An Oh-My-Zsh theme just like the built-in bira theme that also shows the username of the current Git user

bira-eda.zsh-theme

# ZSH Theme - Preview: https://gyazo.com/8becc8a7ed5ab54a0262a470555c3eed.png
local return_code="%(?..%{$fg[red]%}%? ↵%{$reset_color%})"

if [[ $UID -eq 0 ]]; then
    local user_host='%{$terminfo[bold]$fg[red]%}%n@%m %{$reset_color%}'
    local user_symbol='#'
else
    local user_host='%{$terminfo[bold]$fg[green]%}%n@%m %{$reset_color%}'
    local user_symbol='$'
fi

local current_dir='%{$terminfo[bold]$fg[blue]%}%~ %{$reset_color%}'
local git_branch='$(git_prompt_info)'
# This is the line that was added
local git_user='%{$terminfo[bold]$fg[red]%}$(git_current_user_name) %{$reset_color%}'
local rvm_ruby='$(ruby_prompt_info)'
local venv_prompt='$(virtualenv_prompt_info)'

ZSH_THEME_RVM_PROMPT_OPTIONS="i v g"

# git_user was added to following line
PROMPT="╭─${user_host}${current_dir}${rvm_ruby}${git_branch}${git_user}${venv_prompt}
╰─%B${user_symbol}%b "
RPROMPT="%B${return_code}%b"

ZSH_THEME_GIT_PROMPT_PREFIX="%{$fg[yellow]%}‹"
ZSH_THEME_GIT_PROMPT_SUFFIX="› %{$reset_color%}"

ZSH_THEME_RUBY_PROMPT_PREFIX="%{$fg[red]%}‹"
ZSH_THEME_RUBY_PROMPT_SUFFIX="› %{$reset_color%}"

ZSH_THEME_VIRTUAL_ENV_PROMPT_PREFIX="%{$fg[green]%}‹"
ZSH_THEME_VIRTUAL_ENV_PROMPT_SUFFIX="› %{$reset_color%}"
ZSH_THEME_VIRTUALENV_PREFIX=$ZSH_THEME_VIRTUAL_ENV_PROMPT_PREFIX
ZSH_THEME_VIRTUALENV_SUFFIX=$ZSH_THEME_VIRTUAL_ENV_PROMPT_SUFFIX