From 2d96280fa5fa342cdb505ecc51bd4a58496e917f Mon Sep 17 00:00:00 2001
From: Pierre Neidhardt <mail@ambrevar.xyz>
Date: Fri, 28 Feb 2020 15:02:34 +0100
Subject: DRAFT: Add protobuf-net.

---
 nongnu/packages/mono-xyz.scm | 90 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 nongnu/packages/mono-xyz.scm

diff --git a/nongnu/packages/mono-xyz.scm b/nongnu/packages/mono-xyz.scm
new file mode 100644
index 0000000..9b97b79
--- /dev/null
+++ b/nongnu/packages/mono-xyz.scm
@@ -0,0 +1,90 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2020 Pierre Neidhardt <mail@ambrevar.xyz>
+;;;
+;;; This file is not 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 (nongnu packages mono-xyz)
+  #:use-module (srfi srfi-1)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (nongnu packages mono)
+  #:use-module (gnu packages)
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module (guix git-download)
+  #:use-module (guix build-system gnu))
+
+(define* (nuget-fetch #:key name version url sha256)
+  (list (string-append name "-" version)
+        (origin
+          (method url-fetch)
+          (uri url)
+          (file-name (string-append name "-" version))
+          (sha256
+           (base32 sha256)))))
+
+(define protobuf-net-inputs
+  `(,(nuget-fetch
+      #:name "microsoft.build.traversal"
+      #:version "2.0.19"
+      #:url "https://www.nuget.org/api/v2/package/Microsoft.Build.Traversal/2.0.19"
+      #:sha256 "15nz923bqr2xw9g8nxsghdzyj31j7p9m5w9fww46bb7hxyvjqffx")))
+
+(define-public protobuf-net
+  (let ((commit "706684b8b56dc54f9a03b1d44a4f85a750911243"))
+    (package
+      (name "protobuf-net")
+      (version (git-version "2.4.5" "1" commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/protobuf-net/protobuf-net")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32
+           ;; "1i4d4h7yxiga9r7j8j2vmjz8zg2lz8w9caza6knykr5izq56z949"
+           "13mg798hgjcj7rbaa99y9wy6mg8s8r2dvmd86ydg7igkahw1nag7"))))
+      (build-system gnu-build-system)
+      (native-inputs
+       `(("nuget" ,nuget)))
+      (inputs
+       `(("msbuild" ,msbuild)
+         ,@protobuf-net-inputs))
+      (arguments
+       `(#:phases
+         (modify-phases %standard-phases
+           (delete 'configure)
+           (replace 'build
+             (lambda* (#:key inputs #:allow-other-keys)
+               (let ((msbuild (string-append (assoc-ref inputs "msbuild") "/bin/msbuild"))
+                     (nuget (string-append (assoc-ref inputs "nuget") "/bin/nuget")))
+                 ;; Set up nuget packages.
+                 (setenv "HOME" (string-append (getcwd) "/fake-home"))
+                 (for-each
+                  (lambda (mono-dep)
+                    (invoke nuget "add" (assoc-ref inputs mono-dep) "-Source" "guix"))
+                  ',(map car protobuf-net-inputs))
+                 (invoke nuget "sources" "Disable" "-Name" "nuget.org")
+                 (invoke nuget "sources" "Add" "-Name" "guix" "-Source" (string-append (getcwd) "/guix"))
+                 ;; Build
+                 (invoke msbuild "Build.csproj")))))))
+      (supported-systems '("x86_64-linux"))
+      (home-page "https://github.com/protobuf-net/protobuf-net")
+      (synopsis "")
+      (description "This package provides a generic driver for the .NET Core
+command line interface.")
+      (license (list license:bsd-2 license:asl2.0)))))
-- 
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