Add ppwd and add pretty sh prompt colours

Dockerfile

@@ -97,6 +97,9 @@ COPY --from=builder /output/ /
 ADD skel/* /etc/
 RUN chmod 1777 /tmp
 
+ADD https://gist.githubusercontent.com/frebib/2b4ba154a9d62b31b1edcb50477e7f01/raw/647c3f8ee4dc7e325cd41f40fe47735f75a7f607/ppwd.sh /usr/bin/ppwd
+RUN chmod 755 /usr/bin/ppwd
+
 ENV ENV="/etc/profile"
 ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/bin 
 

skel/profile

@@ -1,6 +1,6 @@
 export PAGER='/bin/less -R'
 export EDITOR='/bin/vi'
-export PS1='\u@\h \w> '
+export PS1='\e[1;36m\u@\h\e[0m \e[0;32m$(ppwd)\e[0m> '
 
 # Source configuration files from /etc/profile.d
 for i in /etc/profile.d/*.sh ; do
@@ -18,3 +18,5 @@ alias la='ls -la'
 alias cp='cp -i'
 alias mv='mv -i'
 alias rm='rm -i'
+alias md='mkdir'
+alias dd='rmdir'