chore(travis): make travis happy by having some output - but not too much

Fix #5515
  
An error occurred
 


brew install might take a long time to build Qt or ffmpeg. Travis kills us if
we don't output for 10 minutes. Travis also kills us if we output too much, so
verbose isn't an option. So just output some dots...

osx/qTox-Mac-Deployer-ULTIMATE.sh

@@ -170,9 +170,23 @@ install() {
     # needed for kf5-sonnet
     brew tap kde-mac/kde
 
-    # verbose so that build output is shown, otherwise qt5 build has no output for >10 mins
-    # and is killed by Travis CI
-    brew install --verbose ffmpeg libexif qrencode qt5 sqlcipher openal-soft #kf5-sonnet
+    # brew install qt5 might take a long time to build Qt. Travis kills us if
+    # we don't output for 10 minutes. Travis also kills us if we output too much,
+    # so verbose isn't an option. So just output some dots...
+    if [[ $TRAVIS = true ]]
+    then
+        echo "outputting dots to keep travis from killing us..."
+        while true; do
+            echo -n "."
+            sleep 10
+        done &
+        DOT_PID=$!
+    fi
+    brew install ffmpeg libexif qrencode qt5 sqlcipher openal-soft #kf5-sonnet
+    if [[ $TRAVIS = true ]]
+    then
+        kill $DOT_PID
+    fi
 
     fcho "Cloning filter_audio ... "
     git clone --branch v0.0.1 --depth=1 https://github.com/irungentoo/filter_audio "$FILTERAUIO_DIR"