Download before removing

Remove vendor directory.
Moved removing files until after checking if wget is installed.

updater.sh

@@ -10,34 +10,37 @@
 # used code:
 # cURL github API url: https://stackoverflow.com/questions/24987542/is-there-a-link-to-github-for-downloading-a-file-in-the-latest-release-of-a-repo
 
+version=$(curl -s https://api.github.com/repos/phpservermon/phpservermon/releases/latest | grep browser_download_url | cut -d '/' -f 8)
+echo Downloading latest Version of PHPServerMonitor \($version\)
+
+downloadfile=$(curl -s https://api.github.com/repos/phpservermon/phpservermon/releases/latest | grep "zipball" | cut -d '"' -f 4)
+wget -O update.zip.keep $downloadfile
+if ! [ $? -eq 0 ]
+then
+   echo "wget not installed"
+   exit
+fi
+
 echo Save config.php 
 mv config.php config.php.keep
 echo done!
 
 # remove old files except config.php.keep
-echo remove old files
+echo Removing old files...
 find . -type f ! -iname "*.keep" -delete
-rm -rf cron/ docs/ puphpet/ src/ static/
+rm -rf cron/ docs/ puphpet/ src/ static/ vendor/
+echo OK
 
-echo Download latest Version of PHPServerMonitor
-echo latest Version is:
-curl -s https://api.github.com/repos/phpservermon/phpservermon/releases/latest | grep browser_download_url | cut -d '/' -f 8
-
-
-#Set if question whether ready to proceed update
-echo Do you want download the update and install? Y/N
-
-#extract url from latest zip file to download
-downloadfile=$(curl -s https://api.github.com/repos/phpservermon/phpservermon/releases/latest | grep "zipball" | cut -d '"' -f 4)
-
-#download latest version zip file and save it with wget as update.zip
-wget -O update.zip "$downloadfile"
+# unzip update file
+mv update.zip.keep update.zip
 unzip update.zip
 
 # move all files and directories from new created phpservermon directory, to the directory above with the native phpservermon installation
 mv phpservermon*/* .
 # remove phpservermon directory
 rm -rf phpservermon*
+# remove zip file
+rm update.zip
 # restore original config.php back from config.php.keep
 mv config.php.keep config.php
 
@@ -45,4 +48,4 @@ mv config.php.keep config.php
 php composer.phar install
 
 echo Update finished!
-echo Please check the installation
+echo Please finish the installation in your browser.