File: FilePath.hs

package info (click to toggle)
git-repair 1.20151215-1.2
  • links: PTS
  • area: main
  • in suites: buster
  • size: 548 kB
  • sloc: haskell: 4,574; makefile: 29; sh: 19
file content (77 lines) | stat: -rw-r--r-- 2,088 bytes parent folder | download | duplicates (2)
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
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
{- git FilePath library
 -
 - Different git commands use different types of FilePaths to refer to
 - files in the repository. Some commands use paths relative to the
 - top of the repository even when run in a subdirectory. Adding some
 - types helps keep that straight.
 -
 - Copyright 2012-2013 Joey Hess <id@joeyh.name>
 -
 - Licensed under the GNU GPL version 3 or higher.
 -}

{-# LANGUAGE CPP #-}

module Git.FilePath (
	TopFilePath,
	fromTopFilePath,
	getTopFilePath,
	toTopFilePath,
	asTopFilePath,
	InternalGitPath,
	toInternalGitPath,
	fromInternalGitPath,
	absoluteGitPath
) where

import Common
import Git

import qualified System.FilePath.Posix

{- A FilePath, relative to the top of the git repository. -}
newtype TopFilePath = TopFilePath { getTopFilePath :: FilePath }
	deriving (Show)

{- Returns an absolute FilePath. -}
fromTopFilePath :: TopFilePath -> Git.Repo -> FilePath
fromTopFilePath p repo = absPathFrom (repoPath repo) (getTopFilePath p)

{- The input FilePath can be absolute, or relative to the CWD. -}
toTopFilePath :: FilePath -> Git.Repo -> IO TopFilePath
toTopFilePath file repo = TopFilePath <$> relPathDirToFile (repoPath repo) file

{- The input FilePath must already be relative to the top of the git
 - repository -}
asTopFilePath :: FilePath -> TopFilePath
asTopFilePath file = TopFilePath file

{- Git may use a different representation of a path when storing
 - it internally. 
 -
 - On Windows, git uses '/' to separate paths stored in the repository,
 - despite Windows using '\'.
 -
 -}
type InternalGitPath = String

toInternalGitPath :: FilePath -> InternalGitPath
#ifndef mingw32_HOST_OS
toInternalGitPath = id
#else
toInternalGitPath = replace "\\" "/"
#endif

fromInternalGitPath :: InternalGitPath -> FilePath
#ifndef mingw32_HOST_OS
fromInternalGitPath = id
#else
fromInternalGitPath = replace "/" "\\"
#endif

{- isAbsolute on Windows does not think "/foo" or "\foo" is absolute,
 - so try posix paths.
 -}
absoluteGitPath :: FilePath -> Bool
absoluteGitPath p = isAbsolute p ||
	System.FilePath.Posix.isAbsolute (toInternalGitPath p)