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  }