gnu: Add rust-battery-0.7.

* gnu/packages/crates-io.scm (rust-battery-0.7): New variable.

Signed-off-by: Nicolas Goaziou <mail@nicolasgoaziou.fr>

gnu/packages/crates-io.scm

@@ -4206,6 +4206,42 @@ c6e7d37.  However, this package works only up to 128 bytes.")
     (description "This library provides for encoding and decoding any base.")
     (license license:expat)))
 
+(define-public rust-battery-0.7
+  (package
+    (name "rust-battery")
+    (version "0.7.8")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "battery" version))
+       (file-name
+        (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "1r1641dyks76p39i1iihswhc6iz5z51pihmpxniy1h1pi4k29dml"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:tests? #f ;; Tests fail with "No such file or directory".
+       #:cargo-inputs
+       (("rust-cfg-if" ,rust-cfg-if-1)
+        ("rust-core-foundation"
+         ,rust-core-foundation-0.7)
+        ("rust-lazycell" ,rust-lazycell-1)
+        ("rust-libc" ,rust-libc-0.2)
+        ("rust-mach" ,rust-mach-0.3)
+        ("rust-nix" ,rust-nix-0.19)
+        ("rust-num-traits" ,rust-num-traits-0.2)
+        ("rust-uom" ,rust-uom-0.30)
+        ("rust-winapi" ,rust-winapi-0.3))
+       #:cargo-development-inputs
+       (("rust-approx" ,rust-approx-0.3)
+        ("rust-tempfile" ,rust-tempfile-3))))
+    (home-page "https://github.com/svartalf/rust-battery")
+    (synopsis "Information about the notebook batteries")
+    (description
+     "@code{battery} provides a unified API to a notebook batteries state.")
+    ;; Dual licensed, either license applies.
+    (license (list license:asl2.0 license:expat))))
+
 (define-public rust-beef-0.5
   (package
     (name "rust-beef")