add nix-based run-script

nix-bot-run.sh

@@ -0,0 +1,116 @@
+#! /usr/bin/env nix-shell
+#! nix-shell -i bash -p bash python312Packages.wikipedia python312Packages.requests
+
+# Directory of the virtual environment
+#VENV="./FaustBotVEnv"
+
+venv() {
+  :
+}
+
+help() {
+  echo "Simple script to manage a single faust-bot instance."
+  echo "  -h  displays this help message"
+  echo "  -s  starts the bot, if it is not running yet"
+  echo "  -e  exits/stops the bot"
+  echo "  -r  restarts the bot"
+  echo "  -u  updates the bots code"
+}
+
+start() {
+  venv
+  echo "[=== checking if bot is already running "
+  if [ -f ".pid" ]; then
+    echo "[=== bot is already running "
+    echo "[=== aborting start "
+  else
+    echo "[=== bot is not running "
+    echo "[=== check if out.txt exists "
+    if [ -f "out.txt" ]; then
+      echo "[=== removing existing out.txt "
+      rm out.txt
+    else
+      echo "[=== no out.txt found "
+    fi
+    echo "[=== checking if database already exists "
+    if [ -f "faust_bot.db" ]; then
+      echo "[=== database already exists "
+    else
+      echo "[=== no database "
+      echo "[=== preparing database "
+      python ReadInternationalization.py
+    fi
+    echo "[=== starting faust-bot "
+    echo "[=== redirecting output to nohup.out "
+    nohup python -u Main.py --config config.txt >out.txt &
+    echo "[=== pid of bot process can be found in .pid "
+    echo $! >.pid
+  fi
+}
+
+stop() {
+  echo "[=== checking if bot is running "
+  if [ ! -f ".pid" ]; then
+    echo "[=== bot is not running "
+  else
+    echo "[=== bot is running "
+    echo "[=== killing bot process "
+    kill "$(cat .pid)"
+    echo "[=== removing .pid file "
+    rm .pid
+  fi
+}
+
+update() {
+  echo "[=== stopping the bot to update it "
+  stop
+  echo "[=== stashing local changes "
+  git stash --all
+  echo "[=== update the code "
+  git pull origin main
+  echo "[=== reapply done local changes "
+  git stash pop
+  echo "[=== restarting bot instance "
+  start
+}
+
+clean() {
+  echo "[=== cleaning files "
+  echo "[=== stopping the bot "
+  stop
+  echo "[=== removing output file "
+  rm out.txt
+  echo "[=== removing venv "
+  rm -rf $VENV
+}
+
+OPTIND=1
+
+while getopts "hseruc" opt; do
+  case $opt in
+  h)
+    help
+    exit
+    ;;
+  s)
+    start
+    ;;
+  e)
+    stop
+    ;;
+  r)
+    stop
+    start
+    ;;
+  u)
+    update
+    ;;
+  c)
+    clean
+    ;;
+  \?)
+    echo "Invalid option: -$OPTARG" >&2
+    help
+    ;;
+  esac
+done