From e0fff5e52903f66a47c402f6956c170b37f6fff9 Mon Sep 17 00:00:00 2001
From: szaimen <szaimen@e.mail.de>
Date: Wed, 27 May 2020 18:32:57 +0200
Subject: [PATCH] update lib.sh to change variables to functions (#1247)

---
 apps/collabora.sh                 | 13 ++---
 apps/fail2ban.sh                  |  6 +-
 apps/fulltextsearch.sh            | 10 ++--
 apps/onlyoffice.sh                |  6 +-
 apps/talk.sh                      | 14 +++--
 lets-encrypt/activate-tls.sh      |  8 +--
 lib.sh                            | 91 +++++++++++++++++++------------
 nextcloud-startup-script.sh       | 25 +++++----
 nextcloud_install_production.sh   |  7 +--
 nextcloud_update.sh               | 16 +++---
 static/change_db_pass.sh          |  6 +-
 static/nextcloud_configuration.sh |  6 +-
 static/static_ip.sh               | 14 +++--
 static/updatenotification.sh      |  6 +-
 14 files changed, 132 insertions(+), 96 deletions(-)

diff --git a/apps/collabora.sh b/apps/collabora.sh
index cd193428ea..0f7cc7d260 100644
--- a/apps/collabora.sh
+++ b/apps/collabora.sh
@@ -71,13 +71,13 @@ then
                     count=$((count+1))
                 fi
             done
-            
+
             msg_box "Collabora was successfully uninstalled."
             exit
         ;;
         "Reinstall Collabora")
             print_text_in_color "$ICyan" "Reinstalling Collabora..."
-            
+
             # Check if Collabora is previously installed
             # If yes, then stop and prune the docker container
             docker_prune_this 'collabora/code'
@@ -138,12 +138,9 @@ then
     occ_command app:remove onlyoffice
 fi
 
-# shellcheck disable=2034,2059
-true
-# shellcheck source=lib.sh
-NC_UPDATE=1 && COLLABORA_INSTALL=1 . <(curl -sL https://raw.githubusercontent.com/nextcloud/vm/master/lib.sh)
-unset NC_UPDATE
-unset COLLABORA_INSTALL
+# Get needed variables
+nc_update
+collabora_install
 
 # Notification
 msg_box "Before you start, please make sure that port 80+443 is directly forwarded to this machine!"
diff --git a/apps/fail2ban.sh b/apps/fail2ban.sh
index b4b93b7925..78148077bf 100644
--- a/apps/fail2ban.sh
+++ b/apps/fail2ban.sh
@@ -6,8 +6,10 @@
 # shellcheck disable=2034,2059
 true
 # shellcheck source=lib.sh
-NC_UPDATE=1 . <(curl -sL https://raw.githubusercontent.com/nextcloud/vm/master/lib.sh)
-unset NC_UPDATE
+. <(curl -sL https://raw.githubusercontent.com/nextcloud/vm/master/lib.sh)
+
+# Get needed variables
+nc_update
 
 # Check for errors + debug code and abort if something isn't right
 # 1 = ON
diff --git a/apps/fulltextsearch.sh b/apps/fulltextsearch.sh
index 30d66e9ca6..e7fcc6bd2c 100644
--- a/apps/fulltextsearch.sh
+++ b/apps/fulltextsearch.sh
@@ -6,10 +6,12 @@
 # shellcheck disable=2034,2059
 true
 # shellcheck source=lib.sh
-NCDB=1 && NC_UPDATE=1 && ES_INSTALL=1 . <(curl -sL https://raw.githubusercontent.com/nextcloud/vm/master/lib.sh)
-unset NC_UPDATE
-unset ES_INSTALL
-unset NCDB
+. <(curl -sL https://raw.githubusercontent.com/nextcloud/vm/master/lib.sh)
+
+# Get needed variables
+ncdb
+nc_update
+es_install
 
 # Check for errors + debug code and abort if something isn't right
 # 1 = ON
diff --git a/apps/onlyoffice.sh b/apps/onlyoffice.sh
index 74fdb52e58..28b4796de1 100644
--- a/apps/onlyoffice.sh
+++ b/apps/onlyoffice.sh
@@ -5,8 +5,10 @@
 # shellcheck disable=2034,2059
 true
 # shellcheck source=lib.sh
-NC_UPDATE=1 . <(curl -sL https://raw.githubusercontent.com/nextcloud/vm/master/lib.sh)
-unset NC_UPDATE
+. <(curl -sL https://raw.githubusercontent.com/nextcloud/vm/master/lib.sh)
+
+# Get needed variables
+nc_update
 
 # Check for errors + debug code and abort if something isn't right
 # 1 = ON
diff --git a/apps/talk.sh b/apps/talk.sh
index 83833f86af..eef5c2f901 100644
--- a/apps/talk.sh
+++ b/apps/talk.sh
@@ -5,9 +5,11 @@
 # shellcheck disable=2034,2059
 true
 # shellcheck source=lib.sh
-NC_UPDATE=1 && TURN_INSTALL=1 . <(curl -sL https://raw.githubusercontent.com/nextcloud/vm/master/lib.sh)
-unset NC_UPDATE
-unset TURN_INSTALL
+. <(curl -sL https://raw.githubusercontent.com/nextcloud/vm/master/lib.sh)
+
+# Get needed variables
+nc_update
+turn_install
 
 # Check for errors + debug code and abort if something isn't right
 # 1 = ON
@@ -37,7 +39,7 @@ then
     choice=$(whiptail --radiolist "It seems like 'Nextcloud Talk' is already installed.\nChoose what you want to do.\nSelect by pressing the spacebar and ENTER" "$WT_HEIGHT" "$WT_WIDTH" 4 \
     "Uninstall Nextcloud Talk" "" OFF \
     "Reinstall Nextcloud Talk" "" ON 3>&1 1>&2 2>&3)
-    
+
     case "$choice" in
         "Uninstall Nextcloud Talk")
             print_text_in_color "$ICyan" "Uninstalling Nextcloud Talk and resetting all settings..."
@@ -85,8 +87,8 @@ NONO_PORTS=(22 25 53 80 443 3306 5432 7983 8983 10000)
 msg_box "The default port for Talk used in this script is port $TURN_PORT.
 You can read more about that port here: https://www.speedguide.net/port.php?port=$TURN_PORT
 
-You will now be given the option to change this port to something of your own. 
-Please keep in mind NOT to use the following ports as they are likley to be in use already: 
+You will now be given the option to change this port to something of your own.
+Please keep in mind NOT to use the following ports as they are likley to be in use already:
 ${NONO_PORTS[*]}"
 
 if [[ "yes" == $(ask_yes_or_no "Do you want to change port?") ]]
diff --git a/lets-encrypt/activate-tls.sh b/lets-encrypt/activate-tls.sh
index 20d2665489..dddbbaf8c3 100644
--- a/lets-encrypt/activate-tls.sh
+++ b/lets-encrypt/activate-tls.sh
@@ -62,12 +62,8 @@ fi
 
 while true
 do
-print_text_in_color "$ICyan" "Updating lib.sh..."
-# shellcheck disable=2034,2059
-true
-# shellcheck source=lib.sh
-TLS_INSTALL=1 . <(curl -sL https://raw.githubusercontent.com/nextcloud/vm/master/lib.sh)
-unset TLS_INSTALL
+# Get needed variables
+tls_install
 
 # Ask for domain name
 echo
diff --git a/lib.sh b/lib.sh
index e10881b41e..958381674d 100644
--- a/lib.sh
+++ b/lib.sh
@@ -35,13 +35,19 @@ gen_passwd() {
 DISTRO=$(lsb_release -sr)
 KEYBOARD_LAYOUT=$(localectl status | grep "Layout" | awk '{print $3}')
 # Network
-[ -n "$FIRST_IFACE" ] && IFACE=$(lshw -c network | grep "logical name" | awk '{print $3; exit}')
+first_iface() {
+IFACE=$(lshw -c network | grep "logical name" | awk '{print $3; exit}')
+}
+[ -n "$FIRST_IFACE" ] && first_iface && unset FIRST_IFACE
 IFACE2=$(ip -o link show | awk '{print $2,$9}' | grep 'UP' | cut -d ':' -f 1)
 REPO=$(grep deb-src /etc/apt/sources.list | grep http | awk '{print $3}' | head -1)
 ADDRESS=$(hostname -I | cut -d ' ' -f 1)
 # WANIP4=$(dig +short myip.opendns.com @resolver1.opendns.com) # as an alternative
 WANIP4=$(curl -s -k -m 5 https://ipv4bot.whatismyipaddress.com)
-[ -n "$LOAD_IP6" ] && WANIP6=$(curl -s -k -m 5 https://ipv6bot.whatismyipaddress.com)
+load_ip6() {
+WANIP6=$(curl -s -k -m 5 https://ipv6bot.whatismyipaddress.com)
+}
+[ -n "$LOAD_IP6" ] && load_ip6 && unset LOAD_IP6
 INTERFACES="/etc/netplan/01-netcfg.yaml"
 GATEWAY=$(ip route | grep default | awk '{print $3}')
 DNS1="9.9.9.9"
@@ -63,26 +69,41 @@ ROOT_PROFILE="/root/.bash_profile"
 SHUF=$(shuf -i 25-29 -n 1)
 PGDB_PASS=$(gen_passwd "$SHUF" "a-zA-Z0-9@#*=")
 NEWPGPASS=$(gen_passwd "$SHUF" "a-zA-Z0-9@#*=")
-[ -n "$NCDB" ] && NCCONFIGDB=$(grep "dbname" $NCPATH/config/config.php | awk '{print $3}' | sed "s/[',]//g")
-[ -n "$NCDBPASS" ] && NCCONFIGDBPASS=$(grep "dbpassword" $NCPATH/config/config.php | awk '{print $3}' | sed "s/[',]//g")
+ncdb() {
+NCCONFIGDB=$(grep "dbname" $NCPATH/config/config.php | awk '{print $3}' | sed "s/[',]//g")
+}
+[ -n "$NCDB" ] && ncdb && unset NCDB
+ncdbpass() {
+NCCONFIGDBPASS=$(grep "dbpassword" $NCPATH/config/config.php | awk '{print $3}' | sed "s/[',]//g")
+}
+[ -n "$NCDBPASS" ] && ncdbpass && unset NCDBPASS
 # Path to specific files
 SECURE="$SCRIPTS/setup_secure_permissions_nextcloud.sh"
 # Nextcloud version
-[ -n "$NC_UPDATE" ] && CURRENTVERSION=$(sudo -u www-data php $NCPATH/occ status | grep "versionstring" | awk '{print $3}')
-[ -n "$NC_UPDATE" ] && NCVERSION=$(curl -s -m 900 $NCREPO/ | sed --silent 's/.*href="nextcloud-\([^"]\+\).zip.asc".*/\1/p' | sort --version-sort | tail -1)
-[ -n "$NC_UPDATE" ] && STABLEVERSION="nextcloud-$NCVERSION"
-[ -n "$NC_UPDATE" ] && NCMAJOR="${NCVERSION%%.*}"
-[ -n "$NC_UPDATE" ] && NCBAD=$((NCMAJOR-2))
+nc_update() {
+CURRENTVERSION=$(sudo -u www-data php $NCPATH/occ status | grep "versionstring" | awk '{print $3}')
+NCVERSION=$(curl -s -m 900 $NCREPO/ | sed --silent 's/.*href="nextcloud-\([^"]\+\).zip.asc".*/\1/p' | sort --version-sort | tail -1)
+STABLEVERSION="nextcloud-$NCVERSION"
+NCMAJOR="${NCVERSION%%.*}"
+NCBAD=$((NCMAJOR-2))
+}
+[ -n "$NC_UPDATE" ] && nc_update && unset NC_UPDATE
 # Set the hour for automatic updates. This would be 18:00 as only the hour is configurable.
 AUT_UPDATES_TIME="18"
 # Keys
 OpenPGP_fingerprint='28806A878AE423A28372792ED75899B9A724937A'
 # Collabora Docker URL (collabora.sh
-[ -n "$COLLABORA_INSTALL" ] && SUBDOMAIN=$(whiptail --title "T&M Hansson IT - Collabora" --inputbox "Collabora subdomain eg: office.yourdomain.com\n\nNOTE: This domain must be different than your Nextcloud domain. They can however be hosted on the same server, but would require seperate DNS entries." "$WT_HEIGHT" "$WT_WIDTH" 3>&1 1>&2 2>&3)
+collabora_install() {
+SUBDOMAIN=$(whiptail --title "T&M Hansson IT - Collabora" --inputbox "Collabora subdomain eg: office.yourdomain.com\n\nNOTE: This domain must be different than your Nextcloud domain. They can however be hosted on the same server, but would require seperate DNS entries." "$WT_HEIGHT" "$WT_WIDTH" 3>&1 1>&2 2>&3)
 # Nextcloud Main Domain (collabora.sh)
-[ -n "$COLLABORA_INSTALL" ] && NCDOMAIN=$(whiptail --title "T&M Hansson IT - Collabora" --inputbox "Nextcloud domain, make sure it looks like this: cloud\\.yourdomain\\.com" "$WT_HEIGHT" "$WT_WIDTH" cloud\\.yourdomain\\.com 3>&1 1>&2 2>&3)
+NCDOMAIN=$(whiptail --title "T&M Hansson IT - Collabora" --inputbox "Nextcloud domain, make sure it looks like this: cloud\\.yourdomain\\.com" "$WT_HEIGHT" "$WT_WIDTH" cloud\\.yourdomain\\.com 3>&1 1>&2 2>&3)
+}
+[ -n "$COLLABORA_INSTALL" ] && collabora_install && unset COLLABORA_INSTALL
 # Nextcloud Main Domain (activate-tls.sh)
-[ -n "$TLS_INSTALL" ] && TLSDOMAIN=$(whiptail --title "T&M Hansson IT - Let's Encrypt" --inputbox "Please enter the domain name you will use for Nextcloud.\n\nMake sure it looks like this:\nyourdomain.com, or cloud.yourdomain.com" "$WT_HEIGHT" "$WT_WIDTH" cloud.yourdomain.com 3>&1 1>&2 2>&3)
+tls_install() {
+TLSDOMAIN=$(whiptail --title "T&M Hansson IT - Let's Encrypt" --inputbox "Please enter the domain name you will use for Nextcloud.\n\nMake sure it looks like this:\nyourdomain.com, or cloud.yourdomain.com" "$WT_HEIGHT" "$WT_WIDTH" cloud.yourdomain.com 3>&1 1>&2 2>&3)
+}
+[ -n "$TLS_INSTALL" ] && tls_install && unset TLS_INSTALL
 # Letsencrypt
 SITES_AVAILABLE="/etc/apache2/sites-available"
 LETSENCRYPTPATH="/etc/letsencrypt"
@@ -112,17 +133,22 @@ SPAMHAUS=/etc/spamhaus.wl
 ENVASIVE=/etc/apache2/mods-available/mod-evasive.load
 APACHE2=/etc/apache2/apache2.conf
 # Full text Search
-[ -n "$ES_INSTALL" ] && INDEX_USER=$(gen_passwd "$SHUF" '[:lower:]')
-[ -n "$ES_INSTALL" ] && ROREST=$(gen_passwd "$SHUF" "A-Za-z0-9")
-[ -n "$ES_INSTALL" ] && nc_fts="ark74/nc_fts"
-[ -n "$ES_INSTALL" ] && fts_es_name="fts_esror"
+es_install() {
+INDEX_USER=$(gen_passwd "$SHUF" '[:lower:]')
+ROREST=$(gen_passwd "$SHUF" "A-Za-z0-9")
+nc_fts="ark74/nc_fts"
+fts_es_name="fts_esror"
+}
+[ -n "$ES_INSTALL" ] && es_install && unset ES_INSTALL
 # Talk
-[ -n "$TURN_INSTALL" ] && TURN_CONF="/etc/turnserver.conf"
-[ -n "$TURN_INSTALL" ] && TURN_PORT=5349
-[ -n "$TURN_INSTALL" ] && TURN_DOMAIN=$(sudo -u www-data /var/www/nextcloud/occ config:system:get overwrite.cli.url | sed 's#https://##;s#/##')
-[ -n "$TURN_INSTALL" ] && SHUF=$(shuf -i 25-29 -n 1)
-[ -n "$TURN_INSTALL" ] && TURN_SECRET=$(gen_passwd "$SHUF" "a-zA-Z0-9@#*=")
-
+turn_install() {
+TURN_CONF="/etc/turnserver.conf"
+TURN_PORT=5349
+TURN_DOMAIN=$(sudo -u www-data /var/www/nextcloud/occ config:system:get overwrite.cli.url | sed 's#https://##;s#/##')
+SHUF=$(shuf -i 25-29 -n 1)
+TURN_SECRET=$(gen_passwd "$SHUF" "a-zA-Z0-9@#*=")
+}
+[ -n "$TURN_INSTALL" ] && turn_install && unset TURN_INSTALL
 
 ## FUNCTIONS
 
@@ -790,8 +816,7 @@ download_verify_nextcloud_stable() {
 while [ -z "$NCVERSION" ]
 do
     print_text_in_color "$ICyan" "Fetching the latest Nextcloud version..."
-    NCVERSION=$(curl -s -m 900 $NCREPO/ | sed --silent 's/.*href="nextcloud-\([^"]\+\).zip.asc".*/\1/p' | sort --version-sort | tail -1)
-    STABLEVERSION="nextcloud-$NCVERSION"
+    nc_update
     print_text_in_color "$IGreen" "$NCVERSION"
 done
 
@@ -940,11 +965,9 @@ any_key() {
 }
 
 lowest_compatible_nc() {
-if [ -z "$NC_UPDATE" ]
+if [ -z "$CURRENTVERSION" ]
 then
-# shellcheck source=lib.sh
-NC_UPDATE=1 . <(curl -sL $GITHUB_REPO/lib.sh)
-unset NC_UPDATE
+    nc_update
 fi
 if [ "${CURRENTVERSION%%.*}" -lt "$1" ]
 then
@@ -980,11 +1003,9 @@ fi
 
 # Check new version
 # shellcheck source=lib.sh
-if [ -z "$NC_UPDATE" ]
+if [ -z "$CURRENTVERSION" ]
 then
-# shellcheck source=lib.sh
-NC_UPDATE=1 . <(curl -sL $GITHUB_REPO/lib.sh)
-unset NC_UPDATE
+    nc_update
 fi
 if [ "${CURRENTVERSION%%.*}" -ge "$1" ]
 then
@@ -1123,11 +1144,9 @@ printf "%b%s%b\n" "$1" "$2" "$Color_Off"
 # 2 = repository
 # Nextcloud version
 git_apply_patch() {
-if [ -z "$NC_UPDATE" ]
+if [ -z "$CURRENTVERSION" ]
 then
-# shellcheck source=lib.sh
-NC_UPDATE=1 . <(curl -sL $GITHUB_REPO/lib.sh)
-unset NC_UPDATE
+    nc_update
 fi
 if [[ "$CURRENTVERSION" = "$3" ]]
 then
diff --git a/nextcloud-startup-script.sh b/nextcloud-startup-script.sh
index 18b46d31f6..fb1353781f 100644
--- a/nextcloud-startup-script.sh
+++ b/nextcloud-startup-script.sh
@@ -42,17 +42,23 @@ then
 # shellcheck disable=2034,2059
 true
 # shellcheck source=lib.sh
-NCDB=1 && FIRST_IFACE=1 source /var/scripts/lib.sh
-unset NCDB
-unset FIRST_IFACE
+source /var/scripts/lib.sh
+
+# Get needed variables
+ncdb
+first_iface
+
  # If we have internet, then use the latest variables from the lib remote file
 elif print_text_in_color "$ICyan" "Testing internet connection..." && ping github.com -c 2
 then
 true
 # shellcheck source=lib.sh
-NCDB=1 && FIRST_IFACE=1 . <(curl -sL https://raw.githubusercontent.com/nextcloud/vm/master/lib.sh)
-unset FIRST_IFACE
-unset NCDB
+. <(curl -sL https://raw.githubusercontent.com/nextcloud/vm/master/lib.sh)
+
+# Get needed variables
+ncdb
+first_iface
+
 else
     print_text_in_color "$IRed" "You don't seem to have a working internet connection, and /var/scripts/lib.sh is missing so you can't run this script."
     print_text_in_color "$ICyan" "Please report this to https://github.com/nextcloud/vm/issues/"
@@ -131,10 +137,9 @@ Please also post this issue on: https://github.com/nextcloud/vm/issues"
     exit 1
 fi
 
-# shellcheck source=lib.sh
-NCDB=1 && NC_UPDATE=1 . <(curl -sL https://raw.githubusercontent.com/nextcloud/vm/master/lib.sh)
-unset NC_UPDATE
-unset NCDB
+# Get needed variables
+ncdb
+nc_update
 
 # Check for errors + debug code and abort if something isn't right
 # 1 = ON
diff --git a/nextcloud_install_production.sh b/nextcloud_install_production.sh
index 76fd090c7b..51496278f4 100644
--- a/nextcloud_install_production.sh
+++ b/nextcloud_install_production.sh
@@ -50,11 +50,8 @@ else
     apt install whiptail -y
 fi
 
-# shellcheck disable=2034,2059
-true
-# shellcheck source=lib.sh
-FIRST_IFACE=1 . <(curl -sL https://raw.githubusercontent.com/nextcloud/vm/master/lib.sh)
-unset FIRST_IFACE
+# Get needed variables
+first_iface
 
 # Check for errors + debug code and abort if something isn't right
 # 1 = ON
diff --git a/nextcloud_update.sh b/nextcloud_update.sh
index 5277211d98..6f73427066 100644
--- a/nextcloud_update.sh
+++ b/nextcloud_update.sh
@@ -7,9 +7,11 @@
 # shellcheck disable=2034,2059
 true
 # shellcheck source=lib.sh
-NCDB=1 && NC_UPDATE=1 . <(curl -sL https://raw.githubusercontent.com/nextcloud/vm/master/lib.sh)
-unset NC_UPDATE
-unset NCDB
+. <(curl -sL https://raw.githubusercontent.com/nextcloud/vm/master/lib.sh)
+
+# Get needed variables
+ncdb
+nc_update
 
 # T&M Hansson IT AB © - 2020, https://www.hanssonit.se/
 
@@ -110,7 +112,7 @@ then
         yes no | pecl upgrade redis
         systemctl restart redis-server.service
     fi
-    
+
     # Double check if redis.so is enabled
     if ! grep -qFx extension=redis.so "$PHP_INI"
     then
@@ -413,8 +415,8 @@ then
         sed -i "s|date --utc|date|g" /usr/sbin/zfs-auto-snapshot
         check_command zfs-auto-snapshot -r ncdata
     fi
-fi  
-   
+fi
+
 # Backup data
 for folders in config apps
 do
@@ -457,7 +459,7 @@ fi
 if [ -d $BACKUP/apps/ ]
 then
     print_text_in_color "$ICyan" "$BACKUP/apps/ exists"
-    echo 
+    echo
     print_text_in_color "$IGreen" "All files are backed up."
     occ_command maintenance:mode --on
     countdown "Removing old Nextcloud instance in 5 seconds..." "5"
diff --git a/static/change_db_pass.sh b/static/change_db_pass.sh
index c68f66bea6..2cde2c04f6 100644
--- a/static/change_db_pass.sh
+++ b/static/change_db_pass.sh
@@ -2,8 +2,10 @@
 # shellcheck disable=2034,2059
 true
 # shellcheck source=lib.sh
-NCDBPASS=1 . <(curl -sL https://raw.githubusercontent.com/nextcloud/vm/master/lib.sh)
-unset NCDBPASS
+. <(curl -sL https://raw.githubusercontent.com/nextcloud/vm/master/lib.sh)
+
+# Get needed variables
+ncdbpass
 
 # T&M Hansson IT AB © - 2020, https://www.hanssonit.se/
 
diff --git a/static/nextcloud_configuration.sh b/static/nextcloud_configuration.sh
index a255606f24..25bb4abfdd 100644
--- a/static/nextcloud_configuration.sh
+++ b/static/nextcloud_configuration.sh
@@ -5,8 +5,10 @@
 # shellcheck disable=2034,2059
 true
 # shellcheck source=lib.sh
-NC_UPDATE=1 . <(curl -sL https://raw.githubusercontent.com/nextcloud/vm/master/lib.sh)
-unset NC_UPDATE
+. <(curl -sL https://raw.githubusercontent.com/nextcloud/vm/master/lib.sh)
+
+# Get needed variables
+nc_update
 
 # Check for errors + debug code and abort if something isn't right
 # 1 = ON
diff --git a/static/static_ip.sh b/static/static_ip.sh
index 9f27b44245..610fafac86 100644
--- a/static/static_ip.sh
+++ b/static/static_ip.sh
@@ -15,16 +15,22 @@ then
 # shellcheck disable=2034,2059
 true
 # shellcheck source=lib.sh
-FIRST_IFACE=1 source /var/scripts/lib.sh
-unset FIRST_IFACE
+source /var/scripts/lib.sh
+
+# Get needed variables
+first_iface
+
  # If we have internet, then use the latest variables from the lib remote file
 elif print_text_in_color "$ICyan" "Testing internet connection..." && ping github.com -c 2
 then
 # shellcheck disable=2034,2059
 true
 # shellcheck source=lib.sh
-FIRST_IFACE=1 . <(curl -sL https://raw.githubusercontent.com/nextcloud/vm/master/lib.sh)
-unset FIRST_IFACE
+. <(curl -sL https://raw.githubusercontent.com/nextcloud/vm/master/lib.sh)
+
+# Get needed variables
+first_iface
+
 else
     print_text_in_color "$IRed" "You don't seem to have a working internet connection, and /var/scripts/lib.sh is missing so you can't run this script."
     print_text_in_color "$ICyan" "Please report this to https://github.com/nextcloud/vm/issues/"
diff --git a/static/updatenotification.sh b/static/updatenotification.sh
index 0acda2c766..734c081f7c 100644
--- a/static/updatenotification.sh
+++ b/static/updatenotification.sh
@@ -5,8 +5,10 @@
 # shellcheck disable=2034,2059
 true
 # shellcheck source=lib.sh
-NC_UPDATE=1 . <(curl -sL https://raw.githubusercontent.com/nextcloud/vm/master/lib.sh)
-unset NC_UPDATE
+. <(curl -sL https://raw.githubusercontent.com/nextcloud/vm/master/lib.sh)
+
+# Get needed variables
+nc_update
 
 print_text_in_color "$ICyan" "Checking for new Nextcloud version..."