98 lines
3.1 KiB
Haskell
98 lines
3.1 KiB
Haskell
{- making local repositories
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-
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- Copyright 2012-2014 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 Assistant.MakeRepo where
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import Assistant.WebApp.Common
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import Annex.Init
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import qualified Git.Construct
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import qualified Git.Config
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import qualified Git.Command
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import qualified Git.Branch
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import qualified Annex
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import Annex.UUID
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import Annex.AdjustedBranch
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import Annex.Action
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import Types.StandardGroups
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import Logs.PreferredContent
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import qualified Annex.Branch
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import Utility.Process.Transcript
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import Config
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{- Makes a new git repository. Or, if a git repository already
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- exists, returns False. -}
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makeRepo :: FilePath -> Bool -> IO Bool
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makeRepo path bare = ifM (probeRepoExists path)
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( return False
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, do
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(transcript, ok) <-
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processTranscript "git" (toCommand params) Nothing
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unless ok $
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giveup $ "git init failed!\nOutput:\n" ++ transcript
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return True
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)
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where
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baseparams = [Param "init", Param "--quiet"]
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params
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| bare = baseparams ++ [Param "--bare", File path]
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| otherwise = baseparams ++ [File path]
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{- Runs an action in the git repository in the specified directory. -}
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inDir :: FilePath -> Annex a -> IO a
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inDir dir a = do
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state <- Annex.new
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=<< Git.Config.read
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=<< Git.Construct.fromPath (toRawFilePath dir)
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Annex.eval state $ a `finally` quiesce True
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{- Creates a new repository, and returns its UUID. -}
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initRepo :: Bool -> Bool -> FilePath -> Maybe String -> Maybe StandardGroup -> IO UUID
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initRepo True primary_assistant_repo dir desc mgroup = inDir dir $ do
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initRepo' desc mgroup
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{- Initialize the master branch, so things that expect
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- to have it will work, before any files are added. -}
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unlessM (fromMaybe False . Git.Config.isBare <$> gitRepo) $ do
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cmode <- annexCommitMode <$> Annex.getGitConfig
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void $ inRepo $ Git.Branch.commitCommand cmode
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(Git.Branch.CommitQuiet True)
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[ Param "--allow-empty"
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, Param "-m"
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, Param "created repository"
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]
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{- Repositories directly managed by the assistant use
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- an adjusted unlocked branch with annex.thin set.
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-
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- Automatic gc is disabled, as it can be slow. Instead, gc is done
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- once a day.
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-}
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when primary_assistant_repo $ do
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void $ enterAdjustedBranch (LinkAdjustment UnlockAdjustment)
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setConfig (annexConfig "thin") (Git.Config.boolConfig True)
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inRepo $ Git.Command.run
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[Param "config", Param "gc.auto", Param "0"]
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getUUID
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{- Repo already exists, could be a non-git-annex repo though so
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- still initialize it. -}
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initRepo False _ dir desc mgroup = inDir dir $ do
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initRepo' desc mgroup
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getUUID
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initRepo' :: Maybe String -> Maybe StandardGroup -> Annex ()
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initRepo' desc mgroup = unlessM isInitialized $ do
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initialize desc Nothing
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u <- getUUID
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maybe noop (defaultStandardGroup u) mgroup
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{- Ensure branch gets committed right away so it is
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- available for merging immediately. -}
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Annex.Branch.commit =<< Annex.Branch.commitMessage
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{- Checks if a git repo exists at a location. -}
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probeRepoExists :: FilePath -> IO Bool
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probeRepoExists dir = isJust <$>
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catchDefaultIO Nothing (Git.Construct.checkForRepo (encodeBS dir))
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