diff --git a/pkg/reexec/command_freebsd.go b/pkg/reexec/command_freebsd.go new file mode 100644 index 0000000000..6f63ae9917 --- /dev/null +++ b/pkg/reexec/command_freebsd.go @@ -0,0 +1,37 @@ +// +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 +} diff --git a/pkg/reexec/command_unix.go b/pkg/reexec/command_unix.go index 9dd8cb9bbe..a56ada2161 100644 --- a/pkg/reexec/command_unix.go +++ b/pkg/reexec/command_unix.go @@ -1,4 +1,5 @@ -// +build freebsd solaris darwin +//go:build solaris || darwin +// +build solaris darwin package reexec