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smug/commander.go

33 lines
592 B
Go

package main
import (
"os/exec"
"strings"
)
type Commander interface {
Exec(cmd *exec.Cmd) (string, error)
ExecSilently(cmd *exec.Cmd) error
}
type DefaultCommander struct {
}
func (c DefaultCommander) Exec(cmd *exec.Cmd) (string, error) {
output, err := cmd.CombinedOutput()
if err != nil {
return "", &ShellError{strings.Join(cmd.Args, " "), err}
}
return strings.TrimSuffix(string(output), "\n"), nil
}
func (c DefaultCommander) ExecSilently(cmd *exec.Cmd) error {
err := cmd.Run()
if err != nil {
return &ShellError{strings.Join(cmd.Args, " "), err}
}
return nil
}