add upgrade.log
The upgrade from V9 uses this to avoid an automatic upgrade until 1 year after the V9 update. It can also be used in future such situations. Sponsored-by: Dartmouth College's Datalad project
This commit is contained in:
parent
856ce5cf5f
commit
9d5db6a09a
6 changed files with 106 additions and 19 deletions
52
Logs/Upgrade.hs
Normal file
52
Logs/Upgrade.hs
Normal file
|
@ -0,0 +1,52 @@
|
|||
{- git-annex upgrade log
|
||||
-
|
||||
- This file is stored locally in .git/annex/, not in the git-annex branch.
|
||||
-
|
||||
- The format: "version timestamp"
|
||||
-
|
||||
- Copyright 2022 Joey Hess <id@joeyh.name>
|
||||
-
|
||||
- Licensed under the GNU AGPL version 3 or higher.
|
||||
-}
|
||||
|
||||
module Logs.Upgrade (
|
||||
writeUpgradeLog,
|
||||
readUpgradeLog,
|
||||
timeOfUpgrade,
|
||||
) where
|
||||
|
||||
import Annex.Common
|
||||
import Utility.TimeStamp
|
||||
import Logs.File
|
||||
import Types.RepoVersion
|
||||
|
||||
import Data.Time.Clock.POSIX
|
||||
|
||||
writeUpgradeLog :: RepoVersion -> POSIXTime-> Annex ()
|
||||
writeUpgradeLog v t = do
|
||||
logfile <- fromRepo gitAnnexUpgradeLog
|
||||
appendLogFile logfile gitAnnexUpgradeLock $ encodeBL $
|
||||
show (fromRepoVersion v) ++ " " ++ show t
|
||||
|
||||
readUpgradeLog :: Annex [(RepoVersion, POSIXTime)]
|
||||
readUpgradeLog = do
|
||||
logfile <- fromRawFilePath <$> fromRepo gitAnnexUpgradeLog
|
||||
ifM (liftIO $ doesFileExist logfile)
|
||||
( mapMaybe parse . lines
|
||||
<$> liftIO (readFileStrict logfile)
|
||||
, return []
|
||||
)
|
||||
where
|
||||
parse line = case (readish sint, parsePOSIXTime ts) of
|
||||
(Just v, Just t) -> Just (RepoVersion v, t)
|
||||
_ -> Nothing
|
||||
where
|
||||
(sint, ts) = separate (== ' ') line
|
||||
|
||||
timeOfUpgrade :: RepoVersion -> Annex (Maybe POSIXTime)
|
||||
timeOfUpgrade want = do
|
||||
l <- readUpgradeLog
|
||||
return $ case filter (\(v, _) -> v == want) l of
|
||||
[] -> Nothing
|
||||
l' -> Just (minimum (map snd l'))
|
||||
|
Loading…
Add table
Add a link
Reference in a new issue