Add LuaRocks publishing workflow

.github/workflows/publish.yml

@@ -0,0 +1,53 @@
+name: Publish
+
+on:
+  push:
+    tags: v[0-9]+.[0-9]+.[0-9]+.[0-9]+*
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    env:
+      package_name: lls-addon-luafilesystem
+      spec_version: "" # this gets set in the Get Rockspec Version step
+
+    steps:
+      - name: Get Rockspec Version
+        run: |
+          if [[ "${{ github.ref_name }}" =~ ^v(.+)$ ]]; then
+            echo "spec_version=${BASH_REMATCH[1]}-1" >> $GITHUB_ENV
+          else
+            echo "rockspec version could not be matched" >&2
+            exit 1
+          fi
+
+      - uses: actions/checkout@v4
+
+      - name: Set up Lua
+        uses: leafo/gh-actions-lua@v11
+        with:
+          luaVersion: "5.4.8"
+
+      - name: Set up LuaRocks
+        uses: leafo/gh-actions-luarocks@v5
+        with:
+          luaRocksVersion: "3.12.2"
+
+      - name: Write LuaRocks Rockspec
+        run: |
+          luarocks new_version \
+            --tag ${{ github.ref_name }} \
+            ${{ env.package_name }}-release-1.rockspec
+
+      - name: Publish to LuaRocks
+        run: |
+          luarocks upload \
+            "./${{ env.package_name }}-${{ env.spec_version }}.rockspec" \
+            --api-key=${{ secrets.LUAROCKS_API_KEY }}
+
+      - name: Create GitHub Release
+        uses: softprops/action-gh-release@v2
+        with:
+          files: "${{ env.package_name }}-${{ env.spec_version }}.src.rock"

lls-addon-luafilesystem-release-1.rockspec

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+rockspec_format = "3.0"
+package = "lls-addon-luafilesystem"
+version = "release-1"
+
+source = {
+    url = "git+https://github.com/LuaCATS/luafilesystem",
+}
+
+description = {
+    summary = "LuaLS type definitions for LuaFileSystem library",
+    license = "MIT",
+    homepage = "https://github.com/LuaCATS/luafilesystem",
+}
+
+build = {
+    type = "lls-addon",
+    settings = {
+        diagnostics = {
+            globals = { "lfs" },
+        }
+    }
+}