src/edit/util.go


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package main

import (
	"os/exec"
)

type exitError exec.ExitError

func (e *exitError) Error() string {
	ret := e.ProcessState.String()
	if len(e.Stderr) > 0 {
		ret += "\n" + string(e.Stderr)
	}
	return ret
}

func errcheck(err error) {
	if err != nil {
		if ee, ok := err.(*exec.ExitError); ok {
			ee2 := exitError(*ee)
			err = &ee2
		}
		panic(err)
	}
}