[PATCH] gnu: Add ghc-hslogger.

[rsiddharth <s@ricketyspace.net>]

* gnu/packages/haskell.scm (ghc-hslogger): New variable.
---
 gnu/packages/haskell.scm | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index 37e35c45f..f0800b4dc 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -8168,4 +8168,33 @@ Rust syntax.  It is intended to be useful for two different purposes:
 files in Haskell.")
     (license license:bsd-3)))
 
+(define-public ghc-hslogger
+  (package
+    (name "ghc-hslogger")
+    (version "1.2.10")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://hackage.haskell.org/package/"
+                           "hslogger-" version "/" "hslogger-"
+                           version ".tar.gz"))
+       (sha256 (base32
+                "0as5gvlh6pi2gflakp695qnlizyyp059dqrhvjl4gjxalja6xjnp"))))
+    (build-system haskell-build-system)
+    (inputs
+     `(("ghc-mtl" ,ghc-mtl)
+       ("ghc-network" ,ghc-network)
+       ("ghc-directory", ghc-directory)
+       ("ghc-old-locale" ,ghc-old-locale)
+       ("ghc-process" ,ghc-process)))
+    (native-inputs
+     `(("ghc-hunit" ,ghc-hunit)))
+    (home-page "http://software.complete.org/hslogger")
+    (synopsis "Logging framework for Haskell, similar to Python's logging module")
+    (description "Lets each log message have a priority and
+source be associated with it.  The programmer can then define global
+handlers that route or filter messages based on the priority and
+source.  It also has a syslog handler built in.")
+    (license license:bsd-3)))
+
 ;;; haskell.scm ends here
-- 
2.11.0