Fix spelling "setup" -> "set up" and similar

* Replace "setup", "lookup", "cleanup", "backup" with
  "set up", "look up", "clean up", "back up"
  when used as verbs. Replace also variations of those.

* Improve language in a few places.

Signed-off-by: Erik Sjölund <erik.sjolund@gmail.com>

cmd/podman-mac-helper/main.go

@@ -73,7 +73,7 @@ func getUserInfo(name string) (string, string, string, error) {
 	entry := readCapped(output)
 	elements := strings.Split(entry, ":")
 	if len(elements) < 9 || elements[0] != name {
-		return "", "", "", errors.New("Could not lookup user")
+		return "", "", "", errors.New("Could not look up user")
 	}
 
 	return elements[0], elements[2], elements[8], nil
@@ -90,7 +90,7 @@ func getUser() (string, string, string, error) {
 
 	_, uid, home, err := getUserInfo(name)
 	if err != nil {
-		return "", "", "", fmt.Errorf("could not lookup user: %s", name)
+		return "", "", "", fmt.Errorf("could not look up user: %s", name)
 	}
 	id, err := strconv.Atoi(uid)
 	if err != nil {

cmd/podman/containers/cleanup.go

@@ -23,7 +23,7 @@ var (
 	cleanupCommand = &cobra.Command{
 		Annotations: map[string]string{registry.EngineMode: registry.ABIMode},
 		Use:         "cleanup [options] CONTAINER [CONTAINER...]",
-		Short:       "Cleanup network and mountpoints of one or more containers",
+		Short:       "Clean up network and mountpoints of one or more containers",
 		Long:        cleanupDescription,
 		RunE:        cleanup,
 		Args: func(cmd *cobra.Command, args []string) error {

cmd/podman/containers/port.go

@@ -15,7 +15,7 @@ import (
 )
 
 var (
-	portDescription = `List port mappings for the CONTAINER, or lookup the public-facing port that is NAT-ed to the PRIVATE_PORT
+	portDescription = `List port mappings for the CONTAINER, or look up the public-facing port that is NAT-ed to the PRIVATE_PORT
 `
 	portCommand = &cobra.Command{
 		Use:   "port [options] CONTAINER [PORT]",

cmd/podman/registry/config.go

@@ -92,7 +92,7 @@ func setXdgDirs() error {
 		return nil
 	}
 
-	// Setup XDG_RUNTIME_DIR
+	// Set up XDG_RUNTIME_DIR
 	if _, found := os.LookupEnv("XDG_RUNTIME_DIR"); !found {
 		dir, err := util.GetRuntimeDir()
 		if err != nil {
@@ -110,7 +110,7 @@ func setXdgDirs() error {
 		}
 	}
 
-	// Setup XDG_CONFIG_HOME
+	// Set up XDG_CONFIG_HOME
 	if _, found := os.LookupEnv("XDG_CONFIG_HOME"); !found {
 		cfgHomeDir, err := util.GetRootlessConfigHomeDir()
 		if err != nil {

cmd/podman/system/connection/add.go

@@ -188,7 +188,7 @@ func GetUserInfo(uri *url.URL) (*url.Userinfo, error) {
 	if u, found := os.LookupEnv("_CONTAINERS_ROOTLESS_UID"); found {
 		usr, err = user.LookupId(u)
 		if err != nil {
-			return nil, errors.Wrapf(err, "failed to lookup rootless user")
+			return nil, errors.Wrapf(err, "failed to look up rootless user")
 		}
 	} else {
 		usr, err = user.Current()

cmd/podman/validate/args.go

@@ -73,9 +73,9 @@ func CheckAllLatestAndIDFile(c *cobra.Command, args []string, ignoreArgLen bool,
 		specifiedLatest, _ = c.Flags().GetBool("latest")
 		if c.Flags().Lookup("all") == nil || c.Flags().Lookup("latest") == nil {
 			if idFileFlag == "" {
-				return errors.New("unable to lookup values for 'latest' or 'all'")
+				return errors.New("unable to look up values for 'latest' or 'all'")
 			} else if c.Flags().Lookup(idFileFlag) == nil {
-				return errors.Errorf("unable to lookup values for 'latest', 'all', or '%s'", idFileFlag)
+				return errors.Errorf("unable to look up values for 'latest', 'all', or '%s'", idFileFlag)
 			}
 		}
 	}

cmd/winpath/main.go

@@ -131,7 +131,7 @@ func removePathFromRegistry(path string) error {
 	k, err := registry.OpenKey(registry.CURRENT_USER, Environment, registry.READ|registry.WRITE)
 	if err != nil {
 		if errors.Is(err, fs.ErrNotExist) {
-			// Nothing to cleanup, the Environment registry key does not exist.
+			// Nothing to clean up, the Environment registry key does not exist.
 			return nil
 		}
 		return err