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37 lines
615 B
Go
37 lines
615 B
Go
package execx
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import (
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"bytes"
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"errors"
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"fmt"
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"os/exec"
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"runtime"
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)
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func Run(arg string) (string, error) {
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goos := runtime.GOOS
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var cmd *exec.Cmd
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switch goos {
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case "darwin", "linux":
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cmd = exec.Command("sh", "-c", arg)
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case "windows":
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cmd = exec.Command("cmd.exe", "/c", arg)
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default:
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return "", fmt.Errorf("unexpected os: %v", goos)
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}
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dtsout := new(bytes.Buffer)
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stderr := new(bytes.Buffer)
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cmd.Stdout = dtsout
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cmd.Stderr = stderr
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err := cmd.Run()
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if err != nil {
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if stderr.Len() > 0 {
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return "", errors.New(stderr.String())
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}
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return "", err
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}
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return dtsout.String(), nil
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}
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