Added: new system-gpu-envycontrol script

polybar-scripts/system-gpu-envycontrol/README.md

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+# Script: system-gpu-envycontrol
+
+A script that shows the current GPU in use, given that the GPUs are managed by [envycontrol](https://github.com/bayasdev/envycontrol).
+
+The script also allows for switching GPU in one click.
+Be aware that this will log you out of your session without asking for confirmation.
+
+
+## Configuration
+
+Set `hybrid_switching` to `1` if the system switches between hybrid and nvidia.
+Otherwise the system switches between intel and nvidia.
+
+
+## Module
+
+```ini
+[module/system-gpu-optimus]
+type = custom/script
+exec = ~/polybar-scripts/system-gpu-optimus.sh
+interval = 1200
+click-right = ~/polybar-scripts/system-gpu-optimus.sh --switch
+```

polybar-scripts/system-gpu-envycontrol/system-gpu-envycontrol.sh

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+#!/bin/sh
+
+icon_intel="#1"
+icon_nvidia="#2"
+icon_hybrid="#3"
+
+hybrid_switching=0
+
+gpu_current() {
+	mode=$(envycontrol --query)
+
+    echo "$mode" 
+}
+
+gpu_switch() {
+    mode=$(gpu_current)
+
+	if [ "$mode" = "intel" ]; then
+		next="nvidia"
+	elif [ "$mode" = "nvidia" ]; then
+		if [ "$hybrid_switching" = 1 ]; then
+			next="hybrid"
+		else
+			next="intel"
+		fi
+	elif [ "$mode" = "hybrid" ]; then
+		next="nvidia"
+	fi
+
+	envycontrol --switch "$next" 
+}
+
+gpu_display(){
+    mode=$(gpu_current)
+
+    if [ "$mode" = "intel" ]; then
+		echo "$icon_intel"
+	elif [ "$mode" = "nvidia" ]; then
+		echo "$icon_nvidia"
+	elif [ "$mode" = "hybrid" ]; then
+		echo "$icon_hybrid"
+	fi
+}
+
+case "$1" in
+	--switch)
+        gpu_switch
+        ;;
+    *)
+        gpu_display
+        ;;
+esac