GitList

@@ -912,7 +912,7 @@ function is_package_installed() {
                          fi
                          if [[ "$os_PACKAGE" = "deb" ]]; then
                     -        dpkg -l "$@" > /dev/null
                     +        dpkg -l "$@" > /dev/null 2> /dev/null
                          elif [[ "$os_PACKAGE" = "rpm" ]]; then
                              rpm --quiet -q "$@"
                          else

Merge "Redirect dpkg -l stderr to /dev/null"