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helm/scripts/sync-repo.sh

83 lines
2.1 KiB

#!/usr/bin/env bash
# Copyright The Helm Authors.
#
# 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.
# Bash 'Strict Mode'
# http://redsymbol.net/articles/unofficial-bash-strict-mode
set -euo pipefail
IFS=$'\n\t'
# Helper Functions -------------------------------------------------------------
# Display error message and exit
error_exit() {
echo "error: ${1:-"unknown error"}" 1>&2
exit 1
}
# Checks if a command exists. Returns 1 or 0
command_exists() {
hash "${1}" 2>/dev/null
}
# Program Functions ------------------------------------------------------------
verify_prereqs() {
echo "Verifying Prerequisites...."
if command_exists gsutil; then
echo "Thumbs up! Looks like you have gsutil. Let's continue."
else
error_exit "Couldn't find gsutil. Bailing out."
fi
}
confirm() {
case $response in
[yY][eE][sS]|[yY])
true
;;
*)
false
;;
esac
}
# Main -------------------------------------------------------------------------
main() {
if [ "$#" -ne 2 ]; then
error_exit "Illegal number of parameters. You must pass in local directory path and a GCS bucket name"
fi
echo "Getting ready to sync your local directory ($1) to a remote repository at gs://$2"
verify_prereqs
# dry run of the command
gsutil rsync -d -n $1 gs://$2
read -p "Are you sure you would like to continue with these changes? [y/N]} " confirm
if [[ $confirm =~ [yY](es)* ]]; then
gsutil rsync -d $1 gs://$2
else
error_exit "Discontinuing sync process."
fi
echo "Your remote chart repository now matches the contents of the $1 directory!"
}
main "${@:-}"