git-annex/Command/GCryptSetup.hs

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{- git-annex command
-
- Copyright 2013 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.GCryptSetup where
import Common.Annex
import Command
import Annex.UUID
import qualified Remote.GCrypt
import qualified Git
def :: [Command]
def = [dontCheck repoExists $ noCommit $
command "gcryptsetup" paramValue seek
SectionPlumbing "sets up gcrypt repository"]
seek :: [CommandSeek]
seek = [withStrings start]
start :: String -> CommandStart
start gcryptid = next $ next $ do
u <- getUUID
when (u /= NoUUID) $
error "gcryptsetup refusing to run; this repository already has a git-annex uuid!"
g <- gitRepo
gu <- Remote.GCrypt.getGCryptUUID True g
let newgu = genUUIDInNameSpace gCryptNameSpace gcryptid
if gu == Nothing || gu == Just newgu
then if Git.repoIsLocalBare g
then do
void $ Remote.GCrypt.setupRepo gcryptid g
return True
else error "cannot use gcrypt in a non-bare repository"
else error "gcryptsetup uuid mismatch"