curse-of-the-blood-corn/scripts/check-env-bucket.sh

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#!/usr/bin/env bash
# Checks the environment to see if we have all the requisite components needed
# to upload or download from the S3 bucket.
# Set up logging.
log() { echo "⚗️ $(basename $0): $@"; }
# Move into the root folder.
cd $(dirname $(dirname $0))
for i in S3_ACCESS_KEY_ID S3_SECRET_ACCESS_KEY S3_ENDPOINT S3_BUCKET
do
if [ "x${!i}" = "x" ]
then
log "missing environment variable $i"
exit 1
fi
done
if [ ! which s3cmd 2> /dev/null ]
then
log "cannot find 's3cmd' to execute"
exit 1
fi
exit 0