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go-zero/tools/goctl/rpc/execx/execx.go

52 lines
1.2 KiB
Go

package execx
import (
"bytes"
"errors"
"fmt"
"os/exec"
"runtime"
"strings"
"github.com/zeromicro/go-zero/tools/goctl/util/pathx"
"github.com/zeromicro/go-zero/tools/goctl/vars"
)
// RunFunc defines a function type of Run function
type RunFunc func(string, string, ...*bytes.Buffer) (string, error)
// Run provides the execution of shell scripts in golang,
// which can support macOS, Windows, and Linux operating systems.
// Other operating systems are currently not supported
func Run(arg, dir string, in ...*bytes.Buffer) (string, error) {
goos := runtime.GOOS
var cmd *exec.Cmd
switch goos {
case vars.OsMac, vars.OsLinux:
cmd = exec.Command("sh", "-c", arg)
case vars.OsWindows:
cmd = exec.Command("cmd.exe", "/c", arg)
default:
return "", fmt.Errorf("unexpected os: %v", goos)
}
if len(dir) > 0 {
cmd.Dir = dir
}
stdout := new(bytes.Buffer)
stderr := new(bytes.Buffer)
if len(in) > 0 {
cmd.Stdin = in[0]
}
cmd.Stdout = stdout
cmd.Stderr = stderr
err := cmd.Run()
if err != nil {
if stderr.Len() > 0 {
return "", errors.New(strings.TrimSuffix(stderr.String(), pathx.NL))
}
return "", err
}
return strings.TrimSuffix(stdout.String(), pathx.NL), nil
}