40ecf58d4b
This does not change the overall license of the git-annex program, which was already AGPL due to a number of sources files being AGPL already. Legally speaking, I'm adding a new license under which these files are now available; I already released their current contents under the GPL license. Now they're dual licensed GPL and AGPL. However, I intend for all my future changes to these files to only be released under the AGPL license, and I won't be tracking the dual licensing status, so I'm simply changing the license statement to say it's AGPL. (In some cases, others wrote parts of the code of a file and released it under the GPL; but in all cases I have contributed a significant portion of the code in each file and it's that code that is getting the AGPL license; the GPL license of other contributors allows combining with AGPL code.)
57 lines
1.5 KiB
Haskell
57 lines
1.5 KiB
Haskell
{- git-annex command
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-
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- Copyright 2013-2015 Joey Hess <id@joeyh.name>
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-
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- Licensed under the GNU AGPL version 3 or higher.
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-}
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module Command.Wanted where
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import Command
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import qualified Remote
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import Logs.PreferredContent
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import Types.StandardGroups
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import qualified Data.Map as M
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cmd :: Command
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cmd = cmd' "wanted" "get or set preferred content expression"
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preferredContentMapRaw
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preferredContentSet
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cmd'
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:: String
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-> String
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-> Annex (M.Map UUID PreferredContentExpression)
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-> (UUID -> PreferredContentExpression -> Annex ())
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-> Command
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cmd' name desc getter setter = noMessages $
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command name SectionSetup desc pdesc (withParams seek)
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where
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pdesc = paramPair paramRemote (paramOptional paramExpression)
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seek = withWords (commandAction . start)
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start (rname:[]) = go rname (performGet getter)
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start (rname:expr:[]) = go rname $ \uuid -> do
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allowMessages
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showStart' name (Just rname)
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performSet setter expr uuid
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start _ = giveup "Specify a repository."
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go rname a = do
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u <- Remote.nameToUUID rname
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next $ a u
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performGet :: Ord a => Annex (M.Map a PreferredContentExpression) -> a -> CommandPerform
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performGet getter a = do
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m <- getter
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liftIO $ putStrLn $ fromMaybe "" $ M.lookup a m
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next $ return True
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performSet :: (a -> PreferredContentExpression -> Annex ()) -> String -> a -> CommandPerform
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performSet setter expr a = case checkPreferredContentExpression expr of
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Just e -> giveup $ "Parse error: " ++ e
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Nothing -> do
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setter a expr
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next $ return True
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