#!/bin/bash

if [ $# -lt 2 ]; then
    echo "用法: $0 <源目录> <目标目录>"
    echo "示例: $0 /path/to/build /path/to/output"
    exit 1
fi

SOURCE_DIR="$1"
TARGET_DIR="$2"

if [ ! -d "$SOURCE_DIR" ]; then
    echo "错误: 源目录不存在: $SOURCE_DIR"
    exit 1
fi

mkdir -p "$TARGET_DIR"

echo "开始复制 .o 文件..."

find "$SOURCE_DIR" -name "*.o" -type f | while read -r file; do
    basename=$(basename "$file")
    base="${basename%.*}"
    ext="${basename##*.}"
    
    if [ -f "$TARGET_DIR/$basename" ]; then
        counter=1
        new_name="${base}_${counter}.${ext}"
        
        while [ -f "$TARGET_DIR/$new_name" ]; do
            ((counter++))
            new_name="${base}_${counter}.${ext}"
        done
        
        cp "$file" "$TARGET_DIR/$new_name"
        echo "复制: $file -> $TARGET_DIR/$new_name (重名文件)"
    else
        cp "$file" "$TARGET_DIR/$basename"
        echo "复制: $file -> $TARGET_DIR/$basename"
    fi
done

echo "复制完成！"
echo "已复制的文件在: $TARGET_DIR"
ls -la "$TARGET_DIR"/*.o | wc -l