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// +build !windows
package util
import (
"os"
"os/exec"
"syscall"
)
// ExecCommand executes the given command with $SHELL
func ExecCommand(command string, setpgid bool) *exec.Cmd {
shell := os.Getenv("SHELL")
if len(shell) == 0 {
shell = "sh"
}
return ExecCommandWith(shell, command, setpgid)
}
// ExecCommandWith executes the given command with the specified shell
func ExecCommandWith(shell string, command string, setpgid bool) *exec.Cmd {
cmd := exec.Command(shell, "-c", command)
if setpgid {
cmd.SysProcAttr = &syscall.SysProcAttr{Setpgid: true}
}
return cmd
}
// KillCommand kills the process for the given command
func KillCommand(cmd *exec.Cmd) error {
return syscall.Kill(-cmd.Process.Pid, syscall.SIGKILL)
}
// IsWindows returns true on Windows
func IsWindows() bool {
return false
}
// SetNonblock executes syscall.SetNonblock on file descriptor
func SetNonblock(file *os.File, nonblock bool) {
syscall.SetNonblock(int(file.Fd()), nonblock)
}
// Read executes syscall.Read on file descriptor
func Read(fd int, b []byte) (int, error) {
return syscall.Read(int(fd), b)
}
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