matrix build directory

src/freedombone-app-matrix

@@ -303,7 +303,10 @@ function install_matrix {
     cd /etc/matrix
     git checkout $MATRIX_COMMIT -b $MATRIX_COMMIT
     set_completion_param "matrix commit" "$MATRIX_COMMIT"
-    pip install --upgrade --process-dependency-links .
+    if [ ! -d $INSTALL_DIR/matrix ]; then
+        mkdir -p $INSTALL_DIR/matrix
+    fi
+    pip install --upgrade --process-dependency-links . -b $INSTALL_DIR/matrix
     if [ ! "$?" = "0" ]; then
         exit 782542
     fi