29/37: gnu: Add rust-fsevent-sys-2.

[guix-commits]

efraim pushed a commit to branch master
in repository guix.

commit 16e151a69ac714a0ca407966d42ec4b015ec3cd5
Author: Valentin Ignatev <address@hidden>
AuthorDate: Sun Jan 19 02:20:55 2020 +0300

    gnu: Add rust-fsevent-sys-2.
    
    * gnu/packages/crates-io.scm (rust-fsevent-sys-2): New variable.
    
    Signed-off-by: Efraim Flashner <address@hidden>
---
 gnu/packages/crates-io.scm | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index 4056bda..f64aa74 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -4408,6 +4408,29 @@ process and much more.")
      "This package provides cross-platform file locks and file duplication.")
     (license (list license:expat license:asl2.0))))
 
+(define-public rust-fsevent-sys-2
+  (package
+    (name "rust-fsevent-sys")
+    (version "2.0.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "fsevent-sys" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "18246vxk7rqn52m0sfrhivxq802i34p2wqqx5zsa0pamjj5086zl"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t     ; only available on macOS
+       #:cargo-inputs (("rust-libc" ,rust-libc-0.2))))
+    (home-page 
"https://github.com/octplane/fsevent-rust/tree/master/fsevent-sys";)
+    (synopsis "Rust bindings to the fsevent macOS API")
+    (description "This package provides Rust bindings to the @code{fsevent}
+macOS API for file changes notifications")
+    (license license:expat)))
+
 (define-public rust-fuchsia-cprng-0.1
   (package
     (name "rust-fuchsia-cprng")