lfam pushed a commit to branch master
in repository guix.

commit 10a03d6665309903d614b87ab2d17278425feb2a
Author: ng0 <n...@we.make.ritual.n0.is>
Date:   Sun Sep 18 16:10:19 2016 +0000

    gnu: Add ghc-system-fileio.
    
    * gnu/packages/haskell.scm (ghc-system-fileio): New variable.
    
    Signed-off-by: Leo Famulari <l...@famulari.name>
---
 gnu/packages/haskell.scm |   28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index 35fcf6d..9825dba 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -7380,4 +7380,32 @@ Unlike the filepath package, this package does not 
simply reuse String,
 increasing type safety.")
     (license license:expat)))
 
+(define-public ghc-system-fileio
+  (package
+    (name "ghc-system-fileio")
+    (version "0.3.16.3")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://hackage.haskell.org/package/system-fileio/system-fileio-";
+             version ".tar.gz"))
+       (sha256
+        (base32
+         "1484hcl27s2qcby8ws5djj11q9bz68bspcifz9h5gii2ndy70x9i"))))
+    (build-system haskell-build-system)
+    (inputs
+     `(("ghc-system-filepath" ,ghc-system-filepath)
+       ("ghc-text" ,ghc-text)
+       ("ghc-chell" ,ghc-chell)
+       ("ghc-temporary" ,ghc-temporary)))
+    (home-page "https://github.com/fpco/haskell-filesystem";)
+    (synopsis "Consistent filesystem interaction across GHC versions")
+    (description
+     "This is a small wrapper around the directory, unix, and Win32 packages,
+for use with system-filepath.  It provides a consistent API to the various
+versions of these packages distributed with different versions of GHC.
+In particular, this library supports working with POSIX files that have paths
+which can't be decoded in the current locale encoding.")
+    (license license:expat)))
 ;;; haskell.scm ends here

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