ci: retreat to luals

idk how to make this error stop
though I did read: https://github.com/EmmyLuaLs/emmylua-analyzer-rust/issues/29

    error: undefined global variable: vim [undefined-global]
      --> lua/lspconfig/configs/taplo.lua:6:29

      5 |     root_dir = function(fname)
      6 |       return vim.fs.dirname(vim.fs.find('.git', { path = fname, upward = true })[1])
      7 |     end,

1 files changed, 15 insertions, 7 deletions

diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 080de5ad..479a9276 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -21,18 +21,26 @@ jobs:
             exit 1
           fi
 
-  emmylua:
+  luals:
     runs-on: ubuntu-latest
+    env:
+      LUALS_VERSION: 3.15.0
     steps:
       - uses: actions/checkout@v5
-      - name: Install emmylua
+      - uses: rhysd/action-setup-vim@v1
+        with:
+          neovim: true
+          version: nightly # Remove this to use stable.
+      - name: Install lua-language-server
         run: |
-          mkdir -p build/emmylua
-          curl -L -o emmylua.tar.gz https://github.com/EmmyLuaLs/emmylua-analyzer-rust/releases/download/0.17.0/emmylua_check-linux-x64.tar.gz
-          tar -xzf emmylua.tar.gz -C build/emmylua
-      - name: Run emmylua
+          mkdir -p build/luals
+          curl -L -o build/luals.tar.gz https://github.com/LuaLS/lua-language-server/releases/download/${LUALS_VERSION}/lua-language-server-${LUALS_VERSION}-linux-x64.tar.gz
+          tar -xzf build/luals.tar.gz -C build/luals
+      - name: Run luals
         run: |
-          ./build/emmylua/emmylua_check --config=.emmyrc.json .
+          export VIMRUNTIME="$(nvim --headless --cmd 'echo $VIMRUNTIME' +q 2>&1)"
+          ./build/luals/bin/lua-language-server --configpath=$(pwd)/.luarc.json --check=lsp/ --checklevel=Hint
+
 
   stylua:
     runs-on: ubuntu-latest