gnu: Add rust-libgit2-sys@0.18.1+1.9.0.

* gnu/packages/crates-vcs.scm (rust-libgit2-sys-0.18): New variable.

Change-Id: I56b4c433c01d2e002ef869f4675eae05570bda5b

gnu/packages/crates-vcs.scm

@@ -10157,6 +10157,33 @@ It's part of Gitoxide, a pure Rust implementation of Git.")
                        ("rust-parking-lot" ,rust-parking-lot-0.12)
                        ("rust-thiserror" ,rust-thiserror-1))))))
 
+(define-public rust-libgit2-sys-0.18
+  (package
+    (name "rust-libgit2-sys")
+    (version "0.18.1+1.9.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "libgit2-sys" version))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "03i98nb84aa99bn7sxja11pllq6fghsaw4d3qwjxikgzhh7v5p71"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs (("rust-cc" ,rust-cc-1)
+                       ("rust-libc" ,rust-libc-0.2)
+                       ("rust-libssh2-sys" ,rust-libssh2-sys-0.3)
+                       ("rust-libz-sys" ,rust-libz-sys-1)
+                       ("rust-openssl-sys" ,rust-openssl-sys-0.9)
+                       ("rust-pkg-config" ,rust-pkg-config-0.3))))
+    (home-page "https://github.com/rust-lang/git2-rs")
+    (synopsis "Native bindings to the libgit2 library")
+    (description
+     "This package provides native Rust bindings to the @code{libgit2}
+library.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-libgit2-sys-0.17
   (package
     (name "rust-libgit2-sys")