new installation process

etc/profile.arch

@@ -39,8 +39,6 @@ unset -f append_path
 
 # Source global bash config, when interactive but not posix or sh mode
 if test "$BASH" &&\
-   ! test -v PS1 &&\
-   ! test -v POSIXLY_CORRECT &&\
    test "${0#-}" != sh &&\
    test -r /etc/bash.bashrc
 then