blob: 0d3e798a1e2c2f224ac6deda706129d7102c54d3 (
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
|
{- git check-attr interface
-
- Copyright 2010, 2011 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Git.CheckAttr where
import System.Exit
import Common
import Git
import Git.Command
import qualified Git.Filename
{- Efficiently looks up a gitattributes value for each file in a list. -}
lookup :: String -> [FilePath] -> Repo -> IO [(FilePath, String)]
lookup attr files repo = do
-- git check-attr needs relative filenames input; it will choke
-- on some absolute filenames. This also means it will output
-- all relative filenames.
cwd <- getCurrentDirectory
let relfiles = map (relPathDirToFile cwd . absPathFrom cwd) files
(_, fromh, toh) <- hPipeBoth "git" (toCommand params)
_ <- forkProcess $ do
hClose fromh
hPutStr toh $ join "\0" relfiles
hClose toh
exitSuccess
hClose toh
(map topair . lines) <$> hGetContents fromh
where
params = gitCommandLine
[ Param "check-attr"
, Param attr
, Params "-z --stdin"
] repo
topair l = (Git.Filename.decode file, value)
where
file = join sep $ beginning bits
value = end bits !! 0
bits = split sep l
sep = ": " ++ attr ++ ": "
|
