gnu: Add rust-idna-0.1.

* gnu/packages/crates-io.scm (rust-idna-0.1): New variable.

Signed-off-by: Efraim Flashner <efraim@flashner.co.il>

gnu/packages/crates-io.scm

@@ -3377,6 +3377,35 @@ SystemTime}}.")
     (properties '((hidden? . #t)))
     (license license:expat)))
 
+(define-public rust-idna-0.1
+  (package
+    (name "rust-idna")
+    (version "0.1.5")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "idna" version))
+       (file-name
+        (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0kl4gs5kaydn4v07c6ka33spm9qdh2np0x7iw7g5zd8z1c7rxw1q"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-matches" ,rust-matches-0.1)
+        ("rust-unicode-bidi" ,rust-unicode-bidi-0.3)
+        ("rust-unicode-normalization" ,rust-unicode-normalization-0.1))
+       #:cargo-development-inputs
+       (("rust-rustc-serialize" ,rust-rustc-serialize-0.3)
+        ("rust-rustc-test" ,rust-rustc-test-0.3))))
+    (home-page "https://github.com/servo/rust-url/")
+    (synopsis "Internationalizing Domain Names in Applications and Punycode")
+    (description
+     "IDNA (Internationalizing Domain Names in Applications) and Punycode.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-indexmap-1.0
   (package
     (name "rust-indexmap")