blob: afff46c0cece045cfc3626dd27119f4c620fd53d (
plain)
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
41
42
43
44
45
46
47
48
49
|
{- git-annex file copying with rsync
-
- Copyright 2010 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module RsyncFile where
import System.Posix.Process
import Data.String.Utils
import Utility
{- Generates parameters to make rsync use a specified command as its remote
- shell. -}
rsyncShell :: [CommandParam] -> [CommandParam]
rsyncShell command = [Param "-e", Param $ unwords $ map escape (toCommand command)]
where
{- rsync requires some weird, non-shell like quoting in
- here. A doubled single quote inside the single quoted
- string is a single quote. -}
escape s = "'" ++ (join "''" $ split "'" s) ++ "'"
{- Runs rsync in server mode to send a file, and exits. -}
rsyncServerSend :: FilePath -> IO ()
rsyncServerSend file = rsyncExec $
rsyncServerParams ++ [Param "--sender", File file]
{- Runs rsync in server mode to receive a file. -}
rsyncServerReceive :: FilePath -> IO Bool
rsyncServerReceive file = rsync $ rsyncServerParams ++ [File file]
rsyncServerParams :: [CommandParam]
rsyncServerParams =
[ Param "--server"
-- preserve permissions
, Param "-p"
-- allow resuming of transfers of big files
, Param "--inplace"
-- other options rsync normally uses in server mode
, Params "-e.Lsf ."
]
rsync :: [CommandParam] -> IO Bool
rsync = boolSystem "rsync"
rsyncExec :: [CommandParam] -> IO ()
rsyncExec params = executeFile "rsync" True (toCommand params) Nothing
|
