Add CHANGELOG entry for #1022

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+- Add ability to set `error_only: true` on the `group` output mode. This will
+  instruct Task to only print a command output if it returned with a non-zero
+  exit code
+  ([#664](https://github.com/go-task/task/issues/664), [#1022](https://github.com/go-task/task/pull/1022) by @jaedle).
 - Fixed bug where `.task/checksum` file was sometimes not being created when
   task also declares a `status:`
   ([#840](https://github.com/go-task/task/issues/840), [#1035](https://github.com/go-task/task/pull/1035) by @harelwa, [#1037](https://github.com/go-task/task/pull/1037) by @pd93).

task.go

@@ -293,11 +293,9 @@ func (e *Executor) runCommand(ctx context.Context, t *taskfile.Task, call taskfi
 			Stdout:    stdOut,
 			Stderr:    stdErr,
 		})
-		defer func() {
-			if err := close(err); err != nil {
-				e.Logger.Errf(logger.Red, "task: unable to close writer: %v", err)
-			}
-		}()
+		if closeErr := close(err); closeErr != nil {
+			e.Logger.Errf(logger.Red, "task: unable to close writer: %v", closeErr)
+		}
 		if execext.IsExitError(err) && cmd.IgnoreError {
 			e.Logger.VerboseErrf(logger.Yellow, "task: [%s] command error ignored: %v", t.Name(), err)
 			return nil