Ensure that errors from interop are of type interp.ExitStatus.

internal/execext/coreutils.go

@@ -7,14 +7,14 @@ import (
 	"github.com/go-task/task/v3/internal/env"
 )
 
-var useGoCoreUtils bool
+var UseGoCoreUtils bool
 
 func init() {
 	// If TASK_CORE_UTILS is set to either true or false, respect that.
 	// By default, enable on Windows only.
 	if v, err := strconv.ParseBool(env.GetTaskEnv("CORE_UTILS")); err == nil {
-		useGoCoreUtils = v
+		UseGoCoreUtils = v
 	} else {
-		useGoCoreUtils = runtime.GOOS == "windows"
+		UseGoCoreUtils = runtime.GOOS == "windows"
 	}
 }

internal/execext/exec.go

@@ -144,7 +144,7 @@ func ExpandFields(s string) ([]string, error) {
 }
 
 func execHandlers() (handlers []func(next interp.ExecHandlerFunc) interp.ExecHandlerFunc) {
-	if useGoCoreUtils {
+	if UseGoCoreUtils {
 		handlers = append(handlers, coreutils.ExecHandler)
 	}
 	return handlers

task.go

@@ -355,10 +355,19 @@ func (e *Executor) runCommand(ctx context.Context, t *ast.Task, call *Call, i in
 		if closeErr := closer(err); closeErr != nil {
 			e.Logger.Errf(logger.Red, "task: unable to close writer: %v\n", closeErr)
 		}
-		var exitCode interp.ExitStatus
-		if errors.As(err, &exitCode) && cmd.IgnoreError {
-			e.Logger.VerboseErrf(logger.Yellow, "task: [%s] command error ignored: %v\n", t.Name(), err)
-			return nil
+		if err != nil {
+			var exitCode interp.ExitStatus
+			if !errors.As(err, &exitCode) {
+				if execext.UseGoCoreUtils {
+					// Convert the err from CoreUtil to an interp.ExitStatus.
+					e.Logger.Errf(logger.Default, "%v\n", err)
+				}
+				err = interp.ExitStatus(1)
+			}
+			if cmd.IgnoreError {
+				e.Logger.VerboseErrf(logger.Yellow, "task: [%s] command error ignored: %v\n", t.Name(), err)
+				return nil
+			}
 		}
 		return err
 	default: