git-annex/Command/GCryptSetup.hs
Joey Hess 3a05d53761
add SeekInput (not yet used)
No behavior changes (hopefully), just adding SeekInput and plumbing it
through to the JSON display code for later use.

Over the course of 2 grueling days.

withFilesNotInGit reimplemented in terms of seekHelper
should be the only possible behavior change. It seems to test as
behaving the same.

Note that seekHelper dummies up the SeekInput in the case where
segmentPaths' gives up on sorting the expanded paths because there are
too many input paths. When SeekInput later gets exposed as a json field,
that will result in it being a little bit wrong in the case where
100 or more paths are passed to a git-annex command. I think this is a
subtle enough problem to not matter. If it does turn out to be a
problem, fixing it would require splitting up the input
parameters into groups of < 100, which would make git ls-files run
perhaps more than is necessary. May want to revisit this, because that
fix seems fairly low-impact.
2020-09-15 15:41:13 -04:00

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{- git-annex command
-
- Copyright 2013 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
module Command.GCryptSetup where
import Command
import Annex.UUID
import qualified Remote.GCrypt
import qualified Git
cmd :: Command
cmd = dontCheck repoExists $ noCommit $
command "gcryptsetup" SectionPlumbing
"sets up gcrypt repository"
paramValue (withParams seek)
seek :: CmdParams -> CommandSeek
seek = withStrings (commandAction . start)
start :: String -> CommandStart
start gcryptid = starting "gcryptsetup" (ActionItemOther Nothing) (SeekInput [gcryptid]) $ do
u <- getUUID
when (u /= NoUUID) $
giveup "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 isNothing gu || gu == Just newgu
then if Git.repoIsLocalBare g
then do
void $ Remote.GCrypt.setupRepo gcryptid g
next $ return True
else giveup "cannot use gcrypt in a non-bare repository"
else giveup "gcryptsetup uuid mismatch"