PS1 line with Git current branch and colors

by

Here is, part by part (and no Ruby):

function color_my_prompt {
    local __user_and_host="\[\033[01;32m\]\u@\h"
    local __cur_location="\[\033[01;34m\]\w"
    local __git_branch_color="\[\033[31m\]"
    #local __git_branch="\`ruby -e \"print (%x{git branch 2> /dev/null}.grep(/^\*/).first || '').gsub(/^\* (.+)$/, '(\1) ')\"\`"
    local __git_branch="`git branch 2> /dev/null | grep -e ^* | sed -E  s/^\\\\\*\ \(.+\)$/\(\\\\\1\)\ /`"
    local __prompt_tail="\[\033[35m\]$"
    local __last_color="\[\033[00m\]"
    export PS1="$__user_and_host $__cur_location $__git_branch_color$__git_branch$__prompt_tail$__last_color "
}
color_my_prompt

Looks like this (with my own terminal palette):

Colored prompt

Also, see this and this article.

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