Add CHANGELOG + Small improvement for #563

CHANGELOG.md

@@ -2,6 +2,8 @@
 
 ## Unreleased
 
+- Add `interactive: true` setting to improve support for interactive CLI apps
+  ([#217](https://github.com/go-task/task/issues/217), [#563](https://github.com/go-task/task/pull/563)).
 - Fix some `nil` errors
   ([#534](https://github.com/go-task/task/issues/534), [#573](https://github.com/go-task/task/pull/573)).
 - Add ability to declare an included Taskfile as optional

docs/usage.md

@@ -950,6 +950,28 @@ $ task default
 
 > The `output` option can also be specified by the `--output` or `-o` flags.
 
+## Interactive CLI application
+
+When running interactive CLI applications inside Task they can sometimes behave
+weirdly, specially when the [output mode](#output-syntax) is set to something
+other than `interleaved` (the default), or when interactive apps are ran in
+parallel with other tasks.
+
+The `interactive: true` tells Task this is an interactive application, and Task
+will try to optimize for it:
+
+```yaml
+version: '3'
+
+tasks:
+  cmds:
+    - vim my-file.txt
+  interactive: true
+```
+
+If you still have problem running an interactive app through Task, please open
+an issue about it.
+
 ## Short task syntax
 
 Starting on Task v3, you can now write tasks with a shorter syntax if they

task.go

@@ -415,13 +415,12 @@ func (e *Executor) runCommand(ctx context.Context, t *taskfile.Task, call taskfi
 			return nil
 		}
 
-		stdOut := e.Output.WrapWriter(e.Stdout, t.Prefix)
+		outputWrapper := e.Output
-		stdErr := e.Output.WrapWriter(e.Stderr, t.Prefix)
-
 		if t.Interactive {
-			stdOut = output.Interleaved{}.WrapWriter(e.Stdout, t.Prefix)
+			outputWrapper = output.Interleaved{}
-			stdErr = output.Interleaved{}.WrapWriter(e.Stderr, t.Prefix)
 		}
+		stdOut := outputWrapper.WrapWriter(e.Stdout, t.Prefix)
+		stdErr := outputWrapper.WrapWriter(e.Stderr, t.Prefix)
 
 		defer func() {
 			if _, ok := stdOut.(*os.File); !ok {