09b5e53f49
getRepoUUID looks at that, and was seeing the annex.uuid of the proxy. Which caused it to unncessarily set the git config. Probably also would have led to other problems.
128 lines
3.4 KiB
Haskell
128 lines
3.4 KiB
Haskell
{- git-annex uuids
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-
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- Each git repository used by git-annex has an annex.uuid setting that
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- uniquely identifies that repository.
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-
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- UUIDs of remotes are cached in git config, using keys named
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- remote.<name>.annex-uuid
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-
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- Copyright 2010-2024 Joey Hess <id@joeyh.name>
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-
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- Licensed under the GNU AGPL version 3 or higher.
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-}
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{-# LANGUAGE OverloadedStrings #-}
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module Annex.UUID (
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configkeyUUID,
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configRepoUUID,
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getUUID,
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getRepoUUID,
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getUncachedUUID,
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isUUIDConfigured,
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prepUUID,
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genUUID,
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genUUIDInNameSpace,
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gCryptNameSpace,
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removeRepoUUID,
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storeUUID,
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storeUUIDIn,
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setUUID,
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webUUID,
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bitTorrentUUID,
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) where
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import Annex.Common
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import qualified Annex
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import qualified Git
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import qualified Git.Config
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import Git.Types
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import Config
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import qualified Data.UUID as U
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import qualified Data.UUID.V4 as U4
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import qualified Data.UUID.V5 as U5
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import qualified Data.ByteString as S
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import Data.String
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configkeyUUID :: ConfigKey
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configkeyUUID = annexConfig "uuid"
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configRepoUUID :: Git.Repo -> ConfigKey
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configRepoUUID r = remoteAnnexConfig r "uuid"
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{- Generates a random UUID, that does not include the MAC address. -}
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genUUID :: IO UUID
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genUUID = toUUID <$> U4.nextRandom
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{- Generates a UUID from a given string, using a namespace.
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- Given the same namespace, the same string will always result
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- in the same UUID. -}
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genUUIDInNameSpace :: U.UUID -> S.ByteString -> UUID
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genUUIDInNameSpace namespace = toUUID . U5.generateNamed namespace . S.unpack
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{- Namespace used for UUIDs derived from git-remote-gcrypt ids. -}
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gCryptNameSpace :: U.UUID
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gCryptNameSpace = U5.generateNamed U5.namespaceURL $
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S.unpack "http://git-annex.branchable.com/design/gcrypt/"
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{- Get current repository's UUID. -}
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getUUID :: Annex UUID
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getUUID = annexUUID <$> Annex.getGitConfig
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{- Looks up a remote repo's UUID, caching it in .git/config if
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- it's not already. -}
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getRepoUUID :: Git.Repo -> Annex UUID
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getRepoUUID r = do
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c <- toUUID <$> getConfig cachekey ""
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let u = getUncachedUUID r
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if c /= u && u /= NoUUID
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then do
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liftIO $ print (r, "setting cache", c, u)
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updatecache u
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return u
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else return c
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where
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updatecache u = do
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g <- gitRepo
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when (g /= r) $ storeUUIDIn cachekey u
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cachekey = configRepoUUID r
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removeRepoUUID :: Annex ()
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removeRepoUUID = do
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unsetConfig configkeyUUID
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storeUUID NoUUID
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getUncachedUUID :: Git.Repo -> UUID
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getUncachedUUID = toUUID . Git.Config.get configkeyUUID ""
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-- Does the repo's config have a key for the UUID?
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-- True even when the key has no value.
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isUUIDConfigured :: Git.Repo -> Bool
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isUUIDConfigured = isJust . Git.Config.getMaybe configkeyUUID
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{- Make sure that the repo has an annex.uuid setting. -}
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prepUUID :: Annex ()
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prepUUID = whenM ((==) NoUUID <$> getUUID) $
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storeUUID =<< liftIO genUUID
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storeUUID :: UUID -> Annex ()
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storeUUID = storeUUIDIn configkeyUUID
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storeUUIDIn :: ConfigKey -> UUID -> Annex ()
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storeUUIDIn configfield = setConfig configfield . fromUUID
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{- Only sets the configkey in the Repo; does not change .git/config -}
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setUUID :: Git.Repo -> UUID -> IO Git.Repo
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setUUID r u = do
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let s = encodeBS $ show configkeyUUID ++ "=" ++ fromUUID u
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Git.Config.store s Git.Config.ConfigList r
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-- Dummy uuid for the whole web. Do not alter.
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webUUID :: UUID
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webUUID = UUID (fromString "00000000-0000-0000-0000-000000000001")
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-- Dummy uuid for bittorrent. Do not alter.
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bitTorrentUUID :: UUID
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bitTorrentUUID = UUID (fromString "00000000-0000-0000-0000-000000000002")
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