diff options
Diffstat (limited to 'vendor/github.com/spf13/pflag/ip.go')
| -rw-r--r-- | vendor/github.com/spf13/pflag/ip.go | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/vendor/github.com/spf13/pflag/ip.go b/vendor/github.com/spf13/pflag/ip.go index 3d414ba69..06b8bcb57 100644 --- a/vendor/github.com/spf13/pflag/ip.go +++ b/vendor/github.com/spf13/pflag/ip.go @@ -16,6 +16,9 @@ func newIPValue(val net.IP, p *net.IP) *ipValue { func (i *ipValue) String() string { return net.IP(*i).String() } func (i *ipValue) Set(s string) error { + if s == "" { + return nil + } ip := net.ParseIP(strings.TrimSpace(s)) if ip == nil { return fmt.Errorf("failed to parse IP: %q", s) |