Simple gcloud prompt for zsh

.gcloud-ps1.sh

#!/usr/bin/env bash

# Copyright 2023 Juan Ezquerro LLanes
#
#  Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# Debug
[[ -n $DEBUG ]] && set -x

_gcloud_ps1_init() {
  setopt PROMPT_SUBST
  zmodload -F zsh/stat b:zstat
  zmodload zsh/datetime
}

# Set gcloud-ps1 shell defaults
_gcloud_ps1_init

# Build our prompt
gcloud_ps1() {
  GCLOUD_PS1="$(gcloud config get project 2>/dev/null)"
  echo "${GCLOUD_PS1}"
}

source $HOME/.gcloud-ps1.sh
PROMPT='$(gcloud_ps1) '$PROMPT