|  | @@ -141,15 +141,22 @@ echo "Available Branches:"
 | 
	
		
			
				|  |  |  echo "- master branch (stable updates) | default, recommended [1]"
 | 
	
		
			
				|  |  |  echo "- nightly branch (unstable updates, testing) | not-production ready [2]"
 | 
	
		
			
				|  |  |  sleep 1
 | 
	
		
			
				|  |  | -read -r -p  "Choose the Branch with it´s number [1/2] " branch
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +while [ -z "${MAILCOW_BRANCH}" ]; do
 | 
	
		
			
				|  |  | +  read -r -p  "Choose the Branch with it´s number [1/2] " branch
 | 
	
		
			
				|  |  |    case $branch in
 | 
	
		
			
				|  |  |      [2])
 | 
	
		
			
				|  |  | -      git_branch="nightly"
 | 
	
		
			
				|  |  | +      MAILCOW_BRANCH="nightly"
 | 
	
		
			
				|  |  |        ;;
 | 
	
		
			
				|  |  |      *)
 | 
	
		
			
				|  |  | -      git_branch="master"
 | 
	
		
			
				|  |  | +      MAILCOW_BRANCH="master"
 | 
	
		
			
				|  |  |      ;;
 | 
	
		
			
				|  |  |    esac
 | 
	
		
			
				|  |  | +done
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +if [ ! -z "${MAILCOW_BRANCH}" ]; then
 | 
	
		
			
				|  |  | +  git_branch=${MAILCOW_BRANCH}
 | 
	
		
			
				|  |  | +fi
 | 
	
		
			
				|  |  |  
 | 
	
		
			
				|  |  |  git fetch --all
 | 
	
		
			
				|  |  |  git checkout -f $git_branch
 | 
	
	
		
			
				|  | @@ -458,4 +465,4 @@ else
 | 
	
		
			
				|  |  |    echo '  $MAILCOW_UPDATEDAT='$(date +%s)';' >> data/web/inc/app_info.inc.php
 | 
	
		
			
				|  |  |    echo '?>' >> data/web/inc/app_info.inc.php
 | 
	
		
			
				|  |  |    echo -e "\e[33mCannot determine current git repository version...\e[0m"
 | 
	
		
			
				|  |  | -fi
 | 
	
		
			
				|  |  | +fi
 |