system-info: Enable CPU load and battery icon on macOS

system-info/system-info-WSL.sh

@@ -36,9 +36,9 @@ while true; do
     "(Get-WmiObject win32_battery).EstimatedChargeRemaining" \
     | sed 's/\r//')
   if [ "" != "$raw_battery" ]; then
-    battery="$(printf "%3d%%" "$raw_battery") $(echo $raw_battery | \
-      awk '$raw_battery ~ /.*/ { printf "%s\n", \
-        substr("", int($raw_battery / 9), 1) }')"
+    battery="$(echo $raw_battery | awk '$battery ~ /.*/ {
+      printf "%3d%% %s\n", $battery, substr("", int($battery / 9), 1)
+    }')"
   fi
 
   echo "$cpu_temp$cpu_load$battery" > $cache_file

system-info/system-info-macOS.sh

@@ -17,13 +17,27 @@ ioreg -w0 -l | grep BatteryInstalled &> /dev/null && \
   has_battery=true || has_battery=false
 
 while true; do
-  # Get the current CPU temperature.
-  cpu_temp="`/usr/local/bin/osx-cpu-temp`"
+  # # Get the current CPU temperature.
+  # cpu_temp="`/usr/local/bin/osx-cpu-temp`"
+
+  cpu_load=$(sudo powermetrics --format text \
+      --sample-rate 1200 --sample-count 1 --samplers cpu_power |
+    grep --color=never -E 'CPU \d idle residency:' |
+    grep --color=never -Eo '\d+\.\d+' |
+    gawk '$idle ~ /[-.0-9]*/ { printf "%s", substr("█▇▆▅▄▃▂▁ ", int($idle / 10), 1) }'
+  )
+
   # Parse the current battery charge percentage.
-  $has_battery && \
-    battery=" `pmset -g batt | grep --color=never -Eo '\d+%'` ↯"
+  if $has_battery; then
+    raw_battery="$(pmset -g batt | \
+      grep --color=never 'InternalBattery' | \
+      grep --color=never -Eo '\d+%' | \
+      grep --color=never -Eo '\d+')"
+    battery="$(echo $raw_battery | gawk '$battery ~ /.*/ {
+      printf "%3d%% %s\n", $battery, substr("", int($battery / 9), 1)
+    }')"
+  fi
+
   # Write to the cache file.
-  echo "$cpu_temp$battery" > $cache_file
-  # Don't spin, sleep instead.
-  sleep 2
+  echo "$cpu_temp$cpu_load$battery" > $cache_file
 done