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#!/usr/bin/env bash
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# Copyright The Helm Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Bash 'Strict Mode'
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# http://redsymbol.net/articles/unofficial-bash-strict-mode
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set -euo pipefail
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IFS=$'\n\t'
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# Helper Functions -------------------------------------------------------------
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# Display error message and exit
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error_exit() {
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echo "error: ${1:-"unknown error"}" 1>&2
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exit 1
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}
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# Checks if a command exists. Returns 1 or 0
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command_exists() {
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hash "${1}" 2>/dev/null
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}
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# Program Functions ------------------------------------------------------------
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verify_prereqs() {
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echo "Verifying Prerequisites...."
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if command_exists gsutil; then
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echo "Thumbs up! Looks like you have gsutil. Let's continue."
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else
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error_exit "Couldn't find gsutil. Bailing out."
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fi
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}
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confirm() {
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case $response in
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[yY][eE][sS]|[yY])
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true
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;;
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*)
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false
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;;
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esac
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}
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# Main -------------------------------------------------------------------------
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main() {
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if [ "$#" -ne 2 ]; then
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error_exit "Illegal number of parameters. You must pass in local directory path and a GCS bucket name"
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fi
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echo "Getting ready to sync your local directory ($1) to a remote repository at gs://$2"
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verify_prereqs
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# dry run of the command
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gsutil rsync -d -n $1 gs://$2
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read -p "Are you sure you would like to continue with these changes? [y/N]} " confirm
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if [[ $confirm =~ [yY](es)* ]]; then
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gsutil rsync -d $1 gs://$2
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else
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error_exit "Discontinuing sync process."
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fi
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echo "Your remote chart repository now matches the contents of the $1 directory!"
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}
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main "${@:-}"
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