74 lines
2.1 KiB
Haskell
74 lines
2.1 KiB
Haskell
{- git-annex command
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-
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- Copyright 2010-2012 Joey Hess <joey@kitenet.net>
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-
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- Licensed under the GNU GPL version 3 or higher.
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-}
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module Command.Find where
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import qualified Data.Map as M
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import Common.Annex
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import Command
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import Annex.Content
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import Limit
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import qualified Annex
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import qualified Utility.Format
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import Utility.DataUnits
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import Types.Key
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cmd :: [Command]
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cmd = [mkCommand $ command "find" paramPaths seek SectionQuery "lists available files"]
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mkCommand :: Command -> Command
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mkCommand = noCommit . noMessages . withOptions [formatOption, print0Option, jsonOption]
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formatOption :: Option
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formatOption = fieldOption [] "format" paramFormat "control format of output"
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getFormat :: Annex (Maybe Utility.Format.Format)
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getFormat = getOptionField formatOption $ return . fmap Utility.Format.gen
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print0Option :: Option
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print0Option = Option [] ["print0"] (NoArg set)
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"terminate output with null"
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where
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set = Annex.setField (optionName formatOption) "${file}\0"
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seek :: CommandSeek
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seek ps = do
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format <- getFormat
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withFilesInGit (whenAnnexed $ start format) ps
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start :: Maybe Utility.Format.Format -> FilePath -> Key -> CommandStart
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start format file key = do
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-- only files inAnnex are shown, unless the user has requested
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-- others via a limit
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whenM (limited <||> inAnnex key) $
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showFormatted format file $ ("file", file) : keyVars key
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stop
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showFormatted :: Maybe Utility.Format.Format -> String -> [(String, String)] -> Annex ()
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showFormatted format unformatted vars =
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unlessM (showFullJSON vars) $
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case format of
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Nothing -> liftIO $ putStrLn unformatted
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Just formatter -> liftIO $ putStr $
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Utility.Format.format formatter $
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M.fromList vars
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keyVars :: Key -> [(String, String)]
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keyVars key =
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[ ("key", key2file key)
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, ("backend", keyBackendName key)
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, ("bytesize", size show)
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, ("humansize", size $ roughSize storageUnits True)
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, ("keyname", keyName key)
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, ("hashdirlower", hashDirLower key)
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, ("hashdirmixed", hashDirMixed key)
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, ("mtime", whenavail show $ keyMtime key)
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]
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where
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size c = whenavail c $ keySize key
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whenavail = maybe "unknown"
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