94fcd0cf59
This commit includes a paydown on technical debt incurred two years ago, when I didn't know that it was bad to make custom Read and Show instances for types. As the routes need Read and Show for Transfer, which includes a Key, and deriving my own Read instance of key was not practical, I had to finally clean that up. So the compact Key read and show functions are now file2key and key2file, and Read and Show are now derived instances. Changed all code that used the old instances, compiler checked. (There were a few places, particularly in Command.Unused, and the test suite where the Show instance continue to be used for legitimate comparisons; ie show key_x == show key_y (though really in a bloom filter))
61 lines
1.6 KiB
Haskell
61 lines
1.6 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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import qualified Option
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def :: [Command]
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def = [withOptions [formatOption, print0Option] $
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command "find" paramPaths seek "lists available files"]
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formatOption :: Option
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formatOption = Option.field [] "format" paramFormat "control format of output"
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print0Option :: Option
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print0Option = Option.Option [] ["print0"] (Option.NoArg set)
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"terminate output with null"
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where
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set = Annex.setField (Option.name formatOption) "${file}\0"
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seek :: [CommandSeek]
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seek = [withField formatOption formatconverter $ \f ->
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withFilesInGit $ whenAnnexed $ start f]
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where
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formatconverter = return . fmap Utility.Format.gen
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start :: Maybe Utility.Format.Format -> FilePath -> (Key, Backend) -> 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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unlessM (showFullJSON vars) $
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case format of
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Nothing -> liftIO $ putStrLn file
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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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stop
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where
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vars =
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[ ("file", file)
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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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]
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size c = maybe "unknown" c $ keySize key
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