keep validation failure messages consistent.

they now print the incorrect value passed.

cmd/x32-cli/bus.go

@@ -187,7 +187,7 @@ func (cmd *BusEqCmdGroup) Validate() error {
 	}
 
 	if cmd.Band.Band < 1 || cmd.Band.Band > 6 {
-		return fmt.Errorf("EQ band number must be between 1 and 6")
+		return fmt.Errorf("EQ band number must be between 1 and 6, got %d", cmd.Band.Band)
 	}
 	return nil
 }

cmd/x32-cli/main.go

@@ -150,7 +150,7 @@ func (cmd *MainEqCmdGroup) Validate() error {
 	}
 
 	if cmd.Band.Band < 1 || cmd.Band.Band > 6 {
-		return fmt.Errorf("invalid EQ band number: %d. Valid range is 1-6", cmd.Band.Band)
+		return fmt.Errorf("EQ band number must be between 1 and 6, got %d", cmd.Band.Band)
 	}
 	return nil
 }

cmd/x32-cli/mainmono.go

@@ -150,7 +150,7 @@ func (cmd *MainMonoEqCmdGroup) Validate() error {
 	}
 
 	if cmd.Band.Band < 1 || cmd.Band.Band > 6 {
-		return fmt.Errorf("invalid EQ band number: %d. Valid range is 1-6", cmd.Band.Band)
+		return fmt.Errorf("EQ band number must be between 1 and 6, got %d", cmd.Band.Band)
 	}
 	return nil
 }

cmd/x32-cli/matrix.go

@@ -22,7 +22,7 @@ type MatrixCmdGroup struct {
 
 func (cmd *MatrixCmdGroup) Validate() error {
 	if cmd.Index.Index < 1 || cmd.Index.Index > 6 {
-		return fmt.Errorf("invalid Matrix output index: %d. Valid range is 1-6", cmd.Index.Index)
+		return fmt.Errorf("Matrix output index must be between 1 and 6, got %d", cmd.Index.Index)
 	}
 	return nil
 }
@@ -160,7 +160,7 @@ func (cmd *MatrixEqCmdGroup) Validate() error {
 	}
 
 	if cmd.Band.Band < 1 || cmd.Band.Band > 6 {
-		return fmt.Errorf("invalid EQ band number: %d. Valid range is 1-6", cmd.Band.Band)
+		return fmt.Errorf("EQ band number must be between 1 and 6, got %d", cmd.Band.Band)
 	}
 	return nil
 }

cmd/x32-cli/strip.go

@@ -378,7 +378,7 @@ func (cmd *StripEqCmdGroup) Validate() error {
 	}
 
 	if cmd.Band.Band < 1 || cmd.Band.Band > 4 {
-		return fmt.Errorf("EQ band number must be between 1 and 4")
+		return fmt.Errorf("EQ band number must be between 1 and 4, got %d", cmd.Band.Band)
 	}
 	return nil
 }

cmd/xair-cli/bus.go

@@ -188,7 +188,7 @@ func (cmd *BusEqCmdGroup) Validate() error {
 	}
 
 	if cmd.Band.Band < 1 || cmd.Band.Band > 6 {
-		return fmt.Errorf("EQ band number must be between 1 and 6")
+		return fmt.Errorf("EQ band number must be between 1 and 6, got %d", cmd.Band.Band)
 	}
 	return nil
 }

cmd/xair-cli/main.go

@@ -150,7 +150,7 @@ func (cmd *MainEqCmdGroup) Validate() error {
 	}
 
 	if cmd.Band.Band < 1 || cmd.Band.Band > 6 {
-		return fmt.Errorf("invalid EQ band number: %d. Valid range is 1-6", cmd.Band.Band)
+		return fmt.Errorf("EQ band number must be between 1 and 6, got %d", cmd.Band.Band)
 	}
 	return nil
 }

cmd/xair-cli/strip.go

@@ -378,7 +378,7 @@ func (cmd *StripEqCmdGroup) Validate() error {
 	}
 
 	if cmd.Band.Band < 1 || cmd.Band.Band > 4 {
-		return fmt.Errorf("EQ band number must be between 1 and 4")
+		return fmt.Errorf("EQ band number must be between 1 and 4, got %d", cmd.Band.Band)
 	}
 	return nil
 }