15/26: gnu: Add rust-scratch-1.

[guix-commits]

efraim pushed a commit to branch master
in repository guix.

commit f1d86bf00d864105becd866431708c92b264b804
Author: Efraim Flashner <efraim@flashner.co.il>
AuthorDate: Sun Jan 3 12:14:06 2021 +0200

    gnu: Add rust-scratch-1.
    
    * gnu/packages/crates-io.scm (rust-scratch-1): New variable.
---
 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 5e6b437..ca452c2 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -26494,6 +26494,29 @@ with one of the implemented strategies.")
          (base32
           "09sy9wbqp409pkwmqni40qmwa99ldqpl48pp95m1xw8sc19qy9cl"))))))
 
+(define-public rust-scratch-1
+  (package
+    (name "rust-scratch")
+    (version "1.0.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "scratch" version))
+        (file-name
+         (string-append name "-" version ".tar.gz"))
+        (sha256
+         (base32
+          "0sff4rvfalp0ip98pl3xa32n7lhzcr4zqn8fgamaalbb64v4a4by"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-development-inputs
+       (("rust-fs2" ,rust-fs2-0.4))))
+    (home-page "https://github.com/dtolnay/scratch";)
+    (synopsis "Compile-time temporary directory")
+    (description "This crate exposes a compile-time temporary directory 
sharable
+by multiple crates in a build graph and erased by @code{cargo clean}.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-scrypt-0.3
   (package
     (name "rust-scrypt")