command: add autocomplete for init -short flag

command/job_init.go

@@ -5,6 +5,8 @@ import (
 	"io/ioutil"
 	"os"
 	"strings"
+
+	"github.com/posener/complete"
 )
 
 const (
@@ -39,6 +41,13 @@ func (c *JobInitCommand) Synopsis() string {
 	return "Create an example job file"
 }
 
+func (c *JobInitCommand) AutocompleteFlags() complete.Flags {
+	return mergeAutocompleteFlags(c.Meta.AutocompleteFlags(FlagSetClient),
+		complete.Flags{
+			"-short": complete.PredictNothing,
+		})
+}
+
 func (c *JobInitCommand) Name() string { return "job init" }
 
 func (c *JobInitCommand) Run(args []string) int {