What if you ran the program from within the directory that contains git.exe? Can you check that the PATH environment variable is set correctly from within the program?

On Thu, Oct 25, 2012 at 10:05 PM, José Pedro Magalhães <jpm@cs.uu.nl> wrote:
Hi all,

Consider the following program:

module Test where

import System.Process (readProcess)

main :: IO ()
main = readProcess "git" ["describe", "--tags"] "" >>= putStr

In Windows I get the following behaviour:

> git --version
git version 1.7.10.msysgit.1

> ghc --version
The Glorious Glasgow Haskell Compilation System, version 7.6.1

> runghc Test
Test: git: createProcess: does not exist (No such file or directory)

The same happens with GHC 7.4.2. In Linux, however, it works as expected:

$ git --version
git version 1.7.9.5
$ ghc --version
The Glorious Glasgow Haskell Compilation System, version 7.4.1
$ runghc Test.hs
Package-2.0-68-gacaf77a

Can anyone reproduce this result in Windows? Is this a bug or am I doing something wrong?


Thanks,
Pedro


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