graphql-engine/cli/util/flags.go

37 lines
676 B
Go

package util
import (
"github.com/Masterminds/semver"
)
type VersionFlag struct {
Version *semver.Version
}
// NewVersionFlagValue returns ConfigVersion set with default value
func NewVersionFlagValue(p *VersionFlag) *VersionFlag {
return p
}
// Set sets the value of the named command-line flag.
func (c *VersionFlag) Set(s string) error {
v, err := semver.NewVersion(s)
if err != nil {
return err
}
c.Version = v
return nil
}
// Type returns a string that uniquely represents this flag's type.
func (c *VersionFlag) Type() string {
return "string"
}
func (c *VersionFlag) String() string {
if c.Version == nil {
return ""
}
return c.Version.String()
}