M src/battery/battery.c → src/battery/battery.c

@@ -408,8 +408,8 @@ battery_full_cmd_sent = FALSE;
     }
 
     if (!battery_blink_timer.enabled_) {
-        if (battery_state.percentage < battery_low_status &&
-            battery_state.state == BATTERY_DISCHARGING) {
+        if ((battery_state.percentage < battery_low_status &&
+            battery_state.state == BATTERY_DISCHARGING) || debug_blink) {
             change_timer(&battery_blink_timer, true, 10, 1000, blink_battery, 0);
             battery_warn = TRUE;
         }

M src/init.c → src/init.c

@@ -107,6 +107,7 @@ debug_dnd = getenv("DEBUG_DND") != NULL;
     debug_thumbnails = getenv("DEBUG_THUMBNAILS") != NULL;
     debug_timers = getenv("DEBUG_TIMERS") != NULL;
     debug_executors = getenv("DEBUG_EXECUTORS") != NULL;
+    debug_blink = getenv("DEBUG_BLINK") != NULL;
     thumb_use_shm = getenv("TINT2_THUMBNAIL_SHM") != NULL;
     if (debug_fps) {
         init_fps_distribution();

M src/panel.c → src/panel.c

@@ -60,7 +60,7 @@ gboolean debug_geometry;
 gboolean debug_gradients;
 gboolean startup_notifications;
 gboolean debug_thumbnails;
-
+gboolean debug_blink;
 gboolean panel_autohide;
 int panel_autohide_show_timeout;
 int panel_autohide_hide_timeout;

M src/panel.h → src/panel.h

@@ -99,6 +99,7 @@ extern gboolean debug_thumbnails;
 extern double ui_scale_dpi_ref;
 extern double ui_scale_monitor_size_ref;
 extern gboolean thumb_use_shm;
+extern gboolean debug_blink;
 
 typedef struct Panel {
     Area area;