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184 lines
3.7 KiB
Markdown
184 lines
3.7 KiB
Markdown
---
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description: 逐步修复Go构建错误、go vet警告和linter问题。调用go-build-resolver代理进行最小化、精确的修复。
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---
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# Go 构建与修复
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此命令调用 **go-build-resolver** 代理，以最小的更改增量修复 Go 构建错误。
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## 此命令的作用
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1. **运行诊断**：执行 `go build`、`go vet`、`staticcheck`
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2. **解析错误**：按文件分组并按严重性排序
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3. **增量修复**：一次修复一个错误
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4. **验证每次修复**：每次更改后重新运行构建
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5. **报告摘要**：显示已修复的内容和剩余问题
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## 何时使用
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在以下情况使用 `/go-build`：
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* `go build ./...` 因错误而失败
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* `go vet ./...` 报告问题
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* `golangci-lint run` 显示警告
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* 模块依赖关系损坏
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* 拉取更改后导致构建失败
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## 运行的诊断命令
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```bash
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# Primary build check
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go build ./...
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# Static analysis
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go vet ./...
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# Extended linting (if available)
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staticcheck ./...
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golangci-lint run
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# Module issues
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go mod verify
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go mod tidy -v
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```
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## 示例会话
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````text
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# Go Build 解析
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## 初始诊断
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```bash
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$ go build ./...
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internal/service/user.go:25:15: undefined: UserRepository
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internal/handler/api.go:42:9: cannot use x (type string) as type int
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internal/handler/api.go:58:2: missing return at end of function
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````
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发现错误：3
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## 修复 1：未定义的标识符
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文件：internal/service/user.go:25
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错误：undefined: UserRepository
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原因：缺少导入
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```go
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// Added import
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import "project/internal/repository"
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// Changed
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var repo UserRepository
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// To
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var repo repository.UserRepository
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```
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```bash
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$ go build ./...
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# 2 errors remaining
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```
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## 修复 2：类型不匹配
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文件：internal/handler/api.go:42
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错误：cannot use x (type string) as type int
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```go
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// Changed
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count := params.Get("count")
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// To
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countStr := params.Get("count")
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count, _ := strconv.Atoi(countStr)
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```
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```bash
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$ go build ./...
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# 1 error remaining
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```
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## 修复 3：缺少返回
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文件：internal/handler/api.go:58
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错误：missing return at end of function
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```go
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func GetUser(id string) (*User, error) {
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if id == "" {
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return nil, ErrInvalidID
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}
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user := findUser(id)
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// Added missing return
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return user, nil
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}
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```
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```bash
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$ go build ./...
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# Build successful!
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```
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## 最终验证
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```bash
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$ go vet ./...
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# No issues
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$ go test ./...
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ok project/internal/service 0.015s
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ok project/internal/handler 0.023s
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```
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## 摘要
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| 指标 | 数量 |
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|--------|-------|
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| 已修复的构建错误 | 3 |
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| 已修复的 Vet 警告 | 0 |
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| 已修改的文件 | 2 |
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| 剩余问题 | 0 |
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构建状态：PASS: 成功
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```
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## 常见错误修复
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| 错误 | 典型修复 |
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|-------|-------------|
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| `undefined: X` | 添加导入或修正拼写错误 |
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| `cannot use X as Y` | 类型转换或修正赋值 |
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| `missing return` | 添加返回语句 |
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| `X does not implement Y` | 添加缺失的方法 |
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| `import cycle` | 重构包结构 |
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| `declared but not used` | 移除或使用变量 |
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| `cannot find package` | `go get` 或 `go mod tidy` |
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## 修复策略
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1. **优先处理构建错误** - 代码必须能够编译
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2. **其次处理 vet 警告** - 修复可疑结构
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3. **再次处理 lint 警告** - 风格和最佳实践
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4. **一次修复一个问题** - 验证每个更改
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5. **最小化更改** - 不要重构，只修复
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## 停止条件
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在以下情况下，代理将停止并报告：
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- 相同错误经过 3 次尝试后仍然存在
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- 修复引入了更多错误
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- 需要架构性更改
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- 缺少外部依赖
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## 相关命令
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- `/go-test` - 构建成功后运行测试
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- `/go-review` - 审查代码质量
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- `/verify` - 完整验证循环
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## 相关
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- 代理: `agents/go-build-resolver.md`
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- 技能: `skills/golang-patterns/`
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```
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