Brought back the setkey plumbing command that was removed in 2011, since we found a use case for it. Note that the command's syntax was changed for consistency.

This commit is contained in:
Joey Hess 2015-07-02 17:44:25 -04:00
parent ecedab0120
commit 1529add61a
6 changed files with 93 additions and 0 deletions

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Command/SetKey.hs Normal file
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{- git-annex command
-
- Copyright 2010, 2015 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.SetKey where
import Common.Annex
import Command
import Logs.Location
import Annex.Content
import Types.Key
cmd :: [Command]
cmd = [command "setkey" (paramPair paramKey paramPath) seek
SectionPlumbing "sets annexed content for a key"]
seek :: CommandSeek
seek = withWords start
start :: [String] -> CommandStart
start (keyname:file:[]) = do
showStart "setkey" file
next $ perform file (mkKey keyname)
start _ = error "specify a key and a content file"
mkKey :: String -> Key
mkKey = fromMaybe (error "bad key") . file2key
perform :: FilePath -> Key -> CommandPerform
perform file key = do
-- the file might be on a different filesystem, so mv is used
-- rather than simply calling moveAnnex; disk space is also
-- checked this way.
ok <- getViaTmp key $ \dest ->
if dest /= file
then liftIO $
boolSystem "mv" [File file, File dest]
else return True
if ok
then next $ cleanup key
else error "mv failed!"
cleanup :: Key -> CommandCleanup
cleanup key = do
logStatus key InfoPresent
return True