Merge branch 'master' into debian

This reverts commit 844fe85d6d.

home_external/.bash_aliases

@@ -41,7 +41,7 @@ alias start_x11_vnc="x11vnc -many -display :0 -no6 -rfbport 5900 -auth /var/run/
 
 
 commandExists() {
-   type $1 2 >& 1 > /dev/null
+   type $1 2>&1 > /dev/null
 }
 
 
@@ -68,7 +68,7 @@ doUpdateSystem() {
 
 
 updateFlatpak() {
-   if [[ ! $(commandExists flatpak) ]]; then
+   if ! $(commandExists flatpak); then
       return 1;
    fi
    noconfirm=
@@ -127,7 +127,7 @@ finds () {
 
 # sends a desktop-notification with an icon signalling an error
 notifyError () {
-   if [[ ! $(commandExists notify-send) ]]; then
+   if ! $(commandExists notify-send); then
       echo "ERROR: $1";
    else
       notify-send "$1" --icon=data-warning;
@@ -137,7 +137,7 @@ notifyError () {
 
 # sends a desktop-notification with an icon signalling a simple information
 notifyInfo () {
-   if [[ ! $(commandExists notify-send) ]]; then
+   if ! $(commandExists notify-send); then
       echo "INFO: $1";
    else
       notify-send "$1" --icon=preferences-desktop-notification;