chore: pre-commit script for deteting and generate license header (#384)

common/git-hooks/pre-commit

@@ -19,7 +19,10 @@ source frontend/scripts/block-unresolved-conflict.sh
 
 block_unresolved_conflict '--cached'
 
+
 if [ "$PRE_LINT" != "1" ]; then
+  # Add license headers to staged files
+  bash scripts/hooks/add-license-header.sh || exit $?
   node common/scripts/install-run-rush.js fix-ts-refers --use-cached-files --shallow --submit-changes
   # node infra/commanders/fix-peer-deps/bin/main.js fix --use-cached-files -s
   node common/scripts/install-run-rush.js -q lint-staged || exit $?

scripts/hooks/add-license-header.sh

@@ -0,0 +1,165 @@
+#!/bin/bash
+
+# License header content
+APACHE_LICENSE_HEADER="/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the \"License\");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an \"AS IS\" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */"
+
+SHELL_LICENSE_HEADER="#
+# Copyright 2025 coze-dev Authors
+#
+# Licensed under the Apache License, Version 2.0 (the \"License\");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an \"AS IS\" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#"
+
+# File extensions that require license headers
+declare -a FILE_EXTENSIONS=("go" "ts" "tsx" "js" "jsx" "sh")
+
+# Function to check if file already has license header
+has_license_header() {
+    local file="$1"
+    local ext="${file##*.}"
+    
+    case "$ext" in
+        "go"|"ts"|"tsx"|"js"|"jsx")
+            # Check for /* Copyright pattern within first 5 lines
+            head -n 5 "$file" | grep -q "Copyright.*coze-dev Authors"
+            ;;
+        "sh")
+            # Check for # Copyright pattern within first 10 lines (accounting for shebang)
+            head -n 10 "$file" | grep -q "Copyright.*coze-dev Authors"
+            ;;
+        *)
+            return 1
+            ;;
+    esac
+}
+
+# Function to add license header to file
+add_license_header() {
+    local file="$1"
+    local ext="${file##*.}"
+    local temp_file=$(mktemp)
+    
+    case "$ext" in
+        "go"|"ts"|"tsx"|"js"|"jsx")
+            # Add C-style comment header
+            echo "$APACHE_LICENSE_HEADER" > "$temp_file"
+            echo "" >> "$temp_file"
+            cat "$file" >> "$temp_file"
+            ;;
+        "sh")
+            # Handle shell files with potential shebang
+            if head -n 1 "$file" | grep -q "^#!"; then
+                # Preserve shebang
+                head -n 1 "$file" > "$temp_file"
+                echo "$SHELL_LICENSE_HEADER" >> "$temp_file"
+                echo "" >> "$temp_file"
+                tail -n +2 "$file" >> "$temp_file"
+            else
+                # No shebang
+                echo "$SHELL_LICENSE_HEADER" > "$temp_file"
+                echo "" >> "$temp_file"
+                cat "$file" >> "$temp_file"
+            fi
+            ;;
+        *)
+            echo "Unsupported file extension: $ext"
+            rm "$temp_file"
+            return 1
+            ;;
+    esac
+    
+    # Replace original file with modified version
+    mv "$temp_file" "$file"
+    return 0
+}
+
+# Function to check if file is a text file and should be processed
+should_process_file() {
+    local file="$1"
+    local ext="${file##*.}"
+    
+    # Check if extension is in our list
+    for supported_ext in "${FILE_EXTENSIONS[@]}"; do
+        if [[ "$ext" == "$supported_ext" ]]; then
+            return 0
+        fi
+    done
+    return 1
+}
+
+# Main function
+main() {
+    local files_modified=0
+    
+    # Get list of staged files
+    staged_files=$(git diff --cached --name-only --diff-filter=ACM)
+    
+    if [[ -z "$staged_files" ]]; then
+        echo "No staged files to process"
+        exit 0
+    fi
+    
+    echo "Checking license headers for staged files..."
+    
+    while IFS= read -r file; do
+        # Skip if file doesn't exist (might be deleted)
+        [[ ! -f "$file" ]] && continue
+        
+        # Skip if file shouldn't be processed
+        if ! should_process_file "$file"; then
+            continue
+        fi
+        
+        echo "Checking: $file"
+        
+        # Check if file already has license header
+        if has_license_header "$file"; then
+            echo "  ✓ License header present"
+        else
+            echo "  + Adding license header"
+            if add_license_header "$file"; then
+                # Add the modified file back to staging
+                git add "$file"
+                files_modified=$((files_modified + 1))
+                echo "  ✓ License header added and file re-staged"
+            else
+                echo "  ✗ Failed to add license header"
+                exit 1
+            fi
+        fi
+    done <<< "$staged_files"
+    
+    if [[ $files_modified -gt 0 ]]; then
+        echo ""
+        echo "Added license headers to $files_modified file(s) and re-staged them for commit."
+    else
+        echo ""
+        echo "All staged files already have proper license headers."
+    fi
+}
+
+# Run main function
+main "$@"