Another tunable Subversion Bash prompt. Insert into or source in your .bashrc.

svn_prompt.sh

# Define some colors first.
# CAVEAT: Work only with 256 color terminal!
red=$(tput setaf 1)
RED=$(tput bold ; tput setaf 1)
blue=$(tput setaf 33)
BLUE=$(tput bold ; tput setaf 33)
cyan=$(tput setaf 6)
CYAN=$(tput bold; tput setaf 6)
NC=$(tput sgr0) # No Color


#---------------
# Shell Prompt
#---------------

if [[ "${DISPLAY#$HOSTNAME}" != ":0.0" &&  "${DISPLAY}" != ":0" ]]; then
    HILIT=${RED}   # remote machine: prompt will be partly red
else
    HILIT=${BLUE}  # local machine: prompt will be partly cyan
fi

#  --> Replace instances of \W with \w in prompt functions below
#+ --> to get display of full path name.

function powerprompt() {

    _powerprompt() {

        _get_svn_data () {
            IFS='
'
            while read line ; do
                case "$line" in
                    NO)
                        return 1
                        ;;

                    URL*)
                        URL=$(echo $line | sed -ne 's#^URL: ##p')
                        ;;
                    Repository\ Root:*)
                        ROOT=$(echo $line | sed -ne 's#^Repository Root: ##p')
                        ;;
                    Revision:*)
                        REV=$(echo $line | sed -ne 's#^Revision: ##p')
                        ;;
                esac    
            done < <(LANG=C svn info $file 2>/dev/null || echo NO)
            path=$(echo $URL | sed -e 's#^'"$ROOT"'##g')
            repo=$(echo $ROOT | awk -F'/' '{ print $NF }')
            if [[ $path == /trunk* ]] ; then
                tree="trunk"
            elif [[ $path == /branches/* ]] ; then
                tree="branches: $(echo $path | awk -F'/' '/^\/branches/ { print $3 }')"
            fi
            # here one defines the SVN part of the prompt
            echo "${red}(svn:${repo}-${tree})"
        }
        LOAD=$(LANG=C uptime|sed -e "s/.*: \([^,]*\).*/\1/" -e "s/ //g")
        SVN="$(_get_svn_data)"
    }

    PROMPT_COMMAND=_powerprompt
    case $TERM in
        *term | rxvt | screen  ) 
            PS1="${HILIT}[\A \$LOAD \$SVN${HILIT}]$NC\n[\u@\h \#] \W > \[\033]0;\u@\h: \w\007\]"
            ;;
        rxvt-unicode*)
            PS1=$(printf "${HILIT}[\A \$LOAD \$SVN${HILIT}]$NC\n[\\\\u@\h \#] \W > \[\033]0;\\\\u@\h: \w\007\]")
            ;;
        linux ) 
            PS1="${HILIT}[\A - \$LOAD]$NC\n[\h \#] \w > "
            ;;
        * )     
            PS1="[\A - \$LOAD]\n[\h \#] \w > "
            ;;
    esac    
}

powerprompt     # this is the default prompt - might be slow