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// +build freebsd
package reexec
import (
"context"
"os"
"os/exec"
"golang.org/x/sys/unix"
)
// Self returns the path to the current process's binary.
// Uses sysctl.
func Self() string {
path, err := unix.SysctlArgs("kern.proc.pathname", -1)
if err == nil {
return path
}
return os.Args[0]
}
// Command returns *exec.Cmd which has Path as current binary.
// For example if current binary is "docker" at "/usr/bin/", then cmd.Path will
// be set to "/usr/bin/docker".
func Command(args ...string) *exec.Cmd {
cmd := exec.Command(Self())
cmd.Args = args
return cmd
}
// CommandContext returns *exec.Cmd which has Path as current binary.
func CommandContext(ctx context.Context, args ...string) *exec.Cmd {
cmd := exec.CommandContext(ctx, Self())
cmd.Args = args
return cmd
}
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