Merge pull request 'making linux installer create venv folder if needed' (#97) from theboxyguy/mkxp-sunshine:master into master

Reviewed-on: https://code.nikooneshot.ru/Sunshine/mkxp-sunshine/pulls/97

make-oneshot-linux.sh

@@ -22,7 +22,20 @@ mkdir -p build/bandle/Data
 #cp "$STEAMWORKS_PATH/redistributable_bin/linux64/libsteam_api.so" .
 #make -j${make_threads} > steamshim.make.out
 #cd ../..
+
+if [ ! -d "venv" ]; then
+    echo "Creating venv folder and installing pip packages"
+    python3 -m venv venv
+    source venv/bin/activate
+    # the packages themselves
+    pip install --upgrade pip
+    pip install pyqt5 pyinstaller
+else
+    echo "The 'venv' folder already exists."
+    source venv/bin/activate
+fi
 pyinstaller journal/unix/journal.spec #--windowed
+deactivate
 ruby rpgscript.rb scripts/ build/bandle/
 
 cp -r dist/_______/* build/bandle/