feat(precommit-hooks): add check for correct copyright header (#3302)

* chore(copyright): update copyright header for left files

* feat(copyright): add copyright check to precommit hooks

* chore(copyright): update copyright header for include/ck_tile directory

* chore(copyright): update copyright header for example directory

* chore(copyright): update copyright header for .github directory

* refactor: copyright_check script with better if else handling

* chore(copyright): update compyright header for remaining files

* feat: add script to automate copyright addition

script/check_copyright_year.sh

@@ -2,18 +2,70 @@
 # Copyright (c) Advanced Micro Devices, Inc., or its affiliates.
 # SPDX-License-Identifier: MIT
 
+# This script checks if files have the correct copyright header template.
+# It supports .hpp, .cpp, .inc, .py, .sh, and .cmake files.
+#
+# Usage: ./check_copyright_year.sh <file1> <file2> ...
 
-current_year=$(date +%Y)
 exit_code=0
 
-for file in $@; do
-    if grep -q "Copyright (c)" $file
-    then
-        if ! grep -q "Copyright (c).*$current_year" $file
-        then
-            echo "ERROR: File $file has a copyright notice without the current year ($current_year)."
-            exit_code=1
-        fi
+# Expected copyright header lines (without comment characters)
+COPYRIGHT_LINE="Copyright (c) Advanced Micro Devices, Inc., or its affiliates."
+SPDX_LINE="SPDX-License-Identifier: MIT"
+
+check_file() {
+    local file=$1
+    local basename="${file##*/}"
+    local ext="${file##*.}"
+    local comment_char
+
+    # Determine comment character based on filename or extension
+    if [[ "$basename" == "CMakeLists.txt" ]]; then
+        comment_char="#"
+    else
+        case "$ext" in
+            cpp|hpp|inc)
+                comment_char="//"
+                ;;
+            py|sh|cmake)
+                comment_char="#"
+                ;;
+            *)
+                # Skip files with unsupported extensions
+                return 0
+                ;;
+        esac
+    fi
+
+    # Build expected header patterns
+    expected_copyright="$comment_char $COPYRIGHT_LINE"
+    expected_spdx="$comment_char $SPDX_LINE"
+
+    # Check if file contains both required lines
+    if ! grep -qF "$expected_copyright" "$file"; then
+        echo "ERROR: File $file is missing the correct copyright header line."
+        echo "  Expected: $expected_copyright"
+        return 1
+    fi
+
+    if ! grep -qF "$expected_spdx" "$file"; then
+        echo "ERROR: File $file is missing the correct SPDX license identifier line."
+        echo "  Expected: $expected_spdx"
+        return 1
+    fi
+
+    return 0
+}
+
+# Process each file provided as argument
+for file in "$@"; do
+    # Skip if file doesn't exist or is a directory
+    if [[ ! -f "$file" ]]; then
+        continue
+    fi
+
+    if ! check_file "$file"; then
+        exit_code=1
     fi
 done