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easyshell
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easyshell
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script.go
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42 lines (37 loc) · 1.12 KB
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script.go
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package easyshell
import (
"context"
"fmt"
)
// ScriptError 脚本执行错误:标识失败发生在哪条命令上
type ScriptError struct {
// Cmd 失败的命令
Cmd string
// Index 命令在脚本中的下标(从0开始)
Index int
// Err 底层错误(含设备错误检测命中的 *core.DeviceError)
Err error
}
func (e *ScriptError) Error() string {
return fmt.Sprintf("script failed at command[%d] %q: %v", e.Index, e.Cmd, e.Err)
}
func (e *ScriptError) Unwrap() error { return e.Err }
// RunScript 顺序执行多条命令;任何一条失败(连接错误、超时、设备错误检测命中等)
//
// 立即中止并返回 *ScriptError。onOut 可为 nil,其 cmd 参数为产生该输出的命令。
func RunScript(ctx context.Context, s Shell, onOut func(cmd string, lines []string), cmds ...string) error {
for i, cmd := range cmds {
if err := ctx.Err(); err != nil {
return &ScriptError{Cmd: cmd, Index: i, Err: err}
}
err := s.Run(ctx, cmd, func(lines []string) {
if onOut != nil {
onOut(cmd, lines)
}
})
if err != nil {
return &ScriptError{Cmd: cmd, Index: i, Err: err}
}
}
return nil
}
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