implement 3 level trust storage in trust.log

Command/Semitrust.hs

@@ -0,0 +1,35 @@
+{- git-annex command
+ -
+ - Copyright 2010 Joey Hess <joey@kitenet.net>
+ -
+ - Licensed under the GNU GPL version 3 or higher.
+ -}
+
+module Command.Semitrust where
+
+import Command
+import qualified GitRepo as Git
+import qualified Remotes
+import UUID
+import Trust
+import Messages
+
+command :: [Command]
+command = [Command "semitrust" (paramRepeating paramRemote) seek
+	"return repository to default trust level"]
+
+seek :: [CommandSeek]
+seek = [withString start]
+
+{- Marks a remote as not trusted. -}
+start :: CommandStartString
+start name = do
+	r <- Remotes.byName name
+	showStart "untrust" name
+	return $ Just $ perform r
+
+perform :: Git.Repo -> CommandPerform
+perform repo = do
+	uuid <- getUUID repo
+	trustSet uuid SemiTrusted
+	return $ Just $ return True