if [[ -n "$(which-command oh-my-posh)" ]]; then
  OHMYPOSH_CONFIG=''
  [[ -r ~/.poshtheme.omp.json ]] && OHMYPOSH_CONFIG="~/.poshtheme.omp.json"
  eval "$(oh-my-posh init zsh --config $OHMYPOSH_CONFIG)"
  unset OHMYPOSH_CONFIG
fi