04/05: gnu: Add rust-1.64.

[guix-commits]

efraim pushed a commit to branch master
in repository guix.

commit b4762e1e87266dfe112fbb0fafea17da1737f995
Author: Efraim Flashner <efraim@flashner.co.il>
AuthorDate: Tue Nov 15 16:28:13 2022 +0200

    gnu: Add rust-1.64.
    
    * gnu/packages/rust.scm (rust-1.64): New variable.
---
 gnu/packages/rust.scm | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/gnu/packages/rust.scm b/gnu/packages/rust.scm
index ac3cbc1801..e162900acf 100644
--- a/gnu/packages/rust.scm
+++ b/gnu/packages/rust.scm
@@ -619,6 +619,24 @@ safety and thread safety guarantees.")
   (rust-bootstrapped-package
    rust-1.62 "1.63.0" "1l4rrbzhxv88pnfq94nbyb9m6lfnjwixma3mwjkmvvs2aqlq158z"))
 
+(define rust-1.64
+  (let ((base-rust
+         (rust-bootstrapped-package
+          rust-1.63 "1.64.0" 
"018j720b2n12slp4xk64jc6shkncd46d621qdyzh2a8s3r49zkdk")))
+    (package
+      (inherit base-rust)
+      (arguments
+       (substitute-keyword-arguments (package-arguments base-rust)
+         ((#:phases phases)
+          `(modify-phases ,phases
+             (replace 'patch-cargo-checksums
+               (lambda* _
+                 (substitute* '("Cargo.lock"
+                                "src/bootstrap/Cargo.lock")
+                   (("(checksum = )\".*\"" all name)
+                    (string-append name "\"" ,%cargo-reference-hash "\"")))
+                 (generate-all-checksums "vendor"))))))))))
+
 ;;; Note: Only the latest versions of Rust are supported and tested.  The
 ;;; intermediate rusts are built for bootstrapping purposes and should not
 ;;; be relied upon.  This is to ease maintenance and reduce the time