From bc61218f922337e70c379b05d3b61ceba54b34a5 Mon Sep 17 00:00:00 2001
From: Stuart Mumford <stuart@cadair.com>
Date: Thu, 11 Mar 2021 11:22:45 +0000
Subject: [PATCH] A bash script for catching when the server is offline

---
 README.md | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index a391123..4973baf 100644
--- a/README.md
+++ b/README.md
@@ -23,6 +23,12 @@ To add the current task to Waybar, add this snippet to your config:
 }
 ```
 
+Then, add `custom/org` to `modules-left`/`modules-center`/`module-right` if your bar’s
+configuration.  You can find a minimal working configuration in the [`examples`](./examples)
+directory.
+
+### Additional Configuration
+
 You can also display an icon specific to the clocked tasks category with the `format-icons` key:
 
 ```json
@@ -62,9 +68,15 @@ If you run emacs in this mode you can also eval commands on click, middle click
 
 ```
 
-Then, add `custom/org` to `modules-left`/`modules-center`/`module-right` if your bar’s
-configuration.  You can find a minimal working configuration in the [`examples`](./examples)
-directory.
+If you want the taskbar to show nothing or some other content if the emacs server is not running then you need to write a short bash script to catch when the emacsclient command returns a non-zero exit code. An example of this is:
+
+```bash
+#!/bin/bash
+
+json=$(emacsclient --eval '(org-clock-waybar-ouptut-task)' 2> /dev/null)
+status=$?
+[ $status -eq 0 ] && echo $(echo $json | jq fromjson --unbuffered --compact-output) || echo ""
+```
 
 ## Customization