Add the project to Luarocks

Author: bytexenon

.github/workflows/publish-luarocks.yaml

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+name: LuaRocks Release
+on:
+  release:
+    types: [created]
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+    - name: Set up Lua
+      uses: leafo/gh-actions-lua@v8
+      with:
+        luaVersion: "5.4.0"
+    - name: Delete old rockspec files
+      run: |
+        git rm MathParser-*.rockspec || true
+    - name: Generate rockspec
+      run: |
+        lua generate_rockspec.lua ${GITHUB_REF#refs/tags/}
+    - name: Upload to LuaRocks
+      run: |
+        luarocks upload --api-key ${{ secrets.LUAROCKS_API_KEY }} MathParser-${GITHUB_REF#refs/tags/}.rockspec
+    - name: Add rockspec to repository
+      run: |
+        git config --local user.email "action@github.com"
+        git config --local user.name "GitHub Action"
+        git add MathParser-${GITHUB_REF#refs/tags/}.rockspec
+        git commit -m "Add rockspec for version ${GITHUB_REF#refs/tags/}"
+        git push

build/generate_rockspec.lua

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+local args = {...}
+local version = args[1]
+
+local rockspec = [[
+package = "MathParser"
+version = "]]..version..[["
+source = {
+  url = "https://github.com/ByteXenon/MathParser.lua/archive/v]]..version..[[.tar.gz"
+}
+description = {
+  summary = "A math parser for Lua.",
+  detailed = "An elegant Math Parser written in Lua, featuring support for adding custom operators and functions.",
+  homepage = "https://github.com/ByteXenon/MathParser.lua",
+  license = "MIT"
+}
+dependencies = {
+  "lua >= 5.1"
+}
+build = {
+  type = "builtin",
+  modules = {
+    ["MathParser"] = "MathParser.min.lua"
+  }
+}
+]]
+
+local file = io.open("MathParser-"..version..".rockspec", "w")
+file:write(rockspec)
+file:close()