From 8227f2f859c2c49694f149235d73e4286cfe9f31 Mon Sep 17 00:00:00 2001
From: Hartmut Goebel <h.goebel@crazy-compilers.com>
Date: Mon, 4 May 2020 17:11:19 +0200
Subject: gnu: Add rust-nettle-7.

* gnu/packages/crates-io.scm (rust-nettle-7): New variable.
* gnu/packages/patches/rust-nettle-disable-vendor.patch: New file.
* gnu/local.mk: Add it.
---
 gnu/local.mk                                       |  1 +
 gnu/packages/crates-io.scm                         | 44 ++++++++++++++++++++++
 .../patches/rust-nettle-disable-vendor.patch       | 13 +++++++
 3 files changed, 58 insertions(+)
 create mode 100644 gnu/packages/patches/rust-nettle-disable-vendor.patch

diff --git a/gnu/local.mk b/gnu/local.mk
index 84dab66235..d5cbb983fb 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -1431,6 +1431,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/rust-1.25-accept-more-detailed-gdb-lines.patch \
   %D%/packages/patches/rust-bootstrap-stage0-test.patch		\
   %D%/packages/patches/rust-coresimd-doctest.patch		\
+  %D%/packages/patches/rust-nettle-disable-vendor.patch		 \
   %D%/packages/patches/rust-nettle-sys-disable-vendor.patch	 \
   %D%/packages/patches/rust-reproducible-builds.patch		 \
   %D%/packages/patches/rust-openssl-sys-no-vendor.patch	\
diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index cc047bd03d..c13b142cc8 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -36,6 +36,7 @@
   #:use-module (gnu packages gtk)
   #:use-module (gnu packages jemalloc)
   #:use-module (gnu packages llvm)
+  #:use-module (gnu packages multiprecision)
   #:use-module (gnu packages nettle)
   #:use-module (gnu packages pcre)
   #:use-module (gnu packages pkg-config)
@@ -12162,6 +12163,49 @@ types as proposed in RFC 1158.")
     (license (list license:asl2.0
                    license:expat))))
 
+(define-public rust-nettle-7
+  (package
+    (name "rust-nettle")
+    (version "7.0.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "nettle" version))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "1n6dwy9zba8853bmxzhwaashd3np0wxpx0pj43brm0hb8n2sxbxi"))
+       (patches (search-patches "rust-nettle-disable-vendor.patch"))))
+    (build-system cargo-build-system)
+    (native-inputs
+     `(("pkg-config" ,pkg-config)))
+    (inputs
+     `(("clang" ,clang)
+       ("gmp" ,gmp)
+       ("nettle" ,nettle)))
+    (arguments
+     `(#:skip-build? #t ;; provides nothing, has no tests
+       #:cargo-inputs
+       (("rust-getrandom" ,rust-getrandom-0.1)
+        ("rust-libc" ,rust-libc-0.2)
+        ("rust-nettle-sys" ,rust-nettle-sys-2)
+        ("rust-thiserror" ,rust-thiserror-1.0))
+       #:cargo-development-inputs
+       (("rust-bindgen" ,rust-bindgen-0.51)
+        ("rust-pkg-config" ,rust-pkg-config-0.3))
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'set-missing-env-vars
+           (lambda* (#:key inputs #:allow-other-keys)
+             ;; FIXME: why do we need to set this?
+             (setenv "LIBCLANG_PATH"
+                     (string-append (assoc-ref inputs "clang") "/lib"))
+             #t)))))
+    (home-page "https://gitlab.com/sequoia-pgp/nettle-rs")
+  (synopsis "Rust bindings for the Nettle cryptographic library")
+  (description "This package provides Rust bindings for the Nettle
+cryptographic library.")
+  (license (list license:lgpl3 license:gpl2 license:gpl3))))
+
 (define-public rust-nettle-sys-2
   (package
     (name "rust-nettle-sys")
diff --git a/gnu/packages/patches/rust-nettle-disable-vendor.patch b/gnu/packages/patches/rust-nettle-disable-vendor.patch
new file mode 100644
index 0000000000..5b52821cdb
--- /dev/null
+++ b/gnu/packages/patches/rust-nettle-disable-vendor.patch
@@ -0,0 +1,13 @@
+Subject: nettle: clear out "vendored" feature cruft from build.rs
+From: Daniel Kahn Gillmor's avatarDaniel Kahn Gillmor <dkg@fifthhorseman.net>
+
+https://salsa.debian.org/rust-team/debcargo-conf/-/commit/b608e6beaa1d38c14fc16ad53780d94954a91900
+https://sources.debian.org/src/rust-nettle/7.0.0-1/debian/patches/disable-vendor.diff/
+--- a/Cargo.toml	1969-12-31 19:00:00.000000000 -0500
++++ b/Cargo.toml	2019-10-23 19:12:01.076181971 -0400
+@@ -35,4 +35,4 @@
+ version = "1"
+ 
+ [features]
+-vendored = ["nettle-sys/vendored"]
++vendored = []
-- 
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