From f4a949cf86a9290fae595fd5e4825324b992a35d Mon Sep 17 00:00:00 2001
From: nomike <nomike@nomike.com>
Date: Sun, 6 Jul 2025 02:51:38 +0300
Subject: [PATCH] gnu: manifold: Update to 3.1.1.

* gnu/packages/engineering.scm (manifold): Update to 3.1.1.

Change-Id: Ic502f8d2acbc21592709e232bc03cd930a890414
Signed-off-by: Maxim Cournoyer <maxim@guixotic.coop>
---
 gnu/packages/engineering.scm | 47 +++++++++++++++++-------------------
 1 file changed, 22 insertions(+), 25 deletions(-)

diff --git a/gnu/packages/engineering.scm b/gnu/packages/engineering.scm
index 52e4c0cbf0e..22f46a63905 100644
--- a/gnu/packages/engineering.scm
+++ b/gnu/packages/engineering.scm
@@ -3013,35 +3013,32 @@ specification can be downloaded at @url{http://3mf.io/specification/}.")
     (license license:bsd-2)))
 
 (define-public manifold
-  (let ((commit "7c8fbe186aa1ac5eb73f12c28bdef093ee4d11c9")
-        (version "3.0.1")
-        (revision "0"))
-    (package
-      (name "manifold")
-      (version (git-version version revision commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/elalish/manifold")
-               (commit commit)))
-         (file-name (git-file-name name version))
-         (sha256
-          (base32 "09s4r4hlarl5lzbbihfd1fpfd3987lma5m26wkkvi7zssdbis9zc"))))
-      (build-system cmake-build-system)
-      (inputs (list tbb clipper2 assimp python-nanobind googletest))
-      (arguments
-       ;; can be removed once emscripten is packaged
-       `(#:configure-flags '("-DMANIFOLD_JSBIND=OFF")))
-      (synopsis "Geometry library for topological robustness")
-      (description
-       "Manifold is a geometry library dedicated to creating and operating on
+  (package
+    (name "manifold")
+    (version "3.1.1")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/elalish/manifold")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32 "1vipfy68crvik3760jjmsqnyci6rabb26iiw22p2qpb3cj6r683l"))))
+    (build-system cmake-build-system)
+    (inputs (list tbb clipper2 assimp python-nanobind googletest))
+    (arguments
+     ;; can be removed once emscripten is packaged
+     `(#:configure-flags '("-DMANIFOLD_JSBIND=OFF")))
+    (synopsis "Geometry library for topological robustness")
+    (description
+     "Manifold is a geometry library dedicated to creating and operating on
 manifold triangle meshes.  A manifold mesh is a mesh that represents a solid
 object, and so is very important in manufacturing, CAD, structural analysis,
 etc..  Manifold also supports arbitrary vertex properties and enables mapping
 of materials for rendering use-cases.")
-      (home-page "https://github.com/elalish/manifold")
-      (license license:asl2.0))))
+    (home-page "https://github.com/elalish/manifold")
+    (license license:asl2.0)))
 
 (define-public python-keithley2600
   (package