ci: add commit and code linting

.github/workflows/ct-commitlint.yml

@@ -0,0 +1,21 @@
+name: Conventional Tools Commitlint
+
+on:
+  push: { branches: ["0.x"] }
+  pull_request: { branches: ["0.x"] }
+
+jobs:
+  commits:
+    name: Commitlint
+    runs-on: ubuntu-latest
+    container: practically/conventional-tools:1.x@sha256:647d6e4b3edfcbac6054b90f74d2c61a022152751b94484d54e13695a9e27377
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with: { fetch-depth: 1000 }
+
+      - name: Git safe.directory
+        run: git config --global --add safe.directory $PWD
+
+      - name: Lint commits
+        run: conventional-tools commitlint -l1

.github/workflows/lint.yml

@@ -0,0 +1,36 @@
+name: Lint
+
+on:
+  push: { branches: ["0.x"] }
+  pull_request: { branches: ["0.x"] }
+
+jobs:
+  luacheck:
+    name: Luacheck
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install luarocks
+        run: sudo apt update && sudo apt install -y luarocks
+
+      - name: Install luacheck
+        run: sudo luarocks install luacheck
+
+      - name: Run luacheck
+        run: luacheck .
+
+  stylua:
+    name: StyLua
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Run stylua
+        uses: JohnnyMorganz/stylua-action@v3.0.0
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          version: latest
+          args: --check .

.luacheckrc

@@ -7,4 +7,4 @@ codes = true
 self = false
 
 -- Global objects defined by the C code
-read_globals = { "vim" }
+read_globals = { "vim", "describe", "it", "assert" }

lua/sapling_scm/client.lua

@@ -10,7 +10,7 @@ local client = {}
 --
 ---@return HeadInfo
 client.head_info = function()
-  local head_info = vim.fn.system([[sl log -r '.' -T"{dict(remotenames,node,peerurls)|json}"]])
+  local head_info = vim.fn.system [[sl log -r '.' -T"{dict(remotenames,node,peerurls)|json}"]]
   return vim.json.decode(head_info)
 end