V2 restore podman -v command

* Removed extra spaces and improved error message
* Updated tests to use gomega matchers

Signed-off-by: Jhon Honce <jhonce@redhat.com>

2 files changed, 6 insertions, 6 deletions

diff --git a/cmd/podman/registry/registry.go b/cmd/podman/registry/registry.go
index 2e9d59d10..993b14cbc 100644
--- a/cmd/podman/registry/registry.go
+++ b/cmd/podman/registry/registry.go
@@ -2,6 +2,7 @@ package registry
 
 import (
 	"context"
+	"fmt"
 
 	"github.com/containers/libpod/pkg/domain/entities"
 	"github.com/containers/libpod/pkg/domain/infra"
@@ -86,7 +87,7 @@ func SubCommandExists(cmd *cobra.Command, args []string) error {
 // IdOrLatestArgs used to validate a nameOrId was provided or the "--latest" flag
 func IdOrLatestArgs(cmd *cobra.Command, args []string) error {
 	if len(args) > 1 || (len(args) == 0 && !cmd.Flag("latest").Changed) {
-		return errors.New(`command requires a name, id  or the "--latest" flag`)
+		return fmt.Errorf("%s requires a name, id or the '--latest' flag", cmd.Name())
 	}
 	return nil
 }
diff --git a/cmd/podman/root.go b/cmd/podman/root.go
index 56ca549b6..d4fa9ea5b 100644
--- a/cmd/podman/root.go
+++ b/cmd/podman/root.go
@@ -78,6 +78,10 @@ func init() {
 	)
 
 	rootFlags(registry.PodmanConfig(), rootCmd.PersistentFlags())
+
+	// "version" is a local flag to avoid collisions with sub-commands that use "-v"
+	var dummyVersion bool
+	rootCmd.Flags().BoolVarP(&dummyVersion, "version", "v", false, "Version of Podman")
 }
 
 func Execute() {
@@ -206,11 +210,6 @@ func rootFlags(opts *entities.PodmanConfig, flags *pflag.FlagSet) {
 	flags.StringVarP(&opts.Uri, "remote", "r", "", "URL to access Podman service")
 	flags.StringSliceVar(&opts.Identities, "identity", []string{}, "path to SSH identity file")
 
-	// Override default --help information of `--version` global flag
-	// TODO: restore -v option for version without breaking -v for volumes
-	var dummyVersion bool
-	flags.BoolVar(&dummyVersion, "version", false, "Version of Podman")
-
 	cfg := opts.Config
 	flags.StringVar(&cfg.Engine.CgroupManager, "cgroup-manager", cfg.Engine.CgroupManager, opts.CGroupUsage)
 	flags.StringVar(&opts.CpuProfile, "cpu-profile", "", "Path for the cpu profiling results")