fix weather script

scripts/dracula.sh

@@ -7,8 +7,6 @@ source $current_dir/utils.sh
 
 main()
 {
-  datafile=/tmp/.dracula-tmux-data
-
   # set configuration option variables
   show_fahrenheit=$(get_tmux_option "@dracula-show-fahrenheit" true)
   show_location=$(get_tmux_option "@dracula-show-location" true)
@@ -67,11 +65,6 @@ main()
     left_sep="$show_left_sep"
   fi
 
-  # start weather script in background
-  if [[ "${plugins[@]}" =~ "weather" ]]; then
-    $current_dir/sleep_weather.sh $show_fahrenheit $show_location $fixed_location &
-  fi
-
   # Set timezone unless hidden by configuration
   case $show_timezone in
     false)
@@ -186,14 +179,8 @@ main()
       script="#($current_dir/kubernetes_context.sh $show_kubernetes_context_label)"
 
     elif [ $plugin = "weather" ]; then
-      # wait unit $datafile exists just to avoid errors
-      # this should almost never need to wait unless something unexpected occurs
-      while [ ! -f $datafile ]; do
-        sleep 0.01
-      done
-
       IFS=' ' read -r -a colors <<< $(get_tmux_option "@dracula-weather-colors" "orange dark_gray")
-      script="#(cat $datafile)"
+      script="#($current_dir/weather_wrapper.sh $show_fahrenheit $show_location $fixed_location)"
 
     elif [ $plugin = "time" ]; then
       IFS=' ' read -r -a colors <<< $(get_tmux_option "@dracula-time-colors" "dark_purple white")

scripts/sleep_weather.sh

@@ -1,48 +0,0 @@
-#!/usr/bin/env bash
-# setting the locale, some users have issues with different locales, this forces the correct one
-export LC_ALL=en_US.UTF-8
-
-#wrapper script for running weather on interval
-
-fahrenheit=$1
-location=$2
-fixedlocation=$3
-
-LOCKFILE=/tmp/.dracula-tmux-weather.lock
-DATAFILE=/tmp/.dracula-tmux-data
-
-ensure_single_process()
-{
-  # check for another running instance of this script and terminate it if found
-  [ -f $LOCKFILE ] && ps -p "$(cat $LOCKFILE)" -o cmd= | grep -F " ${BASH_SOURCE[0]}" && kill "$(cat $LOCKFILE)"
-  echo $$ > $LOCKFILE
-}
-
-main()
-{
-  ensure_single_process
-
-  current_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-
-  if [ ! -f $DATAFILE ]; then
-    printf "Loading..." > $DATAFILE
-  fi
-
-  $current_dir/weather.sh > $DATAFILE
-
-  while tmux has-session &> /dev/null
-  do
-    $current_dir/weather.sh $fahrenheit $location $fixedlocation > $DATAFILE
-    if tmux has-session &> /dev/null
-    then
-      sleep 1200
-    else
-      break
-    fi
-  done
-
-  rm $LOCKFILE
-}
-
-#run main driver function
-main

scripts/weather_wrapper.sh

@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+# setting the locale, some users have issues with different locales, this forces the correct one
+export LC_ALL=en_US.UTF-8
+
+#wrapper script for running weather on interval
+
+fahrenheit=$1
+location=$2
+fixedlocation=$3
+
+DATAFILE=/tmp/.dracula-tmux-data
+LAST_EXEC_FILE="/tmp/.dracula-tmux-weather-last-exec"
+RUN_EACH=1200
+TIME_NOW=$(date +%s)
+TIME_LAST=$(cat "${LAST_EXEC_FILE}" 2>/dev/null || echo "0")
+
+main()
+{
+  current_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+  if [ "$(expr ${TIME_LAST} + ${RUN_EACH})" -lt "${TIME_NOW}" ]; then
+    # Run weather script here
+    $current_dir/weather.sh $fahrenheit $location $fixedlocation > "${DATAFILE}"
+    echo "${TIME_NOW}" > "${LAST_EXEC_FILE}"
+  fi
+
+  cat "${DATAFILE}"
+}
+
+#run main driver function
+main