feat: session/desktop detection

README.md

@@ -19,6 +19,7 @@ Hyprfreeze is available in [AUR](https://aur.archlinux.org/packages/hyprfreeze-g
 - a compatible window manager (`hyprland` or `sway`) to get the PID of the active window
 - `jq` to parse json
 - `psmisc` contains 'pstree' which is required to list child processes
+- Systemd for the `loginctl` utility
   ### Optional
 - [`hyprprop`](https://github.com/vilari-mickopf/hyprprop) to get the pid of a window by selecting it with your mouse
   ### Highly Recommended

hyprfreeze

@@ -101,8 +101,23 @@ function getPidByProp() {
   debugPrint "PID by prop: $PID"
 }
 
+function detectEnvironment() {
+  local Type
+  local Desktop
+  eval "$(loginctl show-session $(loginctl | grep $(whoami) | awk '{print $1}') -p Type -p Desktop)"
+  [ -z "$Type" ] && echo "Could not determine session type via \`loginctl\`." && exit 1
+  [ -z "$Desktop" ] && echo "Could not determine desktop environment via \`loginctl\`." && exit 1
+  SESSION=$Type
+  DESKTOP=$Desktop
+}
+
 function printInfo() {
-  debugPrint "Printing process info...\n"
+  debugPrint "Printing environment info..."
+  echo -e "$(tput bold)Session type:$(tput sgr0) $SESSION"
+  echo -e "$(tput bold)Desktop:$(tput sgr0) $DESKTOP"
+  echo ""
+
+  debugPrint "Printing process info..."
   echo -e "$(tput bold)Process tree:$(tput sgr0)"
   ps -p "$PID" 2>/dev/null && pstree -p "$PID"
 
@@ -226,4 +241,6 @@ DEBUG=0
 
 args "$@"
 
+detectEnvironment
+
 main