From 29f7bf92edf6031f8d40928514b9408cd3ec610f Mon Sep 17 00:00:00 2001
From: Matt Singleton <matt@xcolour.net>
Date: Tue, 27 Sep 2022 11:49:14 -0500
Subject: waybar indicator for when a restart is needed

---
 bin/dnf-needs-restarting | 24 ++++++++++++++++++++++++
 config/waybar/config     | 14 +++++++++++---
 config/waybar/style.css  |  4 ++++
 3 files changed, 39 insertions(+), 3 deletions(-)
 create mode 100755 bin/dnf-needs-restarting

diff --git a/bin/dnf-needs-restarting b/bin/dnf-needs-restarting
new file mode 100755
index 0000000..53932b1
--- /dev/null
+++ b/bin/dnf-needs-restarting
@@ -0,0 +1,24 @@
+#!/bin/bash
+
+set -eo pipefail
+
+if command -v dnf > /dev/null; then
+    DNFCMD="dnf"
+fi
+if command -v jq > /dev/null; then
+    JQCMD="jq"
+fi
+if [ -z "$DNFCMD" ] || [ -z "$JQCMD" ]; then
+    echo "{\"tooltip\": \"requires 'jq' and 'dnf'\", \"text\": \"\"}"
+    exit 1
+fi
+
+set -u
+
+if ! output="$($DNFCMD needs-restarting -r)"; then
+  icon="勒"
+else
+  icon=""
+fi
+
+$JQCMD --unbuffered -n -c '{tooltip: $ARGS.positional[0], text: $ARGS.positional[1]}' --args "$output" "$icon"
diff --git a/config/waybar/config b/config/waybar/config
index 4f04b34..fc238e5 100644
--- a/config/waybar/config
+++ b/config/waybar/config
@@ -6,7 +6,7 @@
         "height": 0,
         "modules-left": ["sway/workspaces", "sway/mode"],
         "modules-center": [],
-        "modules-right": ["tray", "network#wifi", "pulseaudio", "battery#bat1", "temperature", "idle_inhibitor", "clock#local"],
+        "modules-right": ["tray", "custom/reboot", "network#wifi", "pulseaudio", "battery#bat1", "temperature", "idle_inhibitor", "clock#local"],
         "sway/workspaces": {
             "format": "{icon}",
             "format-icons": {
@@ -24,7 +24,8 @@
         "temperature": {
             "critical-threshold": 80,
             "format": "{icon} {temperatureC}°C",
-            "format-icons": ["", "", "", "", ""]
+            "format-icons": ["", "", "", "", ""],
+            "tooltip": false
         },
         "battery#bat1": {
             "bat": "BAT0",
@@ -76,7 +77,14 @@
             "format-icons": {
                 "activated": "",
                 "deactivated": ""
-            }
+            },
+            "tooltip": false
+        },
+        "custom/reboot": {
+            "format": "{}",
+            "exec": "~/.local/bin/dnf-needs-restarting",
+            "return-type": "json",
+            "interval": 60
         }
     }
 ]
diff --git a/config/waybar/style.css b/config/waybar/style.css
index 6858337..ebcf4a6 100644
--- a/config/waybar/style.css
+++ b/config/waybar/style.css
@@ -56,3 +56,7 @@ label {
     background: #a32a3a;
     text-shadow: 1px 1px 0 #ae4e2a;
 }
+
+#custom-reboot {
+    color: #a32a3a;
+}
-- 
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