ci: remove external actions dependencies for forgejo

.github/workflows/luacheck.yaml

@@ -10,12 +10,23 @@ on:
 
 jobs:
   luacheck:
-    runs-on: ubuntu-latest
+    runs-on: self-hosted
     steps:
-      - uses: actions/checkout@v4
-      - uses: leafo/gh-actions-lua@v10
-        with:
-          luaVersion: "5.1"
-      - uses: leafo/gh-actions-luarocks@v4
-      - run: luarocks install luacheck
-      - run: luacheck .
+      - name: Checkout
+        run: git clone --depth=1 $GITHUB_SERVER_URL/$GITHUB_REPOSITORY.git .
+      - name: Install Luacheck
+        run: |
+          if ! command -v luacheck &> /dev/null; then
+            if command -v luarocks &> /dev/null; then
+              luarocks install luacheck
+            else
+              curl -L -o luacheck.tar.gz "https://github.com/lunarmodules/luacheck/archive/refs/tags/v1.1.2.tar.gz"
+              tar -xzf luacheck.tar.gz
+              cd luacheck-*
+              make install
+              cd ..
+              rm -rf luacheck-*
+            fi
+          fi
+      - name: Run Luacheck
+        run: luacheck .

.github/workflows/stylua.yaml

@@ -12,9 +12,14 @@ jobs:
   stylua:
     runs-on: self-hosted
     steps:
-      - uses: actions/checkout@v4
-      - uses: JohnnyMorganz/stylua-action@v4
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-          version: latest
-          args: --check .
+      - name: Checkout
+        run: git clone --depth=1 $GITHUB_SERVER_URL/$GITHUB_REPOSITORY.git .
+      - name: Install StyLua
+        run: |
+          if ! command -v stylua &> /dev/null; then
+            curl -L -o stylua.zip "https://github.com/JohnnyMorganz/StyLua/releases/latest/download/stylua-$(uname -s)-$(uname -m).zip"
+            unzip stylua.zip -d /usr/local/bin
+            rm stylua.zip
+          fi
+      - name: Check Formatting
+        run: stylua --check .