05/08: gnu: Add ssdeep.

[Ludovic Courtès]

civodul pushed a commit to branch master
in repository guix.

commit 592ccdd38850d581f669f834f051ee8f92d7ee31
Author: Tobias Geerinckx-Rice <address@hidden>
Date:   Tue Jul 19 04:05:29 2016 +0200

    gnu: Add ssdeep.
    
    * gnu/packages/datastructures.scm (ssdeep): New variable.
    
    Signed-off-by: Ludovic Courtès <address@hidden>
---
 gnu/packages/datastructures.scm |   22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/gnu/packages/datastructures.scm b/gnu/packages/datastructures.scm
index 74b9fff..b9e6061 100644
--- a/gnu/packages/datastructures.scm
+++ b/gnu/packages/datastructures.scm
@@ -1,5 +1,6 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2015, 2016 Ricardo Wurmus <address@hidden>
+;;; Copyright © 2016 Tobias Geerinckx-Rice <address@hidden>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -70,3 +71,24 @@ probing.  This method is space-efficient -- there is no 
pointer overhead --
 and time-efficient for good hash functions.")
     (home-page "https://github.com/sparsehash/sparsehash";)
     (license license:bsd-3)))
+
+(define-public ssdeep
+  (package
+    (name "ssdeep")
+    (version "2.13")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "mirror://sourceforge/ssdeep/"
+                                  name "-" version "/"
+                                  name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "1igqy0j7jrklb8fdlrm6ald4cyl1fda5ipfl8crzyl6bax2ajk3f"))))
+    (build-system gnu-build-system)
+    (home-page "http://ssdeep.sourceforge.net";)
+    (synopsis "Context-triggered piecewise hashing algorithm")
+    (description "ssdeep computes and matches context triggered piecewise
+hashes (CTPH), also called fuzzy checksums.  It can identify similar files
+that have sequences of identical bytes in the same order, even though bytes
+in between these sequences may be different in both content and length.")
+    (license license:gpl2+)))