add better generate

Signed-off-by: Jess Frazelle <acidburn@microsoft.com>

vendor/github.com/genuinetools/reg/delete.go

@@ -0,0 +1,31 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/genuinetools/reg/repoutils"
+	"github.com/urfave/cli"
+)
+
+var deleteCommand = cli.Command{
+	Name:    "delete",
+	Aliases: []string{"rm"},
+	Usage:   "delete a specific reference of a repository",
+	Action: func(c *cli.Context) error {
+		if len(c.Args()) < 1 {
+			return fmt.Errorf("pass the name of the repository")
+		}
+
+		repo, ref, err := repoutils.GetRepoAndRef(c.Args()[0])
+		if err != nil {
+			return err
+		}
+
+		if err := r.Delete(repo, ref); err != nil {
+			return fmt.Errorf("Delete %s@%s failed: %v", repo, ref, err)
+		}
+		fmt.Printf("Deleted %s@%s\n", repo, ref)
+
+		return nil
+	},
+}