fix file watching for real

last file watching update didn’t work well enough. This now
- rips out barbary watch service as it seems buggy crashing the jvm
- make cbt exclusively write files to watch to a file
- uses fswatch instead watching all files in that file

1 files changed, 7 insertions, 1 deletions

diff --git a/README.md b/README.md
index 205cc6e..cad92c9 100644
--- a/README.md
+++ b/README.md
@@ -203,7 +203,8 @@ As you can see it prints `asdf`. Adding tasks is that easy.
 
 ### Triggering tasks on file-changes
 
-When you call a task, you can prefix it with `loop`.
+When you call a task, you can prefix it with `loop`. You need to
+have fswatch install (e.g. via `brew install fswatch`).
 CBT then watches the source files, the build files and even CBT's own
 source code and re-runs the task when anything changes. If necessary,
 this forces CBT to re-build itself, the project's dependencies and the project itself.
@@ -220,6 +221,11 @@ you managed to change windows back from your editor to the shell.
 
 Try changing the build file and see how CBT reacts to it as well.
 
+To also clear the screen on each run use:
+```
+$ cbt loop clear run
+```
+
 ### Adding tests
 
 The simplest way to add tests is putting a few assertions into the previously