github.com/fnproject/cli@v0.0.0-20240508150455-e5d88bd86117/commands/version.go (about) 1 /* 2 * Copyright (c) 2019, 2020 Oracle and/or its affiliates. All rights reserved. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package commands 18 19 import ( 20 "fmt" 21 22 "github.com/fnproject/cli/client" 23 "github.com/fnproject/cli/config" 24 "github.com/urfave/cli" 25 ) 26 27 // VersionCommand 28 func VersionCommand() cli.Command { 29 return cli.Command{ 30 Name: "version", 31 Usage: "Display Fn CLI and Fn Server versions", 32 Description: "This command shows the version of the Fn CLI being used and the version of the Fn Server referenced by the current context, if available.", 33 Action: versionCMD, 34 } 35 } 36 37 func versionCMD(c *cli.Context) error { 38 provider, err := client.CurrentProvider() 39 if err != nil { 40 return err 41 } 42 43 ver := config.GetVersion("latest") 44 if ver == "" { 45 ver = "Client version: " + config.Version 46 } 47 fmt.Println(ver) 48 49 versionClient := provider.VersionClient() 50 v, err := versionClient.GetVersion(nil) 51 if err != nil { 52 fmt.Println("Server version: ", "?") 53 return nil 54 } 55 fmt.Println("Server version: ", v.Payload.Version) 56 return nil 57 }