Linux shell/Bash prompt PS1, settings and history

This are steps to set up bash prompt showing git branch. This has been tested in Ubuntu 14 LTS

Edit vi ~/.bashrc

1. Uncomment #force_color_prompt=yes
2. Find if [ "$color_prompt" = yes ]; then statement
3. then comment out #PS1= and add following code in bold

if [ "$color_prompt" = yes ]; then
        parse_git_branch() {
        git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/ (\1)/'
        }
        PS1="\u@\h \[\033[32m\]\w\[\033[33m\]\$(parse_git_branch)\[\033[00m\] $ "
       #PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ ' #this is default colour prompt
else
    PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w\$ '
fi

It will similar to

Resources

• CustomizingBashPrompt Ubuntu wiki