gnu: Add rust-git-testament-derive-0.1.

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

gnu/packages/crates-io.scm

@@ -25818,6 +25818,33 @@ debugging format.")
         ("rust-test-assembler" ,rust-test-assembler-0.1)
         ("rust-typed-arena" ,rust-typed-arena-2))))))
 
+(define-public rust-git-testament-derive-0.1
+  (package
+    (name "rust-git-testament-derive")
+    (version "0.1.14")
+    (source (origin
+              (method url-fetch)
+              (uri (crate-uri "git-testament-derive" version))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "1rlais0i47mgsmp3r5jcqry2agjfyg5s9paj6mgvfykchssjsy2a"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-log" ,rust-log-0.4)
+        ("rust-proc-macro2" ,rust-proc-macro2-1)
+        ("rust-quote" ,rust-quote-1)
+        ("rust-syn" ,rust-syn-1)
+        ("rust-time" ,rust-time-0.3))
+       #:cargo-development-inputs
+       (("rust-git-testament" ,rust-git-testament-0.2))))
+    (home-page "https://github.com/kinnison/git-testament/")
+    (synopsis "Record git working tree status when compiling your crate")
+    (description
+     "This package provides an inner procedural macro for git-testament.")
+    (license license:bsd-3)))
+
 (define-public rust-git-version-0.3
   (package
     (name "rust-git-version")