github.com/awslabs/clencli@v0.0.0-20210514234156-7ecf17182a20/cobra/controller/version.go (about)

     1  /*
     2  Copyright © 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
     3  Licensed under the Apache License, Version 2.0 (the "License");
     4  you may not use this file except in compliance with the License.
     5  You may obtain a copy of the License at
     6  
     7      http://www.apache.org/licenses/LICENSE-2.0
     8  
     9  Unless required by applicable law or agreed to in writing, software
    10  distributed under the License is distributed on an "AS IS" BASIS,
    11  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  See the License for the specific language governing permissions and
    13  limitations under the License.
    14  */
    15  
    16  package controller
    17  
    18  import (
    19  	"fmt"
    20  	"os"
    21  	"runtime"
    22  
    23  	"github.com/awslabs/clencli/box"
    24  	"github.com/awslabs/clencli/helper"
    25  	"github.com/sirupsen/logrus"
    26  	"github.com/spf13/cobra"
    27  )
    28  
    29  // VersionCmd command to display clencli current version
    30  func VersionCmd() *cobra.Command {
    31  	man, err := helper.GetManual("version")
    32  	if err != nil {
    33  		fmt.Println(err)
    34  		os.Exit(1)
    35  	}
    36  
    37  	return &cobra.Command{
    38  		Use:   man.Use,
    39  		Short: man.Short,
    40  		Long:  man.Long,
    41  		RunE:  versionRun,
    42  	}
    43  }
    44  
    45  func versionRun(cmd *cobra.Command, args []string) error {
    46  	// Get the version defined in the VERSION file
    47  	cmd.SilenceUsage = true
    48  
    49  	version, found := box.Get("/VERSION")
    50  	if !found {
    51  		logrus.Errorf("unable to find VERSION file under box/resources")
    52  		return fmt.Errorf("version not available")
    53  	}
    54  
    55  	goOS := runtime.GOOS
    56  	goVersion := runtime.Version()
    57  	goArch := runtime.GOARCH
    58  
    59  	cmd.Printf("clencli v%s %s %s %s\n", version, goVersion, goOS, goArch)
    60  
    61  	return nil
    62  }