File: Smudge.hs

package info (click to toggle)
git-annex 7.20190129-3
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 56,292 kB
  • sloc: haskell: 59,105; sh: 1,255; makefile: 225; perl: 136; ansic: 44
file content (40 lines) | stat: -rw-r--r-- 1,035 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
{- git-annex smudge log file
 -
 - Copyright 2018 Joey Hess <id@joeyh.name>
 -
 - Licensed under the GNU AGPL version 3 or higher.
 -}

module Logs.Smudge where

import Annex.Common
import Git.FilePath
import Logs.File

-- | Log a smudged file.
smudgeLog :: Key -> TopFilePath -> Annex ()
smudgeLog k f = do
	logf <- fromRepo gitAnnexSmudgeLog
	appendLogFile logf gitAnnexSmudgeLock $ 
		serializeKey k ++ " " ++ getTopFilePath f

-- | Streams all smudged files, and then empties the log at the end.
--
-- If the action is interrupted or throws an exception, the log file is
-- left unchanged.
--
-- Locking is used to prevent new items being added to the log while this
-- is running.
streamSmudged :: (Key -> TopFilePath -> Annex ()) -> Annex ()
streamSmudged a = do
	logf <- fromRepo gitAnnexSmudgeLog
	streamLogFile logf gitAnnexSmudgeLock $ \l -> 
		case parse l of
			Nothing -> noop
			Just (k, f) -> a k f
  where
	parse l = 
		let (ks, f) = separate (== ' ') l
		in do
			k <- deserializeKey ks
			return (k, asTopFilePath f)