Merge pull request #1 from bakerboy448/patch-1

add update script to nix docs

Nix-Installation.md

@@ -25,11 +25,45 @@ cp config.yml.sample config.yml
 nano -e config.yml
 ```
 
-* Updating
+* Create the update script
 
 ```bash
-wget -O - https://github.com/StuffAnThings/qbit_manage/archive/master.tar.gz | tar xz --strip=1 "qbit_manage-master"
+nano qbm-update.sh
-chmod +x qbit_manage.py
+```
-pip install -r requirements.txt
+
-diff -ui config/config.yml config/config.yml.sample
+* Paste the below into the update script and update the Paths and Service Name (if using systemd)
+
+```bash
+#!/bin/bash
+
+qbmPath="/home/bakerboy448/QbitManage"
+qbmVenvPath="$qbmPath"/"qbit-venv/"
+qbmServiceName="qbm"
+cd "$qbmPath" || exit
+currentVersion=$(cat VERSION)
+branch=$(git rev-parse --abbrev-ref HEAD)
+git fetch
+if [ "$(git rev-parse HEAD)" = "$(git rev-parse @'{u}')" ]; then
+    echo "=== Already up to date $currentVersion on $branch ==="
+    exit 0
+fi
+git pull
+newVersion=$(cat VERSION)
+"$qbmVenvPath"/bin/python -m pip install -r requirements.txt
+echo "=== Updated from $currentVersion to $newVersion on $branch ==="
+echo "=== Restarting qbm Service ==="
+sudo systemctl restart "$qbmServiceName"
+exit 0
+```
+
+* Make the update script executable
+
+```bash
+chmod +x qbm-update.sh
+```
+
+* Run the update script
+
+```bash
+./qbm-update.sh
 ```