add nim (#3559)

* add nim

* install which on fedora

---------

Co-authored-by: c8ef <c8ef@outlook.com>

.github/workflows/fedora.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Installation
         run: |
           uname -a
-          dnf -y install gfortran p7zip
+          dnf -y install gfortran p7zip which
           dnf -y install mesa-libGL-devel mesa-libGLU-devel
           dnf -y install @development-tools @rpm-development-tools
           dnf -y install copr-cli make gcc-c++ libatomic libcxx-devel

packages/n/nim/xmake.lua

@@ -0,0 +1,40 @@
+package("nim")
+    set_kind("toolchain")
+    set_homepage("https://nim-lang.org/")
+    set_description("Nim is a statically typed compiled systems programming language")
+
+    local precompiled = false
+    if is_host("windows") then
+        if os.arch() == "x86" then
+            add_urls("https://nim-lang.org/download/nim-$(version)_x32.zip")
+            add_versions("2.0.2", "d076d35fdab29baf83c66f1135a1fd607eb61d4c14037706f7be3ba58fb83d87")
+            precompiled = true
+        elseif os.arch() == "x64" then
+            add_urls("https://nim-lang.org/download/nim-$(version)_x64.zip")
+            add_versions("2.0.2", "948dbf8e3fdd1b5242e3d662fd25c50e9b2586e097be8a85c22d7db2bde70bad")
+            precompiled = true
+        end
+    end
+    if not precompiled then
+        add_urls("https://github.com/nim-lang/Nim/archive/refs/tags/v$(version).tar.gz")
+        add_versions("2.0.2", "2ca2f559d05e29f130cb4f319ebb93a98e7c0e2187716b17b2cb4e747f5ff798")
+    end
+
+    on_install("@windows", "@msys", function (package)
+        os.cp("*", package:installdir())
+    end)
+
+    on_install("@windows|arm64", function (package)
+        os.vrunv("./build_all.bat", {}, {shell = true})
+        os.cp("bin", package:installdir())
+    end)
+
+    on_install("@macosx", "@linux", function (package)
+        os.vrunv("./build_all.sh", {}, {shell = true})
+        os.cp("bin", package:installdir())
+    end)
+
+    on_test(function (package)
+        os.vrun("nim --version")
+        os.vrun("nimble --version")
+    end)