github.com/devcamcar/cli@v0.0.0-20181107134215-706a05759d18/commands/version.go (about)

     1  package commands
     2  
     3  import (
     4  	"fmt"
     5  
     6  	"github.com/fnproject/cli/client"
     7  	"github.com/fnproject/cli/config"
     8  	"github.com/urfave/cli"
     9  )
    10  
    11  // VersionCommand
    12  func VersionCommand() cli.Command {
    13  	return cli.Command{
    14  		Name:        "version",
    15  		Usage:       "Display Fn CLI and Fn Server versions",
    16  		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.",
    17  		Action:      versionCMD,
    18  	}
    19  }
    20  
    21  func versionCMD(c *cli.Context) error {
    22  	provider, err := client.CurrentProvider()
    23  	if err != nil {
    24  		return err
    25  	}
    26  
    27  	ver := config.GetVersion("latest")
    28  	if ver == "" {
    29  		ver = "Client version: " + config.Version
    30  	}
    31  	fmt.Println(ver)
    32  
    33  	versionClient := provider.VersionClient()
    34  	v, err := versionClient.GetVersion(nil)
    35  	if err != nil {
    36  		fmt.Println("Server version: ", "?")
    37  		return nil
    38  	}
    39  	fmt.Println("Server version: ", v.Payload.Version)
    40  	return nil
    41  }