;;; 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)
  #:use-module (srfi srfi-1)
  #:use-module ((guix licenses) #:prefix license:)
  #:use-module (gnu packages base)
  #:use-module (gnu packages cmake)
  #:use-module (gnu packages compression)
  #:use-module (gnu packages curl)
  #:use-module (gnu packages gcc)
  #:use-module (gnu packages gettext)
  #:use-module (gnu packages glib)
  #:use-module (gnu packages icu4c)
  #:use-module (gnu packages kerberos)
  #:use-module (gnu packages libunwind)
  #:use-module (gnu packages linux)
  #:use-module (gnu packages mono)
  #:use-module (gnu packages perl)
  #:use-module (gnu packages python)
  #:use-module (gnu packages tls)
  #:use-module (gnu packages xml)
  #:use-module (gnu packages xorg)
  #:use-module (gnu packages)
  #:use-module (guix packages)
  #:use-module (guix download)
  #:use-module (guix git-download)
  #:use-module (guix build-system gnu)
  #:use-module (guix build-system copy)
  #:use-module (nonguix build-system binary))

(define-public mono-5
  (package
    (name "mono")
    (version "5.20.1.27")
    (source (origin
              (method url-fetch)
              (uri (string-append
                    "https://download.mono-project.com/sources/mono/"
                    name "-" version ".tar.bz2"))
              (sha256
               (base32
                "15rpwxw642ad1na93k5nj7d2lb24f21kncr924gxr00178a9x0jy"))
              (patches
               (parameterize
                   ((%patch-path
                     (map (lambda (directory)
                            (string-append directory "/nongnu/packages/patches"))
                          %load-path)))
                 (search-patches "mono-pkgconfig-before-gac.patch"
                                 "mono-mdoc-timestamping.patch")))))
    (build-system gnu-build-system)
    (native-inputs
     `(("gettext" ,gettext-minimal)
       ("glib" ,glib)
       ("libxslt" ,libxslt)
       ("perl" ,perl)
       ("python" ,python-2)
       ("cmake" ,cmake)
       ("which" ,which)
       ("libgdiplus" ,libgdiplus)
       ("libx11" ,libx11)))
    (arguments
     `(#:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'make-reproducible
           (lambda _
             (substitute* "mono/mini/Makefile.in"
               (("build_date = [^;]*;")
                "build_date = (void*) 0;"))
             #t))
         ;; TODO: Update Mono certs.  We need a certificate bundle, which nss-certs does not have.
         ;; (add-after 'install 'update-mono-key-store
         ;;   (lambda* (#:key outputs inputs #:allow-other-keys)
         ;;     (let* ((out (assoc-ref outputs "out"))
         ;;            (ca (assoc-ref inputs "nss-certs"))
         ;;            (cert-sync (string-append out "/bin/cert-sync"))))
         ;;     (invoke cert-sync (string-append ca "/etc/ssl/certs/ca-bundle.crt")
         (add-after 'install 'install-gmcs
           (lambda* (#:key outputs #:allow-other-keys)
             (let* ((out (assoc-ref outputs "out")))
               (symlink (string-append out "/bin/mcs")
                        (string-append out "/bin/gmcs")))
             #t))
         (add-after 'unpack 'set-env
           (lambda _ ;;* (#:key inputs #:allow-other-keys)
             ;; all tests under mcs/class fail trying to access $HOME
             (setenv "HOME" "/tmp")
             ;; ZIP files have "DOS time" which starts in Jan 1980.
             (setenv "SOURCE_DATE_EPOCH" "315532800")
             #t)))
       #:configure-flags (list
                          (string-append "--x-includes="
                                         (assoc-ref %build-inputs "libx11")
                                         "/include")
                          (string-append "--x-libraries="
                                         (assoc-ref %build-inputs "libx11")
                                         "/lib")
                          (string-append "--with-libgdiplus="
                                         (assoc-ref %build-inputs "libgdiplus")
                                         "/lib/libgdiplus.so"))
       ;; TODO: Most tests pass but something fails.  See bug#39695 and
       ;; https://github.com/mono/mono/issues/18979.
       #:tests? #f))
    (synopsis "Compiler and libraries for the C# programming language")
    (description "Mono is a compiler, vm, debugger and set of libraries for
C#, a C-style programming language from Microsoft that is very similar to
Java.")
    (home-page "https://www.mono-project.com/")
    ;; TODO: Still x11?
    (license license:x11)))

;; TODO: This can probably be upstreamed since only the check phase doesn't
;; pass (even if most of the tests succeed).
(define-public mono-6
  (package
    (name "mono")
    (version "6.8.0.105")
    (source (origin
              (method url-fetch)
              (uri (string-append
                    "https://download.mono-project.com/sources/mono/"
                    name "-" version ".tar.xz"))
              (sha256
               (base32
                "0y11c7w6r96laqckfxnk1ya42hx2c1nfqvdgbpmsk1iw9k29k1sp"))
              (patches
               (parameterize
                   ((%patch-path
                     (map (lambda (directory)
                            (string-append directory "/nongnu/packages/patches"))
                          %load-path)))
                 (search-patches "mono-pkgconfig-before-gac.patch"
                                 "mono-mdoc-timestamping.patch")))))
    (build-system gnu-build-system)
    (native-inputs
     `(("gettext" ,gettext-minimal)
       ("glib" ,glib)
       ("libxslt" ,libxslt)
       ("perl" ,perl)
       ("python" ,python-2)
       ("cmake" ,cmake)
       ("which" ,which)
       ("libgdiplus" ,libgdiplus)
       ("libx11" ,libx11)))
    (arguments
     `(#:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'make-reproducible
           (lambda _
             (substitute* "mono/mini/Makefile.in"
               (("build_date = [^;]*;")
                "build_date = (void*) 0;"))
             #t))
         ;; TODO: Update Mono certs.  We need a certificate bundle, which nss-certs does not have.
         ;; (add-after 'install 'update-mono-key-store
         ;;   (lambda* (#:key outputs inputs #:allow-other-keys)
         ;;     (let* ((out (assoc-ref outputs "out"))
         ;;            (ca (assoc-ref inputs "nss-certs"))
         ;;            (cert-sync (string-append out "/bin/cert-sync"))))
         ;;     (invoke cert-sync (string-append ca "/etc/ssl/certs/ca-bundle.crt")
         (add-after 'install 'install-gmcs
           (lambda* (#:key outputs #:allow-other-keys)
             (let* ((out (assoc-ref outputs "out")))
               (symlink (string-append out "/bin/mcs")
                        (string-append out "/bin/gmcs")))
             #t))
         (add-after 'unpack 'set-env
           (lambda _ ;;* (#:key inputs #:allow-other-keys)
             ;; all tests under mcs/class fail trying to access $HOME
             (setenv "HOME" "/tmp")
             ;; ZIP files have "DOS time" which starts in Jan 1980.
             (setenv "SOURCE_DATE_EPOCH" "315532800")
             #t)))
       #:configure-flags (list
                          (string-append "--x-includes="
                                         (assoc-ref %build-inputs "libx11")
                                         "/include")
                          (string-append "--x-libraries="
                                         (assoc-ref %build-inputs "libx11")
                                         "/lib")
                          (string-append "--with-libgdiplus="
                                         (assoc-ref %build-inputs "libgdiplus")
                                         "/lib/libgdiplus.so"))
       ;; TODO: Most tests pass but something fails.  See bug#39695 and
       ;; https://github.com/mono/mono/issues/18979.
       #:tests? #f))
    (synopsis "Compiler and libraries for the C# programming language")
    (description "Mono is a compiler, vm, debugger and set of libraries for
C#, a C-style programming language from Microsoft that is very similar to
Java.")
    (home-page "https://www.mono-project.com/")
    ;; TODO: Still x11?
    (license license:x11)))

;; TODO: Needs to build from source in order to upstream to Guix.
;; Nix does not do it.
;; See https://www.archlinux.org/packages/community/x86_64/dotnet-sdk/.
(define-public dotnet-sdk
  (package
    (name "dotnet-sdk")
    (version "3.1.101")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "https://dotnetcli.azureedge.net/dotnet/Sdk/"
             version
             "/dotnet-sdk-" version "-linux-x64.tar.gz"))
       (file-name (git-file-name name version))
       (sha256
        (base32
         "079156dzsi1337didvv5dk1qp0ypjrrm8yw7darz8rr2928hh1m1"))))
    (build-system binary-build-system)
    (inputs
     `(("curl" ,curl)
       ("gcc" ,gcc "lib")
       ("icu" ,icu4c)
       ("krb5" ,mit-krb5)
       ("libunwind" ,libunwind)
       ("lttng-ust" ,lttng-ust)
       ("openssl" ,openssl)
       ("zlib" ,zlib)))
    (arguments
     `(#:patchelf-plan
       `(("dotnet"
          ("gcc"))
         ("sdk/3.1.101/AppHostTemplate/apphost"
          ("gcc"))
         ("packs/Microsoft.NETCore.App.Host.linux-x64/3.1.1/runtimes/linux-x64/native/apphost"
          ("gcc"))
         ,@(map (lambda (lib)
                  (list lib '("$ORIGIN"
                              "curl" "gcc" "icu" "krb5" "lttng-ust" "openssl" "zlib")))
                '("shared/Microsoft.NETCore.App/3.1.1/System.Net.Http.Native.so"
                  "shared/Microsoft.NETCore.App/3.1.1/libclrjit.so"
                  "shared/Microsoft.NETCore.App/3.1.1/System.Globalization.Native.so"
                  "shared/Microsoft.NETCore.App/3.1.1/libcoreclrtraceptprovider.so"
                  "shared/Microsoft.NETCore.App/3.1.1/System.Security.Cryptography.Native.OpenSsl.so"
                  "shared/Microsoft.NETCore.App/3.1.1/System.Net.Security.Native.so"
                  "shared/Microsoft.NETCore.App/3.1.1/libmscordaccore.so"
                  "shared/Microsoft.NETCore.App/3.1.1/System.IO.Compression.Native.so"
                  "shared/Microsoft.NETCore.App/3.1.1/libcoreclr.so"
                  "shared/Microsoft.NETCore.App/3.1.1/libmscordbi.so"
                  "shared/Microsoft.NETCore.App/3.1.1/System.Native.so"
                  "shared/Microsoft.NETCore.App/3.1.1/libdbgshim.so"
                  "shared/Microsoft.NETCore.App/3.1.1/libhostpolicy.so"
                  "packs/Microsoft.NETCore.App.Host.linux-x64/3.1.1/runtimes/linux-x64/native/libnethost.so"
                  "host/fxr/3.1.1/libhostfxr.so")))
       #:validate-runpath? #f           ; TODO: Fails because of the symlink?
       #:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'cd-root
           (lambda _
             (chdir "..")
             #t))
         (add-after 'install 'symlink
           (lambda* (#:key outputs #:allow-other-keys)
             (let ((out (assoc-ref outputs "out")))
               (mkdir-p (string-append out "/bin"))
               (symlink (string-append out "/dotnet")
                        (string-append out "/bin/dotnet"))
               #t))))))
    (supported-systems '("x86_64-linux"))
    (home-page "https://www.microsoft.com/net/core")
    (synopsis "Generic driver for the .NET Core command line interface")
    (description "This package provides a generic driver for the .NET Core
command line interface.")
    (license license:expat)))

;; TODO: Make a mono-binary-build-system.  See Nix' build-dotnet-package/default.nix.
(define-public nuget
  (let ((commit "7871fa26914593fdb2f2500df1196df7b8aecb1c")
        (basename "Nuget"))
    (package
      (name "nuget")
      (version "4.9.1.5694")
      (source
       (origin
         (method git-fetch)
         (uri (git-reference
               (url "https://github.com/mono/nuget-binary/")
               (commit commit)))
         (file-name (git-file-name name version))
         (sha256
          (base32
           "07r63xam6icm17pf6amh1qkmna13nxa3ncdan7a3ql307i5isriz"))))
      (build-system copy-build-system)
      (inputs
       `(("mono" ,mono-6)))
      (arguments
       `(#:strip-binaries? #f
         #:install-plan
         '(("." ,(string-append "lib/dotnet/" basename "/")))
         #:phases
         (modify-phases %standard-phases
           (add-after 'install 'make-wrapper
             (lambda* (#:key inputs outputs #:allow-other-keys)
               (let* ((out (assoc-ref outputs "out"))
                      (wrapper (string-append out "/bin/nuget"))
                      (real (string-append out "/lib/dotnet/" ,basename "/nuget.exe"))
                      (mono (string-append (assoc-ref inputs "mono") "/bin/mono")))
                 (mkdir-p (dirname wrapper))
                 (with-output-to-file wrapper
                   (lambda ()
                     (format #t "#!~a~%~a ~a \"$@\""
                             (which "bash")
                             mono real)))
                 (chmod wrapper #o755)
                 #t))))))
      (supported-systems '("x86_64-linux"))
      (home-page "")
      (synopsis "")
      (description "")
      ;; TODO: License?
      (license license:expat))))

;; TODO: Make fetcher.
(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 msbuild-inputs
  `(
    ,(nuget-fetch
      #:name "microsoft.build"
      #:version "14.3.0"
      #:url "https://www.nuget.org/api/v2/package/microsoft.build/14.3.0"
      #:sha256 "1zamn3p8xxi0wsjlpln0y71ncb977f3fp08mvaz4wmbmi76nr0rz")
    ,(nuget-fetch
      #:name "system.io"
      #:version "4.1.0"
      #:url "https://www.nuget.org/api/v2/package/system.io/4.1.0"
      #:sha256 "1g0yb8p11vfd0kbkyzlfsbsp5z44lwsvyc0h3dpw6vqnbi035ajp")
    ,(nuget-fetch
      #:name "system.io"
      #:version "4.3.0"
      #:url "https://www.nuget.org/api/v2/package/system.io/4.3.0"
      #:sha256 "05l9qdrzhm4s5dixmx68kxwif4l99ll5gqmh7rqgw554fx0agv5f")
    ,(nuget-fetch
      #:name "system.xml.xpath"
      #:version "4.3.0"
      #:url "https://www.nuget.org/api/v2/package/system.xml.xpath/4.3.0"
      #:sha256 "1cv2m0p70774a0sd1zxc8fm8jk3i5zk2bla3riqvi8gsm0r4kpci")
    ,(nuget-fetch
      #:name "microsoft.net.compilers.toolset"
      #:version "3.3.0-beta2-19367-02"
      #:url "https://dotnetfeed.blob.core.windows.net/dotnet-core/flatcontainer/microsoft.net.compilers.toolset/3.3.0-beta2-19367-02/microsoft.net.compilers.toolset.3.3.0-beta2-19367-02.nupkg"
      #:sha256 "1v9lz2fmfprhql0klqa8iipiiz3wcflvlgr3a86pcjjk7x0y84sl")
    ,(nuget-fetch
      #:name "system.io.filesystem"
      #:version "4.0.1"
      #:url "https://www.nuget.org/api/v2/package/system.io.filesystem/4.0.1"
      #:sha256 "0kgfpw6w4djqra3w5crrg8xivbanh1w9dh3qapb28q060wb9flp1")
    ,(nuget-fetch
      #:name "system.io.filesystem"
      #:version "4.3.0"
      #:url "https://www.nuget.org/api/v2/package/system.io.filesystem/4.3.0"
      #:sha256 "0z2dfrbra9i6y16mm9v1v6k47f0fm617vlb7s5iybjjsz6g1ilmw")
    ,(nuget-fetch
      #:name "largeaddressaware"
      #:version "1.0.3"
      #:url "https://www.nuget.org/api/v2/package/largeaddressaware/1.0.3"
      #:sha256 "1ppss9bgj0hf5s8307bnm2a4qm10mrymp0v12m28a5q81zjz0fr5")
    ,(nuget-fetch
      #:name "nuget.protocol"
      #:version "5.2.0-rtm.6067"
      #:url "https://dotnet.myget.org/F/nuget-build/api/v2/package/nuget.protocol/5.2.0-rtm.6067"
      #:sha256 "0fm3qgcdsy6dy6fih0n9a4w39mzdha4cz51gr9pp9g4nag34za2a")
    ,(nuget-fetch
      #:name "runtime.native.system.security.cryptography.openssl"
      #:version "4.3.0"
      #:url "https://www.nuget.org/api/v2/package/runtime.native.system.security.cryptography.openssl/4.3.0"
      #:sha256 "18pzfdlwsg2nb1jjjjzyb5qlgy6xjxzmhnfaijq5s2jw3cm3ab97")
    ,(nuget-fetch
      #:name "runtime.ubuntu.14.04-x64.runtime.native.system.security.cryptography.openssl"
      #:version "4.3.0"
      #:url "https://www.nuget.org/api/v2/package/runtime.ubuntu.14.04-x64.runtime.native.system.security.cryptography.openssl/4.3.0"
      #:sha256 "160p68l2c7cqmyqjwxydcvgw7lvl1cr0znkw8fp24d1by9mqc8p3")
    ,(nuget-fetch
      #:name "system.buffers"
      #:version "4.3.0"
      #:url "https://www.nuget.org/api/v2/package/system.buffers/4.3.0"
      #:sha256 "0fgns20ispwrfqll4q1zc1waqcmylb3zc50ys9x8zlwxh9pmd9jy")
    ,(nuget-fetch
      #:name "system.buffers"
      #:version "4.4.0"
      #:url "https://www.nuget.org/api/v2/package/system.buffers/4.4.0"
      #:sha256 "183f8063w8zqn99pv0ni0nnwh7fgx46qzxamwnans55hhs2l0g19")
    ,(nuget-fetch
      #:name "xunit.core"
      #:version "2.4.1"
      #:url "https://www.nuget.org/api/v2/package/xunit.core/2.4.1"
      #:sha256 "1nnb3j4kzmycaw1g76ii4rfqkvg6l8gqh18falwp8g28h802019a")
    ,(nuget-fetch
      #:name "system.io.filesystem.primitives"
      #:version "4.3.0"
      #:url "https://www.nuget.org/api/v2/package/system.io.filesystem.primitives/4.3.0"
      #:sha256 "0j6ndgglcf4brg2lz4wzsh1av1gh8xrzdsn9f0yznskhqn1xzj9c")
    ,(nuget-fetch
      #:name "system.io.filesystem.primitives"
      #:version "4.0.1"
      #:url "https://www.nuget.org/api/v2/package/system.io.filesystem.primitives/4.0.1"
      #:sha256 "1s0mniajj3lvbyf7vfb5shp4ink5yibsx945k6lvxa96r8la1612")
    ,(nuget-fetch
      #:name "system.xml.xmldocument"
      #:version "4.0.1"
      #:url "https://www.nuget.org/api/v2/package/system.xml.xmldocument/4.0.1"
      #:sha256 "0ihsnkvyc76r4dcky7v3ansnbyqjzkbyyia0ir5zvqirzan0bnl1")
    ,(nuget-fetch
      #:name "system.xml.xmldocument"
      #:version "4.3.0"
      #:url "https://www.nuget.org/api/v2/package/system.xml.xmldocument/4.3.0"
      #:sha256 "0bmz1l06dihx52jxjr22dyv5mxv6pj4852lx68grjm7bivhrbfwi")
    ,(nuget-fetch
      #:name "microsoft.build.framework"
      #:version "15.5.180"
      #:url "https://www.nuget.org/api/v2/package/microsoft.build.framework/15.5.180"
      #:sha256 "064y3a711ikx9pm9d2wyms4i3k4f9hfvn3vymhwygg7yv7gcj92z")
    ,(nuget-fetch
      #:name "microsoft.build.framework"
      #:version "14.3.0"
      #:url "https://www.nuget.org/api/v2/package/microsoft.build.framework/14.3.0"
      #:sha256 "0r7y1i7dbr3pb53fdrh268hyi627w85nzv2iblwyg8dzkfxraafd")
    ,(nuget-fetch
      #:name "system.globalization"
      #:version "4.3.0"
      #:url "https://www.nuget.org/api/v2/package/system.globalization/4.3.0"
      #:sha256 "1cp68vv683n6ic2zqh2s1fn4c2sd87g5hpp6l4d4nj4536jz98ki")
    ,(nuget-fetch
      #:name "system.globalization"
      #:version "4.0.11"
      #:url "https://www.nuget.org/api/v2/package/system.globalization/4.0.11"
      #:sha256 "070c5jbas2v7smm660zaf1gh0489xanjqymkvafcs4f8cdrs1d5d")
    ,(nuget-fetch
      #:name "microsoft.dotnet.signtool"
      #:version "1.0.0-beta.19372.10"
      #:url "https://dotnetfeed.blob.core.windows.net/dotnet-core/flatcontainer/microsoft.dotnet.signtool/1.0.0-beta.19372.10/microsoft.dotnet.signtool.1.0.0-beta.19372.10.nupkg"
      #:sha256 "1f2im2lilw10zslfclxh49knr542jy7q09p009flxsgn68riy0j6")
    ,(nuget-fetch
      #:name "system.runtime.handles"
      #:version "4.3.0"
      #:url "https://www.nuget.org/api/v2/package/system.runtime.handles/4.3.0"
      #:sha256 "0sw2gfj2xr7sw9qjn0j3l9yw07x73lcs97p8xfc9w1x9h5g5m7i8")
    ,(nuget-fetch
      #:name "system.runtime.handles"
      #:version "4.0.1"
      #:url "https://www.nuget.org/api/v2/package/system.runtime.handles/4.0.1"
      #:sha256 "1g0zrdi5508v49pfm3iii2hn6nm00bgvfpjq1zxknfjrxxa20r4g")
    ,(nuget-fetch
      #:name "microsoft.codeanalysis.common"
      #:version "3.0.0-beta1-61516-01"
      #:url "https://dotnet.myget.org/F/roslyn/api/v2/package/microsoft.codeanalysis.common/3.0.0-beta1-61516-01"
      #:sha256 "1qfm61yrsmihhir7n3hb5ccn1r50i39rv1g74880ma7ihjl1hz54")
    ,(nuget-fetch
      #:name "microsoft.netcore.platforms"
      #:version "1.0.1"
      #:url "https://www.nuget.org/api/v2/package/microsoft.netcore.platforms/1.0.1"
      #:sha256 "01al6cfxp68dscl15z7rxfw9zvhm64dncsw09a1vmdkacsa2v6lr")
    ,(nuget-fetch
      #:name "microsoft.netcore.platforms"
      #:version "1.1.0"
      #:url "https://www.nuget.org/api/v2/package/microsoft.netcore.platforms/1.1.0"
      #:sha256 "08vh1r12g6ykjygq5d3vq09zylgb84l63k49jc4v8faw9g93iqqm")
    ,(nuget-fetch
      #:name "system.reflection.primitives"
      #:version "4.3.0"
      #:url "https://www.nuget.org/api/v2/package/system.reflection.primitives/4.3.0"
      #:sha256 "04xqa33bld78yv5r93a8n76shvc8wwcdgr1qvvjh959g3rc31276")
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    ,(nuget-fetch
      #:name "system.runtime.interopservices.runtimeinformation"
      #:version "4.3.0"
      #:url "https://www.nuget.org/api/v2/package/system.runtime.interopservices.runtimeinformation/4.3.0"
      #:sha256 "0q18r1sh4vn7bvqgd6dmqlw5v28flbpj349mkdish2vjyvmnb2ii")
    ,(nuget-fetch
      #:name "system.io.filesystem.driveinfo"
      #:version "4.3.0"
      #:url "https://www.nuget.org/api/v2/package/system.io.filesystem.driveinfo/4.3.0"
      #:sha256 "0j67khc75lwdf7d5i3z41cks7zhac4zdccgvk2xmq6wm1l08xnlh")
    ,(nuget-fetch
      #:name "system.threading.tasks.extensions"
      #:version "4.3.0"
      #:url "https://www.nuget.org/api/v2/package/system.threading.tasks.extensions/4.3.0"
      #:sha256 "1xxcx2xh8jin360yjwm4x4cf5y3a2bwpn2ygkfkwkicz7zk50s2z")
    ,(nuget-fetch
      #:name "system.threading.tasks.extensions"
      #:version "4.0.0"
      #:url "https://www.nuget.org/api/v2/package/system.threading.tasks.extensions/4.0.0"
      #:sha256 "1cb51z062mvc2i8blpzmpn9d9mm4y307xrwi65di8ri18cz5r1zr")
    ,(nuget-fetch
      #:name "microsoft.netcore.targets"
      #:version "1.0.1"
      #:url "https://www.nuget.org/api/v2/package/microsoft.netcore.targets/1.0.1"
      #:sha256 "0ppdkwy6s9p7x9jix3v4402wb171cdiibq7js7i13nxpdky7074p")
    ,(nuget-fetch
      #:name "microsoft.netcore.targets"
      #:version "1.1.0"
      #:url "https://www.nuget.org/api/v2/package/microsoft.netcore.targets/1.1.0"
      #:sha256 "193xwf33fbm0ni3idxzbr5fdq3i2dlfgihsac9jj7whj0gd902nh")
    ,(nuget-fetch
      #:name "system.reflection.extensions"
      #:version "4.0.1"
      #:url "https://www.nuget.org/api/v2/package/system.reflection.extensions/4.0.1"
      #:sha256 "0m7wqwq0zqq9gbpiqvgk3sr92cbrw7cp3xn53xvw7zj6rz6fdirn")
    ,(nuget-fetch
      #:name "system.reflection.extensions"
      #:version "4.3.0"
      #:url "https://www.nuget.org/api/v2/package/system.reflection.extensions/4.3.0"
      #:sha256 "02bly8bdc98gs22lqsfx9xicblszr2yan7v2mmw3g7hy6miq5hwq")
    ,(nuget-fetch
      #:name "system.diagnostics.process"
      #:version "4.1.0"
      #:url "https://www.nuget.org/api/v2/package/system.diagnostics.process/4.1.0"
      #:sha256 "061lrcs7xribrmq7kab908lww6kn2xn1w3rdc41q189y0jibl19s")
    ,(nuget-fetch
      #:name "system.diagnostics.process"
      #:version "4.3.0"
      #:url "https://www.nuget.org/api/v2/package/system.diagnostics.process/4.3.0"
      #:sha256 "0g4prsbkygq8m21naqmcp70f24a1ksyix3dihb1r1f71lpi3cfj7")
    ,(nuget-fetch
      #:name "system.security.cryptography.primitives"
      #:version "4.3.0"
      #:url "https://www.nuget.org/api/v2/package/system.security.cryptography.primitives/4.3.0"
      #:sha256 "0pyzncsv48zwly3lw4f2dayqswcfvdwq2nz0dgwmi7fj3pn64wby")
    ,(nuget-fetch
      #:name "system.threading.thread"
      #:version "4.0.0"
      #:url "https://www.nuget.org/api/v2/package/system.threading.thread/4.0.0"
      #:sha256 "1gxxm5fl36pjjpnx1k688dcw8m9l7nmf802nxis6swdaw8k54jzc")
    ,(nuget-fetch
      #:name "system.threading.thread"
      #:version "4.3.0"
      #:url "https://www.nuget.org/api/v2/package/system.threading.thread/4.3.0"
      #:sha256 "0y2xiwdfcph7znm2ysxanrhbqqss6a3shi1z3c779pj2s523mjx4")
    ,(nuget-fetch
      #:name "newtonsoft.json"
      #:version "9.0.1"
      #:url "https://www.nuget.org/api/v2/package/newtonsoft.json/9.0.1"
      #:sha256 "0mcy0i7pnfpqm4pcaiyzzji4g0c8i3a5gjz28rrr28110np8304r")
    ,(nuget-fetch
      #:name "runtime.rhel.7-x64.runtime.native.system.security.cryptography.openssl"
      #:version "4.3.0"
      #:url "https://www.nuget.org/api/v2/package/runtime.rhel.7-x64.runtime.native.system.security.cryptography.openssl/4.3.0"
      #:sha256 "0vhynn79ih7hw7cwjazn87rm9z9fj0rvxgzlab36jybgcpcgphsn")
    ,(nuget-fetch
      #:name "xunit"
      #:version "2.4.1"
      #:url "https://www.nuget.org/api/v2/package/xunit/2.4.1"
      #:sha256 "0xf3kaywpg15flqaqfgywqyychzk15kz0kz34j21rcv78q9ywq20")
    ,(nuget-fetch
      #:name "system.valuetuple"
      #:version "4.3.0"
      #:url "https://www.nuget.org/api/v2/package/system.valuetuple/4.3.0"
      #:sha256 "1227k7fxbxapq7dms4lvwwjdf3pr1jcsmhy2nzzhj6g6hs530hxn")
    ,(nuget-fetch
      #:name "microsoft.netframework.referenceassemblies.net472"
      #:version "1.0.0-alpha-004"
      #:url "https://dotnet.myget.org/F/roslyn-tools/api/v2/package/microsoft.netframework.referenceassemblies.net472/1.0.0-alpha-004"
      #:sha256 "08wa54dm7yskayzxivnwbm8sg1pf6ai8ccr64ixf9lyz3yw6y0nc")
    ,(nuget-fetch
      #:name "system.security.cryptography.algorithms"
      #:version "4.3.0"
      #:url "https://www.nuget.org/api/v2/package/system.security.cryptography.algorithms/4.3.0"
      #:sha256 "03sq183pfl5kp7gkvq77myv7kbpdnq3y0xj7vi4q1kaw54sny0ml")))

;; TODO: Apply Arch Linux patches?
;; https://git.archlinux.org/svntogit/community.git/tree/trunk/mono-msbuild-no-hostfxr.patch?h=packages/mono-msbuild
;; https://git.archlinux.org/svntogit/community.git/tree/trunk/mono-msbuild-dotnetbits-case.patch?h=packages/mono-msbuild
;; TODO: Like Arch Linux, install with stage1 script?
;; TODO: Building OpenRA returns:
;; /tmp/guix-build-openra-20200202.drv-0/source/OpenRA.Game/OpenRA.Game.csproj : warning MSB4242: The SDK resolver "Microsoft.DotNet.MSBuildSdkResolver" failed to run. hostfxr assembly:<unknown assembly> type:<unknown type> member:(null)
;; /gnu/store/0dy10phgvfvs31qxk3a2i7ll31gpn29n-msbuild-16.3/lib/mono/msbuild/Current/bin/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.ILLink.targets(14,3): warning MSB4242: The SDK resolver "Microsoft.DotNet.MSBuildSdkResolver" failed to run. hostfxr assembly:<unknown assembly> type:<unknown type> member:(null)
  ;; You are using a preview version of .NET Core. See: https://aka.ms/dotnet-core-preview
;; /gnu/store/0dy10phgvfvs31qxk3a2i7ll31gpn29n-msbuild-16.3/lib/mono/msbuild/Current/bin/Sdks/Microsoft.NET.Sdk/targets/Microsoft.PackageDependencyResolution.targets(234,5): error NETSDK1004: Assets file '/tmp/guix-build-openra-20200202.drv-0/source/OpenRA.Game/obj/project.assets.json' not found. Run a NuGet package restore to generate this file. [/tmp/guix-build-openra-20200202.drv-0/source/OpenRA.Game/OpenRA.Game.csproj]
(define-public msbuild
  (let ((date "2019.07.26.14.57"))
    (package
      (name "msbuild")
      (version "16.3")
      (source
       (origin
         (method url-fetch)
         (uri (string-append
               "https://download.mono-project.com/sources/msbuild/msbuild-"
               version "+xamarinxplat." date ".tar.xz")) ;
         ;; (file-name (git-file-name name version))
         (sha256
          (base32
           "1zcdfx4xsh62wj3g1jc2an0lppsfs691lz4dv05xbgi01aq1hk6a"))))
      (build-system gnu-build-system)
      (inputs
       `(("mono" ,mono-6)))
      (native-inputs
       `(("which" ,which)               ; TODO: Not needed?
         ("dotnet-sdk" ,dotnet-sdk)
         ("nuget" ,nuget)
         ("unzip" ,unzip)
         ("xplat" ,(origin
                     (method url-fetch)
                     ;; TODO: Update?  Better: build from source.
                     (uri (string-append "https://github.com/mono/msbuild/releases/download/0.07/mono_msbuild_xplat-master-8f608e49.zip"))
                     (sha256
                      (base32
                       "1jxq3fk9a6q2a8i9zacxaz3fkvc22i9qvzlpa7wbb95h42g0ffhq"))))
         ,@msbuild-inputs))
      (arguments
       `(#:modules ((srfi srfi-1)
                    ,@%gnu-build-system-modules)
         #:tests? #f                    ; No tests.
         #:phases
         (modify-phases %standard-phases
           (delete 'configure)
           (replace 'build
             (lambda* (#:key inputs #:allow-other-keys)
               (let* ((unzip (string-append (assoc-ref inputs "unzip") "/bin/unzip"))
                      (xplat (assoc-ref inputs "xplat"))
                      (nuget (string-append (assoc-ref inputs "nuget") "/bin/nuget"))
                      (dotnet-sdk (assoc-ref inputs "dotnet-sdk"))
                      (libhostfxr (string-append dotnet-sdk "/host/fxr/3.1.1/libhostfxr.so")))
                 ;; 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 msbuild-inputs))
                 (invoke nuget "sources" "Disable" "-Name" "nuget.org")
                 (invoke nuget "sources" "Add" "-Name" "guix" "-Source" (string-append (getcwd) "/guix"))
                 ;; license check is case sensitive
                 (rename-file "LICENSE" "license")
                 ;; Extract bootstrap.
                 (mkdir-p "artifacts")
                 (invoke unzip xplat "-d" "artifacts")
                 (rename-file ;; (string-append "artifacts/msbuild-" ,bootstrap-version)
                  "artifacts/msbuild" "artifacts/mono-msbuild")
                 (chmod "artifacts/mono-msbuild/MSBuild.dll" 493)
                 (symlink libhostfxr
                          (string-append
                           "artifacts/mono-msbuild/SdkResolvers/Microsoft.DotNet.MSBuildSdkResolver/"
                           (basename libhostfxr)))
                 ;; Prevent installer from running.
                 (with-output-to-file "eng/common/dotnet-install.sh"
                   (lambda _
                     (format #t "#!~a~%" (which "bash"))))
                 ;; msbuild response files to use only our source
                 (with-output-to-file "artifacts/mono-msbuild/MSBuild.rsp"
                   (lambda _
                     (display "/p:RestoreSources=guix\n")))
                 (with-output-to-file "src/MSBuild/MSBuild.rsp"
                   (lambda _
                     (display "/p:RestoreSources=guix\n")))

                 (substitute* "./eng/cibuild_bootstrapped_msbuild.sh"
                   (("\t/bin/bash") (string-append "\t" (which "bash"))))
                 (invoke "./eng/cibuild_bootstrapped_msbuild.sh"
                         "--host_type" "mono"
                         "--configuration" "Release"
                         ;; TODO there are some (many?) failing tests
                         "--skip_tests" "/p:DisableNerdbankVersioning=true"))))
           (replace 'install
             (lambda* (#:key outputs inputs #:allow-other-keys)
               (let* ((mono (assoc-ref inputs "mono"))
                      (mono-bin (string-append mono "/bin/mono"))
                      (roslyn-path "/lib/mono/msbuild/Current/bin/Roslyn")
                      (roslyn (string-append mono roslyn-path))
                      (out (assoc-ref outputs "out")))
                 (invoke mono-bin "artifacts/mono-msbuild/MSBuild.dll"
                         "mono/build/install.proj"
                         (string-append "/p:MonoInstallPrefix=" out)
                         "/p:Configuration=Release-MONO")
                 (symlink roslyn (string-append out roslyn-path)))))
           (add-after 'install 'make-wrapper
             (lambda* (#:key inputs outputs #:allow-other-keys)
               (let* ((out (assoc-ref outputs "out"))
                      (wrapper (string-append out "/bin/msbuild"))
                      (real (string-append out "/lib/mono/msbuild/15.0/bin/MSBuild.dll"))
                      (mono (string-append (assoc-ref inputs "mono") "/bin/mono")))
                 ;; TODO: See Nix wrapper.
                 (mkdir-p (dirname wrapper))
                 (with-output-to-file wrapper
                   (lambda ()
                     (format #t "#!~a~%export ~a=~a~%~a ~a \"$@\""
                             (which "bash")
                             "MSBuildExtensionsPath" (string-append out "/lib/mono/xbuild")
                             mono real)))
                 (chmod wrapper #o755)
                 #t))))))
      (supported-systems '("x86_64-linux"))
      (home-page "https://github.com/mono/msbuild")
      (synopsis "Implementation of the Microsoft build system for Mono")
      (description "This is the Mono version of Microsoft Build Engine, the
build platform for .NET, and Visual Studio.")
      (license license:expat))))