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#!/bin/bash
# Copyright 2025 Google LLC
#
# 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.
# usage: scripts/sandbox_command.sh [-q]
# -q: quiet mode (do not print command, just exit w/ code 0 or 1)
set -euo pipefail
# parse flags
QUIET=false
while getopts ":q" opt; do
case ${opt} in
q ) QUIET=true ;;
\? ) echo "Usage: $0 [-q]"
exit 1
;;
esac
done
shift $((OPTIND - 1))
# if GEMINI_CODE_SANDBOX is not set, try to source .env in case set there
# allow .env to be in any ancestor directory (same as findEnvFile in config.ts)
if [ -z "${GEMINI_CODE_SANDBOX:-}" ]; then
current_dir=$(pwd)
while [ "$current_dir" != "/" ]; do
if [ -f "$current_dir/.env" ]; then
source "$current_dir/.env"
break
fi
current_dir=$(dirname "$current_dir")
done
fi
# if GEMINI_CODE_SANDBOX is still not set, then exit immediately w/ code 1
if [ -z "${GEMINI_CODE_SANDBOX:-}" ]; then exit 1; fi
# lowercase GEMINI_CODE_SANDBOX
GEMINI_CODE_SANDBOX=$(echo "${GEMINI_CODE_SANDBOX:-}" | tr '[:upper:]' '[:lower:]')
# if GEMINI_CODE_SANDBOX is set to 0 or false, then exit immediately w/ code 1
if [[ "${GEMINI_CODE_SANDBOX:-}" =~ ^(0|false)$ ]]; then
exit 1
fi
# if GEMINI_CODE_SANDBOX is set to 1 or true, then try to use docker or podman
if [[ "${GEMINI_CODE_SANDBOX:-}" =~ ^(1|true)$ ]]; then
if command -v docker &> /dev/null; then
if [ "$QUIET" = false ]; then echo "docker"; fi
exit 0
elif command -v podman &> /dev/null; then
if [ "$QUIET" = false ]; then echo "podman"; fi
exit 0
else
echo "ERROR: install docker or podman or specify command in GEMINI_CODE_SANDBOX" >&2
exit 1
fi
fi
if ! command -v "$GEMINI_CODE_SANDBOX" &> /dev/null; then
echo "ERROR: missing sandbox command '$GEMINI_CODE_SANDBOX' (from GEMINI_CODE_SANDBOX)" >&2
exit 1
fi
if [ "$QUIET" = false ]; then echo "$GEMINI_CODE_SANDBOX"; fi
exit 0
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