git中用于生成commitId与其父commitId间的文件差异文件树

生成commitId与其父commitId间的文件差异文件树

#!/bin/bash
#
#	用于生成目标commitId与其父commitId间文件差异
#
commit_id=$1  # 输入目标commit的哈希值
old_dir="old_version"
new_dir="new_version"

# 创建目录
mkdir -p "$old_dir" "$new_dir"

# 获取差异文件列表
files=$(git diff --name-only "${commit_id}^" "$commit_id")

# 导出文件
for file in $files; do
    # 父commit版本
    mkdir -p "$old_dir/$(dirname "$file")"
    git show "${commit_id}^:$file" > "$old_dir/$file" 2>/dev/null || echo "[跳过] 父提交中不存在: $file"

    # 当前commit版本
    mkdir -p "$new_dir/$(dirname "$file")"
    git show "${commit_id}:$file" > "$new_dir/$file" 2>/dev/null || echo "[跳过] 当前提交中不存在: $file"
done

mv "$old_dir" "$commit_id"_"$old_dir"
mv "$new_dir" "$commit_id"_"$new_dir"