gnu: Add rust-gix-ref-0.30.

* gnu/packages/crates-io.scm (rust-gix-ref-0.30): New variable.

Change-Id: I1765227d938d1d68b991466ad9199d793acb8aa6

gnu/packages/crates-io.scm

@@ -29844,6 +29844,42 @@ libcurl, which is intended to be used with the @code{git2} crate.")
         ("rust-log" ,rust-log-0.4)
         ("rust-url" ,rust-url-2))))))
 
+(define-public rust-gix-ref-0.30
+  (package
+    (name "rust-gix-ref")
+    (version "0.30.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "gix-ref" version))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "073y77045km55bb53ack6hzjd70mkj3rk6d8xxg8mkplas99kpgb"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:tests? #f      ; use of undeclared crate or module `gix_testtools`
+       #:cargo-inputs
+       (("rust-document-features" ,rust-document-features-0.2)
+        ("rust-gix-actor" ,rust-gix-actor-0.21)
+        ("rust-gix-features" ,rust-gix-features-0.30)
+        ("rust-gix-fs" ,rust-gix-fs-0.2)
+        ("rust-gix-hash" ,rust-gix-hash-0.11)
+        ("rust-gix-lock" ,rust-gix-lock-6)
+        ("rust-gix-object" ,rust-gix-object-0.30)
+        ("rust-gix-path" ,rust-gix-path-0.8)
+        ("rust-gix-tempfile" ,rust-gix-tempfile-6)
+        ("rust-gix-validate" ,rust-gix-validate-0.7)
+        ("rust-memmap2" ,rust-memmap2-0.5)
+        ("rust-nom" ,rust-nom-7)
+        ("rust-serde" ,rust-serde-1)
+        ("rust-thiserror" ,rust-thiserror-1))
+       #:cargo-development-inputs
+       (("rust-tempfile" ,rust-tempfile-3))))
+    (home-page "https://github.com/Byron/gitoxide")
+    (synopsis "Handle git references")
+    (description "This package provides a crate to handle git references.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-gix-refspec-0.11
   (package
     (name "rust-gix-refspec")