add initial work on script to construct and test the releases
This commit is contained in:
kjeld Schouten-Lebbing
@@ -0,0 +1,308 @@
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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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# https://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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set -o errexit
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set -o nounset
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set -o pipefail
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DEFAULT_CHART_RELEASER_VERSION=v1.2.1
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show_help() {
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cat << EOF
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Usage: $(basename "$0") <options>
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-h, --help Display help
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-v, --version The chart-releaser version to use (default: $DEFAULT_CHART_RELEASER_VERSION)"
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--config The path to the chart-releaser config file
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-d, --charts-dir The charts directory (default: charts)
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-u, --charts-repo-url The GitHub Pages URL to the charts repo (default: https://<owner>.github.io/<repo>)
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-o, --owner The repo owner
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-r, --repo The repo name
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-p, --production Enables uploading releases to github releases
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EOF
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}
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main() {
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local version="$DEFAULT_CHART_RELEASER_VERSION"
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local config=
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local charts_dir=charts
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local owner=
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local repo=
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local production=
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local charts_repo_url=
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parse_command_line "$@"
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: "${CR_TOKEN:?Environment variable CR_TOKEN must be set}"
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local repo_root
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repo_root=$(git rev-parse --show-toplevel)
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pushd "$repo_root" > /dev/null
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echo 'Looking up latest tag...'
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local latest_tag
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latest_tag=$(lookup_latest_tag)
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echo "Discovering changed charts since '$latest_tag'..."
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local changed_charts=()
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readarray -t changed_charts <<< "$(lookup_changed_charts "$latest_tag")"
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if [[ -n "${changed_charts[*]}" ]]; then
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install_chart_releaser
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rm -rf .cr-release-packages
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mkdir -p .cr-release-packages
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rm -rf .cr-index
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mkdir -p .cr-index
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for chart in "${changed_charts[@]}"; do
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if [[ -d "$chart" ]]; then
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chartversion=$(cat ${chart}/Chart.yaml | grep "^version: " | awk -F" " '{ print $2 }')
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chartname=$(basename ${chart})
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prep_app "${chart}"
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helm dependency update "${chart}" --skip-refresh
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package_chart "$chart"
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if [ -d "${chart}/SCALE" ]; then
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clean_apps "$chart" "$chartname" "$train" "$chartversion"
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patch_apps "$chart" "$chartname" "$train" "$chartversion"
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copy_apps "$chart" "$chartname" "$train" "$chartversion"
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else
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echo "Skipping chart ${chart}, no correct SCALE compatibility layer detected"
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fi
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else
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echo "Chart '$chart' no longer exists in repo. Skipping it..."
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fi
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done
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if [[ -n "${production}" ]]
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release_charts
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fi
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update_index
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else
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echo "Nothing to do. No chart changes detected."
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fi
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popd > /dev/null
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}
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prep_app() {
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local chart="$1"
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echo "Creating app-readme.md for App: ${chartname}"
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description=$(cat ${chart}/Chart.yaml | grep "^description: " | sed -r 's/^description: //')
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echo "${description}" >> ${chart}/app-readme.md
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}
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clean_apps() {
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local chart="$1"
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local chartname="$2"
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local train="$3"
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local chartversion="$4"
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echo "Cleaning SCALE catalog for App: ${chartname}"
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rm -Rf catalog/${train}/${chartname}/${chartversion} || true
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rm -Rf catalog/${train}/${chartname}/item.yaml || true
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}
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patch_apps() {
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local chart="$1"
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local chartname="$2"
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local train="$3"
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local chartversion="$4"
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echo "Applying SCALE patches for App: ${chartname}"
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mv ${chart}/SCALE/item.yaml ${chart}/
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mv ${chart}/SCALE/ix_values.yaml ${chart}/
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mv ${chart}/SCALE/questions.yaml ${chart}/
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cp -rf ${chart}/SCALE/templates/* ${chart}/templates || echo "ignoring templates directory..."
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rm -rf ${chart}/SCALE
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mv ${chart}/values.yaml ${chart}/test_values.yaml
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touch ${chart}/values.yaml
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}
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copy_apps() {
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local chart="$1"
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local chartname="$2"
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local train="$3"
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local chartversion="$4"
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echo "Copying App to Catalog: ${2}"
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mkdir -p catalog/${train}/${chartname}/${chartversion}
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cp -Rf ${chart}/* catalog/${train}/${chartname}/${chartversion}/
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mv catalog/${train}/${chartname}/${chartversion}/item.yaml catalog/${train}/${chartname}/item.yaml
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}
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validate_catalog() {
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echo "Starting Catalog Validation"
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/bin/bash -c "PWD=${pwd}; /usr/local/bin/catalog_validate validate --path $PWD/catalog"
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}
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parse_command_line() {
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while :; do
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case "${1:-}" in
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-h|--help)
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show_help
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exit
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;;
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--config)
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if [[ -n "${2:-}" ]]; then
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config="$2"
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shift
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else
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echo "ERROR: '--config' cannot be empty." >&2
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show_help
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exit 1
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fi
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;;
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-v|--version)
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if [[ -n "${2:-}" ]]; then
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version="$2"
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shift
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else
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echo "ERROR: '-v|--version' cannot be empty." >&2
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show_help
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exit 1
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fi
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;;
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-d|--charts-dir)
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if [[ -n "${2:-}" ]]; then
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charts_dir="$2"
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shift
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else
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echo "ERROR: '-d|--charts-dir' cannot be empty." >&2
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show_help
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exit 1
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fi
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;;
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-u|--charts-repo-url)
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if [[ -n "${2:-}" ]]; then
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charts_repo_url="$2"
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shift
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else
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echo "ERROR: '-u|--charts-repo-url' cannot be empty." >&2
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show_help
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exit 1
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fi
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;;
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-o|--owner)
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if [[ -n "${2:-}" ]]; then
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owner="$2"
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shift
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else
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echo "ERROR: '--owner' cannot be empty." >&2
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show_help
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exit 1
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fi
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;;
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-r|--repo)
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if [[ -n "${2:-}" ]]; then
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repo="$2"
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shift
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else
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echo "ERROR: '--repo' cannot be empty." >&2
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show_help
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exit 1
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fi
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;;
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-p|--production)
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production="true"
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;;
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*)
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break
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;;
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esac
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shift
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done
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if [[ -z "$owner" ]]; then
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echo "ERROR: '-o|--owner' is required." >&2
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show_help
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exit 1
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fi
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if [[ -z "$repo" ]]; then
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echo "ERROR: '-r|--repo' is required." >&2
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show_help
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exit 1
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fi
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if [[ -z "$charts_repo_url" ]]; then
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charts_repo_url="https://$owner.github.io/$repo"
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fi
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}
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lookup_latest_tag() {
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git fetch --tags > /dev/null 2>&1
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if ! git describe --tags --abbrev=0 2> /dev/null; then
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git rev-list --max-parents=0 --first-parent HEAD
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fi
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}
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filter_charts() {
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while read -r chart; do
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[[ ! -d "$chart" ]] && continue
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local file="$chart/Chart.yaml"
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if [[ -f "$file" ]]; then
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echo "$chart"
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else
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echo "WARNING: $file is missing, assuming that '$chart' is not a Helm chart. Skipping." 1>&2
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fi
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done
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}
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lookup_changed_charts() {
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local commit="$1"
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local changed_files
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changed_files=$(git diff --find-renames --name-only "$commit" -- "$charts_dir")
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local depth=$(( $(tr "/" "\n" <<< "$charts_dir" | sed '/^\(\.\)*$/d' | wc -l) + 1 ))
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local fields="1-${depth}"
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cut -d '/' -f "$fields" <<< "$changed_files" | uniq | filter_charts
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}
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package_chart() {
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local chart="$1"
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local args=("$chart" --package-path .cr-release-packages)
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if [[ -n "$config" ]]; then
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args+=(--config "$config")
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fi
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echo "Packaging chart '$chart'..."
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cr package "${args[@]}"
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}
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release_charts() {
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local args=(-o "$owner" -r "$repo" -c "$(git rev-parse HEAD)")
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if [[ -n "$config" ]]; then
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args+=(--config "$config")
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fi
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echo 'Releasing charts...'
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cr upload "${args[@]}"
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}
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update_index() {
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local args=(-o "$owner" -r "$repo" -c "$charts_repo_url")
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if [[ -n "$config" ]]; then
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args+=(--config "$config")
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fi
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echo 'Updating charts repo index...'
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cr index "${args[@]}"
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}
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main "$@"
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