gnu: Add drpm.

* gnu/packages/rpm.scm: Add file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Register it.

gnu/local.mk

@@ -493,6 +493,7 @@ GNU_SYSTEM_MODULES =				\
   %D%/packages/regex.scm				\
   %D%/packages/robotics.scm			\
   %D%/packages/rpc.scm				\
+  %D%/packages/rpm.scm				\
   %D%/packages/rrdtool.scm			\
   %D%/packages/rsync.scm			\
   %D%/packages/ruby.scm				\

gnu/packages/rpm.scm

@@ -0,0 +1,62 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2021 Maxim Cournoyer <maxim.cournoyer@gmail.com>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu packages rpm)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix download)
+  #:use-module (guix git-download)
+  #:use-module (guix packages)
+  #:use-module (guix build-system cmake)
+  #:use-module (gnu packages check)
+  #:use-module (gnu packages compression)
+  #:use-module (gnu packages package-management)
+  #:use-module (gnu packages pkg-config)
+  #:use-module (gnu packages popt)
+  #:use-module (gnu packages tls))
+
+(define-public drpm
+  (package
+    (name "drpm")
+    (version "0.5.0")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/rpm-software-management/drpm")
+                    (commit version)))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "0m269nl8s31yjyz7kknv4jl9mx12xjpx2ly6wf66zs5613m4rj1z"))))
+    (build-system cmake-build-system)
+    (native-inputs
+     `(("cmocka" ,cmocka)
+       ("pkg-config" ,pkg-config)))
+    (inputs
+     `(("bzip2" ,bzip2)
+       ("lzlib" ,lzlib)
+       ("openssl" ,openssl)
+       ("popt" ,popt)
+       ("rpm" ,rpm)
+       ("xz" ,xz)
+       ("zlib" ,zlib)
+       ("zstd" ,zstd "lib")))
+    (home-page "https://github.com/rpm-software-management/drpm")
+    (synopsis "Delta RPM library")
+    (description "This package provides a library for making, reading and
+applying deltarpms, compatible with the original deltarpm packages.")
+    (license license:lgpl2.1+)))