.hs b/Remote/Web.hs
index da7f38472..64fcd51aa 100644
--- a/Remote/Web.hs
+++ b/Remote/Web.hs
@@ -64,7 +64,7 @@ dropKey _ = do
warning "removal from web not supported"
return False
-checkKey :: Key -> Annex (Either IOException Bool)
+checkKey :: Key -> Annex (Either String Bool)
checkKey key = do
us <- getUrls key
if null us