gnu: librsync: Update to 2.0.2.

* gnu/packages/rsync.scm (librsync): Update to 2.0.2.
[source]: Update source URL.
[build-system]: Use cmake-build-system.
[inputs]: Add popt.
[arguments]: Remove field.
(librsync-0.9): New variable.
* gnu/packages/backup.scm (btar, duplicity, rdiff-backup)[inputs]: Use
librsync-0.9.

gnu/packages/backup.scm

@@ -95,7 +95,7 @@
      `(("lockfile" ,python2-lockfile)
        ("urllib3" ,python2-urllib3)))
     (inputs
-     `(("librsync" ,librsync)
+     `(("librsync" ,librsync-0.9)
        ("lftp" ,lftp)
        ("gnupg" ,gnupg)                 ; gpg executable needed
        ("util-linux" ,util-linux)       ; for setsid
@@ -362,7 +362,7 @@ list and implement the backup strategy.")
          "0miklk4bqblpyzh1bni4x6lqn88fa8fjn15x1k1n8bxkx60nlymd"))))
     (build-system gnu-build-system)
     (inputs
-     `(("librsync" ,librsync)))
+     `(("librsync" ,librsync-0.9)))
     (arguments
      `(#:make-flags `(,(string-append "PREFIX=" (assoc-ref %outputs "out"))
                       "CC=gcc")
@@ -395,7 +395,7 @@ errors.")
     (build-system python-build-system)
     (inputs
      `(("python" ,python-2)
-       ("librsync" ,librsync)))
+       ("librsync" ,librsync-0.9)))
     (arguments
      `(#:python ,python-2
        #:tests? #f))

gnu/packages/rsync.scm

@@ -3,6 +3,7 @@
 ;;; Copyright © 2016 Mark H Weaver <mhw@netris.org>
 ;;; Copyright © 2017 Efraim Flashner <efraim@flashner.co.il>
 ;;; Copyright © 2018 Tobias Geerinckx-Rice <me@tobias.gr>
+;;; Copyright © 2019 Leo Famulari <leo@famulari.name>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -21,12 +22,15 @@
 
 (define-module (gnu packages rsync)
   #:use-module (gnu packages)
-  #:use-module (gnu packages perl)
   #:use-module (gnu packages acl)
   #:use-module (gnu packages base)
-  #:use-module (guix licenses)
+  #:use-module (gnu packages compression)
+  #:use-module (gnu packages perl)
+  #:use-module (gnu packages popt)
+  #:use-module ((guix licenses) #:prefix license:)
   #:use-module (guix packages)
   #:use-module (guix download)
+  #:use-module (guix build-system cmake)
   #:use-module (guix build-system gnu))
 
 
@@ -51,12 +55,39 @@ to/from another host over any remote shell, or to/from a remote rsync daemon.
 Its delta-transfer algorithm reduces the amount of data sent over the network
 by sending only the differences between the source files and the existing
 files in the destination.")
-   (license gpl3+)
+   (license license:gpl3+)
    (home-page "http://rsync.samba.org/")))
 
 (define-public librsync
   (package
     (name "librsync")
+    (version "2.0.2")
+       (source (origin
+            (method url-fetch)
+            (uri (string-append "https://github.com/librsync/librsync/archive/v"
+                                version ".tar.gz"))
+            (sha256
+             (base32
+              "1waa581pcscc1rnvy06cj584k5dx0dc7jj79wsdj7xw4xqh9ayz6"))))
+   (build-system cmake-build-system)
+   (inputs
+    `(("popt" ,popt)))
+   (native-inputs
+    `(("which" ,which)
+      ("perl" ,perl)))
+   (home-page "http://librsync.sourceforge.net/")
+   (synopsis "Implementation of the rsync remote-delta algorithm")
+   (description
+    "Librsync is a free software library that implements the rsync
+remote-delta algorithm.  This algorithm allows efficient remote updates of a
+file, without requiring the old and new versions to both be present at the
+sending end.  The library uses a \"streaming\" design similar to that of zlib
+with the aim of allowing it to be embedded into many different applications.")
+   (license license:lgpl2.1+)))
+
+(define-public librsync-0.9
+  (package
+    (inherit librsync)
     (version "0.9.7")
         (source (origin
              (method url-fetch)
@@ -66,16 +97,5 @@ files in the destination.")
               (base32
               "1mj1pj99mgf1a59q9f2mxjli2fzxpnf55233pc1klxk2arhf8cv6"))))
     (build-system gnu-build-system)
-   (native-inputs
-    `(("which" ,which)
-      ("perl" ,perl)))
     (arguments '(#:configure-flags '("--enable-shared")))
-   (home-page "http://librsync.sourceforge.net/")
+    (inputs '())))
-   (synopsis "Implementation of the rsync remote-delta algorithm")
-   (description
-    "Librsync is a free software library that implements the rsync
-remote-delta algorithm.  This algorithm allows efficient remote updates of a
-file, without requiring the old and new versions to both be present at the
-sending end.  The library uses a \"streaming\" design similar to that of zlib
-with the aim of allowing it to be embedded into many different applications.")
-   (license lgpl2.1+)))