add butler package

packages/snam-butler.scm

@@ -0,0 +1,36 @@
+(define-module (packages gamedev)
+  #:use-module (nonguix build-system binary)
+  #:use-module (gnu packages base)
+  #:use-module (guix download)
+  #:use-module (guix git-download)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix packages)
+  #:use-module (guix gexp))
+
+(define-public snam-butler
+  (package
+   (name "butler")
+   (version "15.21.0")
+   (source (origin
+            (method url-fetch/zipbomb)
+            (uri (string-append
+                  "https://broth.itch.ovh/butler/linux-amd64/" version "/archive/default"))
+            (sha256
+             (base32
+              "071frbwjclb0g9gkfh2lxcbkk4c57jhppr8f3dhcgbswvvmgqh5n"))))
+   (build-system binary-build-system)
+   (arguments
+    (list #:install-plan #~'(("butler" "bin/"))
+          #:patchelf-plan #~'(("butler"))
+          #:phases #~(modify-phases %standard-phases
+                                    (add-after 'unpack 'chmod
+                                               (lambda _
+                                                 (chmod "butler" #o755))))))
+   (inputs (list glibc))
+   (supported-systems '("x86_64-linux"))
+   (home-page "https://github.com/itchio/butler")
+   (synopsis  "Itch.io command line tools")
+   (description "A command line interface to Itch.io which enables automated game project uploads.")
+   (license license:expat)))
+
+snam-butler