odboy
84f7361396
- 注册表新增 Variant.Builtin 内置动作，与 Argv 互斥并参与平台匹配 - disk.usage 支持位置参数与 --path/--path=，输出按大小降序并带合计 - Unix 用设备号实现 -x 不跨文件系统，Windows 降级为不跟随 reparse point - list/help/explain 支持展示内置动作，补充单元与 CLI 测试、README
38 lines
908 B
Go
38 lines
908 B
Go
package executor
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import (
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"context"
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"io"
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)
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// BuiltinRequest carries the caller's arguments and output streams to an
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// in-process command implementation.
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type BuiltinRequest struct {
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Args []string
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Stdout io.Writer
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Stderr io.Writer
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}
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// Builtin executes a command inside kopsc instead of spawning a child. It is
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// used where no portable system utility exists (for example du on Windows).
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type Builtin func(ctx context.Context, req BuiltinRequest) error
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var builtins = map[string]Builtin{
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"disk.usage": runDiskUsage,
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}
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// LookupBuiltin returns the implementation registered under name.
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func LookupBuiltin(name string) (Builtin, bool) {
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fn, ok := builtins[name]
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return fn, ok
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}
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// BuiltinNames lists the registered builtin implementations.
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func BuiltinNames() []string {
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names := make([]string, 0, len(builtins))
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for name := range builtins {
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names = append(names, name)
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}
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return names
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}
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