iTerm Tab & Window Titles with zsh and git.original: http://timbabwe.com/2012/05/iterm_tab_and_window_titles_with_zsh

gistfile1.sh

function iterm_tab_and_window_titles_precmd() {
  if command git rev-parse --git-dir > /dev/null 2>&1; then
    local window_label=$(git rev-parse --show-toplevel)
    local tab_label=$(echo $window_label | awk -F\/ '{print "[git] " $NF}')
  else
    local window_label=${PWD/${HOME}/\~}
    local tab_label=$window_label
  fi
  echo -ne "\e]2;${window_label}\a"
  echo -ne "\e]1;${tab_label: -24}\a"
}
add-zsh-hook precmd iterm_tab_and_window_titles_precmd

gistfile2.md

don't forget to set tab widths: https://www.iterm2.com/documentation-hidden-settings.html

defaults write com.googlecode.iterm2 OptimumTabWidth -int 250
defaults write com.googlecode.iterm2 UseUnevenTabs -bool true