From a5ba982c3f70b78fde215dcfc60ec11ef9f3b827 Mon Sep 17 00:00:00 2001
From: John Soo <address@hidden>
Date: Thu, 19 Dec 2019 10:07:37 -0800
Subject: [PATCH 220/263] gnu: Add rust-error-chain-0.12.

* gnu/packages/crates-io.scm (rust-error-chain-0.12): New variable.
---
 gnu/packages/crates-io.scm | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index 47bbabf5fe..9bb02699e2 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -2628,6 +2628,34 @@ is configured via an environment variable.")
      "Exposes errno functionality to stable Rust on DragonFlyBSD.")
     (license license:expat)))
 
+(define-public rust-error-chain-0.12
+  (package
+    (name "rust-error-chain")
+    (version "0.12.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "error-chain" version))
+       (file-name
+        (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1ndpw1ny2kxqpw6k1shq8k56z4vfpk4xz9zr8ay988k0rffrxd1s"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-backtrace" ,rust-backtrace-0.3))
+       #:cargo-development-inputs
+       (("rust-version-check" ,rust-version-check-0.9))))
+    (home-page
+     "https://github.com/rust-lang-nursery/error-chain")
+    (synopsis
+     "Yet another error boilerplate library")
+    (description
+     "Yet another error boilerplate library.")
+    (license `(,license:asl2.0 ,license:expat))))
+
 (define-public rust-failure-0.1
   (package
     (name "rust-failure")
-- 
2.24.1