Make trailing newline in command help more consistent.

- Our template doesn't include a trailing newline, so add it.
- output.Print() adds a trailing newline, so strip it from our Help() function.

cmd/state/internal/cmdtree/exec.go

@@ -27,7 +27,7 @@ func newExecCommand(prime *primer.Values, args ...string) *captain.Command {
 		[]*captain.Argument{},
 		func(ccmd *captain.Command, args []string) error {
 			if len(args) > 0 && (args[0] == "-h" || args[0] == "--help") {
-				prime.Output().Print(ccmd.UsageText())
+				prime.Output().Print(ccmd.Help())
 				return nil
 			} else if len(args) > 0 && (args[0] == "-v" || args[0] == "--verbose" || args[0] == "--") {
 				if len(args) > 1 {

internal/assets/contents/usage.tpl

@@ -66,4 +66,4 @@ To access the list of full commands, including unstable features still in beta,
 WARNING: You have access to all State Tool commands, including unstable features still in beta, in order to hide these features run:
 
 "state config set optin.unstable false"
-{{- end}}
+{{- end}}

internal/captain/command.go

@@ -209,7 +209,7 @@ func (c *Command) UsageText() string {
 }
 
 func (c *Command) Help() string {
-	return fmt.Sprintf("%s\n\n%s", c.cobra.Short, c.UsageText())
+	return strings.TrimRightFunc(fmt.Sprintf("%s\n\n%s", c.cobra.Short, c.UsageText()), unicode.IsSpace)
 }
 
 func (c *Command) ShortDescription() string {
@@ -852,7 +852,7 @@ func (cmd *Command) Usage() error {
 			return errs.Wrap(err, "Unable to write to cobra outWriter")
 		}
 	} else {
-		cmd.out.Print(out.String())
+		cmd.out.Print(strings.TrimRightFunc(out.String(), unicode.IsSpace))
 	}
 
 	return nil