File: Version.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 (32 lines) | stat: -rw-r--r-- 581 bytes parent folder | download | duplicates (10)
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
{- git versions
 -
 - Copyright 2011, 2013 Joey Hess <id@joeyh.name>
 -
 - Licensed under the GNU GPL version 3 or higher.
 -}

{-# OPTIONS_GHC -fno-warn-tabs #-}

module Git.Version (
	installed,
	older,
	normalize,
	GitVersion,
) where

import Common
import Utility.DottedVersion

type GitVersion = DottedVersion

installed :: IO GitVersion
installed = normalize . extract <$> readProcess "git" ["--version"]
  where
	extract s = case lines s of
		[] -> ""
		(l:_) -> unwords $ drop 2 $ words l

older :: String -> IO Bool
older n = do
	v <- installed
	return $ v < normalize n