From eff01bc8e73e4913c4a9bbdf60b323bc92480eea Mon Sep 17 00:00:00 2001
From: HybridDog <3192173+HybridDog@users.noreply.github.com>
Date: Fri, 9 Jun 2023 19:48:46 +0200
Subject: [PATCH] Add code linting with luacheck (#221)

With luacheck mistakes in Lua code can be found, e.g. the use of undefined variables, and the code style can be checked.
workflow by @Panquesito7
---
 .github/workflows/check.yml | 15 +++++++++++++++
 .luacheckrc                 |  8 ++++++++
 2 files changed, 23 insertions(+)
 create mode 100644 .github/workflows/check.yml
 create mode 100644 .luacheckrc

diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
new file mode 100644
index 0000000..3df2d4d
--- /dev/null
+++ b/.github/workflows/check.yml
@@ -0,0 +1,15 @@
+on: [push, pull_request]
+name: Check
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: apt
+      run: sudo apt-get install -y luarocks
+    - name: luacheck install
+      run: luarocks install --local luacheck
+    - name: luacheck run
+      run: $HOME/.luarocks/bin/luacheck ./
diff --git a/.luacheckrc b/.luacheckrc
new file mode 100644
index 0000000..14e2168
--- /dev/null
+++ b/.luacheckrc
@@ -0,0 +1,8 @@
+read_globals = {"minetest", "vector", "VoxelArea", "ItemStack",
+	"table",
+	"unified_inventory", "sfinv", "smart_inventory", "inventory_plus"
+}
+globals = {"worldedit"}
+-- Ignore these errors until someone decides to fix them
+ignore = {"113", "211", "212", "213", "311", "312", "411", "412", "421", "422",
+	"431", "432", "611", "614", "621", "631"}