78 lines
1.9 KiB
Go
78 lines
1.9 KiB
Go
package bbutil
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"log"
|
|
"os"
|
|
"os/exec"
|
|
)
|
|
|
|
// RunBash runs a Bash command.
|
|
func RunBash(command string, args ...string) error {
|
|
cmd := exec.Command(command, args...)
|
|
cmd.Stdin = os.Stdin
|
|
cmd.Stdout = os.Stdout
|
|
cmd.Stderr = os.Stderr
|
|
err := cmd.Start()
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
err = cmd.Wait()
|
|
if err != nil {
|
|
return fmt.Errorf("RunBash cmd=%q err=%w", command, err)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// RunBashOutput runs a Bash command, captures output.
|
|
func RunBashOutput(command string, args ...string) (string, error) {
|
|
cmd := exec.Command(command, args...)
|
|
cmd.Stdin = os.Stdin
|
|
cmd.Stderr = os.Stderr
|
|
out, err := cmd.Output()
|
|
if err != nil {
|
|
return "", fmt.Errorf("RunBashOutput err=%w", err)
|
|
}
|
|
return string(out), err
|
|
}
|
|
|
|
// RunBashOutputSilent runs a Bash command, captures output, discards stderr.
|
|
func RunBashOutputSilent(command string, args ...string) (string, error) {
|
|
cmd := exec.Command(command, args...)
|
|
cmd.Stdin = os.Stdin
|
|
// Leave cmd.Stderr unmodified and stderr is discarded.
|
|
out, err := cmd.Output()
|
|
if err != nil {
|
|
return "", fmt.Errorf("RunBashOutputSilent err=%w", err)
|
|
}
|
|
return string(out), err
|
|
}
|
|
|
|
// RunBashInput runs a Bash command, sends input on stdin.
|
|
func RunBashInput(input string, command string, args ...string) error {
|
|
|
|
cmd := exec.Command(command, args...)
|
|
cmd.Stdin = bytes.NewBuffer([]byte(input))
|
|
cmd.Stdout = os.Stdout
|
|
cmd.Stderr = os.Stderr
|
|
err := cmd.Run()
|
|
if err != nil {
|
|
return fmt.Errorf("RunBashInput err=%w", err)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// RunBashInputOutput runs a Bash command, sends input on stdin.
|
|
func RunBashInputOutput(input []byte, command string, args ...string) ([]byte, error) {
|
|
|
|
cmd := exec.Command(command, args...)
|
|
cmd.Stdin = bytes.NewBuffer(input)
|
|
cmd.Stderr = os.Stderr
|
|
out, err := cmd.Output()
|
|
if err != nil {
|
|
return nil, fmt.Errorf("RunBashInputOutput err=%w", err)
|
|
}
|
|
return out, nil
|
|
}
|