add linting for sh and cmake files.

Author: hariharan-devarajan

.cmake-format

@@ -0,0 +1,7 @@
+format:
+  tab_size: 2
+  line_width: 100
+  dangle_parens: true
+  max_pargs_hwrap: 3
+  separate_ctrl_name_with_space: false
+  separate_fn_name_with_space: false

.editorconfig

@@ -0,0 +1,17 @@
+root = true
+
+[CMakeLists.txt]
+indent_style = space
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.{sh,sh.in}]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true

.github/workflows/format-check.yml

@@ -13,12 +13,27 @@ jobs:
     steps:
     - uses: actions/checkout@v4
 
+    - name: Set up Go
+      uses: actions/setup-go@v5
+      with:
+        go-version: '1.21'
+
     - name: Install clang-format
       run: |
         sudo apt-get update
         sudo apt-get install -y --no-install-recommends \
             build-essential \
             clang-format-19
+        
+    - name: Install shfmt
+      run: |
+        go install mvdan.cc/sh/v3/cmd/shfmt@latest
+        echo "$HOME/go/bin" >> $GITHUB_PATH
+    
+    - name: Install cmake-format
+      run: |
+        sudo apt-get install -y python3-pip
+        sudo pip3 install cmake-format
 
     - name: Test formatting
       run: |

.shellcheckrc

@@ -0,0 +1,15 @@
+# .shellcheckrc for CMake templates
+# Allow @placeholder@ sourcing
+disable=SC1090,SC1091
+# Allow sed patterns with @ symbols
+disable=SC2001
+# Allow @VAR@ unquoted (will be replaced)
+disable=SC2086
+disable=SC2050
+disable=SC2155
+
+# Enforce style
+# Use [[ ]] consistently
+enable=require-double-brackets
+# Use ${var} consistently
+enable=require-variable-braces