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add version flag

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This commit is contained in:
Nate Jones 2015-05-21 22:33:11 -07:00
parent 2decb499f2
commit 961ed9e35f
1 changed files with 8 additions and 0 deletions
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8
cli.go
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@ -1,6 +1,7 @@
package main package main
import ( import (
"fmt"
"os" "os"
"github.com/jessevdk/go-flags" "github.com/jessevdk/go-flags"
@ -12,12 +13,19 @@ type GlobalOptions struct {
TLSKey string `long:"tlskey" value-name:"~/.docker/key.pem" description:"Path to TLS key file"` TLSKey string `long:"tlskey" value-name:"~/.docker/key.pem" description:"Path to TLS key file"`
TLSVerify bool `long:"tlsverify" description:"Use TLS and verify the remote"` TLSVerify bool `long:"tlsverify" description:"Use TLS and verify the remote"`
Host string `long:"host" short:"H" value-name:"unix:///var/run/docker.sock" description:"Docker host to connect to"` Host string `long:"host" short:"H" value-name:"unix:///var/run/docker.sock" description:"Docker host to connect to"`
Version func() `long:"version" short:"v" description:"Display version information."`
} }
var globalOptions GlobalOptions var globalOptions GlobalOptions
var parser = flags.NewParser(&globalOptions, flags.Default) var parser = flags.NewParser(&globalOptions, flags.Default)
var version = "v0.2"
func main() { func main() {
globalOptions.Version = func() {
fmt.Println("dockviz", version)
os.Exit(0)
}
if _, err := parser.Parse(); err != nil { if _, err := parser.Parse(); err != nil {
os.Exit(1) os.Exit(1)
} }