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Implement periodic document update job with GitHub Actions workflow
Signed-off-by: Terry Howe <[email protected]>
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‎.github/workflows/update-docs.yml‎

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name: Update Helm Documentation
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on:
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schedule:
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# Run v3 daily at 2am Pacific (9am UTC)
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- cron: '0 9 * * *'
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# Run v2 daily at 3am Pacific (10am UTC)
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- cron: '0 10 * * *'
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workflow_dispatch: # Allow manual trigger
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inputs:
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version:
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description: 'Helm version to update (v2 or v3)'
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required: true
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default: 'v3'
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type: choice
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options:
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- v2
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- v3
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permissions:
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contents: write
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pull-requests: write
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jobs:
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update-docs:
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runs-on: ubuntu-latest
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steps:
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- name: Checkout
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uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # [email protected]
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with:
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token: ${{ secrets.GITHUB_TOKEN }}
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- name: Setup Go
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uses: actions/setup-go@41dfa10bad2bb2ae585af6ee5bb4d7d973ad74ed # [email protected]
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with:
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go-version-file: 'sdkexamples/go.mod'
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check-latest: true
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- name: Install dependencies
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run: |
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sudo apt-get update
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sudo apt-get install -y jq curl
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- name: Determine version
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id: version
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run: |
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if [ "${{ github.event_name }}" = "schedule" ]; then
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# For scheduled runs, determine version based on time
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current_hour=$(date -u +%H)
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if [ "$current_hour" = "09" ]; then
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echo "version=v3" >> $GITHUB_OUTPUT
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elif [ "$current_hour" = "10" ]; then
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echo "version=v2" >> $GITHUB_OUTPUT
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else
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echo "version=v3" >> $GITHUB_OUTPUT # fallback
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fi
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else
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# For manual runs, use the input
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echo "version=${{ inputs.version || 'v3' }}" >> $GITHUB_OUTPUT
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fi
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- name: Run periodic update
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run: make update-docs VERSION=${{ steps.version.outputs.version }}
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- name: Check for changes
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id: changes
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run: |
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if git diff --quiet; then
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echo "has_changes=false" >> $GITHUB_OUTPUT
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else
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echo "has_changes=true" >> $GITHUB_OUTPUT
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fi
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- name: Check for existing PRs
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id: existing-pr
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run: |
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existing_pr=$(gh pr list --state open --author "github-actions[bot]" --head-match "update-docs-*" --json number --jq '.[0].number // empty')
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if [ -n "$existing_pr" ]; then
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echo "existing_pr=true" >> $GITHUB_OUTPUT
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echo "Existing PR #$existing_pr found, skipping creation"
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else
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echo "existing_pr=false" >> $GITHUB_OUTPUT
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fi
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env:
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GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
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- name: Create Pull Request
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if: steps.changes.outputs.has_changes == 'true' && steps.existing-pr.outputs.existing_pr == 'false'
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uses: peter-evans/create-pull-request@5e914681df9dc83aa4e4905692ca88beb2f9e91f # [email protected]
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with:
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token: ${{ secrets.GITHUB_TOKEN }}
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commit-message: "chore: update helm documentation for new releases"
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title: "chore: update helm documentation for new releases"
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body: |
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This is an automated pull request to update Helm documentation based on new releases.
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## Changes
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This PR includes automatic updates for:
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- ✅ Version numbers in config.toml
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- ✅ Go module dependencies in sdkexamples/go.mod
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- ✅ Regenerated CLI documentation (if applicable)
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## Details
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The update process checked for new Helm releases and updated the documentation accordingly.
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Only non-pre-release versions are considered, and updates are made for new minor versions.
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Generated by the periodic update workflow at $(date).
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## Review Notes
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Please verify that:
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- [ ] Version numbers are correct
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- [ ] Go dependencies are properly updated
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- [ ] CLI documentation is current
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branch: "update-docs-$(date +%Y%m%d-%H%M%S)"
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delete-branch: true

‎Makefile‎

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SITE_URL := http://localhost:3000
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BASE_URL := /
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VERSION = v3
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clean:
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rm -rf node_modules/ build/ .docusaurus .cache-loader
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sdkexamples:
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make -C sdkexamples
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.PHONY: update-docs
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update-docs:
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./scripts/update-docs.sh $(VERSION)
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serve:
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SITE_URL=$(SITE_URL) BASE_URL=$(BASE_URL) yarn run start --host 0.0.0.0
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‎scripts/update-docs.sh‎

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#!/bin/bash
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#
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# Helm Documentation Update Script
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#
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# This script automatically updates the Helm website (helm.sh) with the latest
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# release information for versions of Helm. It performs the following tasks:
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#
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# 1. Fetches the latest stable releases from GitHub API
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# 2. Compares with current versions in docusaurus.config.js
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# 3. Updates version references if a new significant release is found
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# 4. For v3 updates: also updates go.mod dependencies and CLI documentation
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# 5. For v2 updates: only updates version references (legacy support)
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#
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# Usage: ./update-docs.sh <v2|v3>
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#
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# The script only updates for significant releases (minor version bumps or
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# newer patch versions). It creates backups and validates all changes before
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# committing them.
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#
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# Dependencies: curl, jq, node (for CLI docs), go (for v3 go.mod updates)
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#
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set -euo pipefail
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# Colors for output
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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NC='\033[0m' # No Color
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# Validate command line arguments
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if [ $# -ne 1 ] || { [ "$1" != "v2" ] && [ "$1" != "v3" ]; }; then
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echo -e "${RED}Usage: $0 <v2|v3>${NC}"
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echo -e "${YELLOW}Specify either 'v2' or 'v3' to update only that major version${NC}"
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exit 1
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fi
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# Global configuration
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VERSION="$1" # Version to update (v2 or v3)
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PRIMARY_VERSION="v3" # Primary version for go.mod and CLI docs
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echo -e "${GREEN}🔄 Starting Helm documentation update process for $VERSION only...${NC}"
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# =============================================================================
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# UTILITY FUNCTIONS
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# =============================================================================
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# Logging functions with timestamps and color coding
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log() {
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echo -e "${GREEN}[$(date +'%Y-%m-%d %H:%M:%S')] $1${NC}"
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}
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warn() {
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echo -e "${YELLOW}[$(date +'%Y-%m-%d %H:%M:%S')] WARNING: $1${NC}"
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}
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error() {
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echo -e "${RED}[$(date +'%Y-%m-%d %H:%M:%S')] ERROR: $1${NC}"
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}
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# Compare semantic versions - returns 0 if $1 > $2
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version_gt() {
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printf '%s\n%s\n' "$2" "$1" | sort -V -C
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}
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# Extract major.minor version from full version string (e.g., v3.15.2 -> 3.15)
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get_major_minor() {
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echo "$1" | sed -E 's/^v([0-9]+\.[0-9]+)\..*$/\1/'
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}
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# =============================================================================
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# DATA RETRIEVAL FUNCTIONS
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# =============================================================================
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# Fetch all stable releases from GitHub API (excludes pre-releases)
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get_latest_releases() {
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log "Fetching latest releases from GitHub API..."
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# Get releases and filter out pre-releases
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local api_response
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curl -s "https://api.github.com/repos/helm/helm/releases?per_page=100" | jq -r '.[] | select(.prerelease == false) | .tag_name'
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}
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# Get current version for the specified major version from docusaurus.config.js
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get_current_version() {
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# Extract the major version number (2 or 3 from v2 or v3)
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local major_version="${VERSION:1}"
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# For v2, look for something like: 2: { label: "2.17.0"
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# For v3, look for: 3 something like: { label: "3.19.0"
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# Note: Using [[:space:]] instead of \s for better compatibility
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grep -E "^[[:space:]]*${major_version}:[[:space:]]*\{[[:space:]]*label:[[:space:]]*\"" docusaurus.config.js | \
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sed -E 's/.*label:[[:space:]]*"([0-9]+\.[0-9]+\.[0-9]+)".*/\1/'
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}
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# Check if we're updating the primary version (which requires additional updates)
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is_primary_version() {
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test "$VERSION" == "${PRIMARY_VERSION}"
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}
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# Get current Helm version from go.mod (only relevant for primary version)
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get_current_gomod_version() {
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grep "helm.sh/helm/${PRIMARY_VERSION}" sdkexamples/go.mod | awk '{print $2}' | head -1
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}
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# =============================================================================
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# UPDATE FUNCTIONS
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# =============================================================================
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# Update version reference in docusaurus.config.js with backup and validation
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update_config_version() {
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local old_version="$1"
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local new_version="$2"
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local major_version="${VERSION:1}"
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# Strip 'v' prefix from versions if present (GitHub API returns v3.19.0, but config has 3.19.0)
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old_version="${old_version#v}"
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new_version="${new_version#v}"
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log "Updating docusaurus.config.js $VERSION version from $old_version to $new_version"
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# Create a backup
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cp docusaurus.config.js docusaurus.config.js.bak
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# Update the version in docusaurus.config.js
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# This replaces patterns like: 3: { label: "3.19.0" }
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# Note: Using [[:space:]] instead of \s for better compatibility across sed implementations
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cat docusaurus.config.js.bak | sed -E "s/^([[:space:]]*${major_version}:[[:space:]]*\{[[:space:]]*label:[[:space:]]*\")${old_version}(\".*)$/\1${new_version}\2/" > docusaurus.config.js
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# Verify the change
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if grep -q "label: \"$new_version\"" docusaurus.config.js; then
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log "✅ Successfully updated docusaurus.config.js"
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rm -f docusaurus.config.js.bak
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return 0
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else
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error "Failed to update docusaurus.config.js"
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mv docusaurus.config.js.bak docusaurus.config.js
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return 1
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fi
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}
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# Update Go module dependencies to use the new Helm version (v3 only)
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update_gomod() {
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local new_version="$1"
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log "Updating sdkexamples/go.mod to Helm $new_version"
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cd sdkexamples
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# Update the go.mod file to require the new version
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go mod edit -require="helm.sh/helm/${PRIMARY_VERSION}@$new_version"
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go mod tidy # Clean up dependencies
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cd ..
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log "✅ Successfully updated go.mod"
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}
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# Generate fresh CLI documentation using regenerate-cli-docs.mjs (v3 only)
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update_helm_docs() {
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local new_version="$1"
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log "Updating Helm CLI documentation..."
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# Check if node is available
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if ! command -v node &> /dev/null; then
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warn "Node.js not available, skipping documentation update"
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return 0
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fi
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# Determine the target directory based on version
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local target_dir="versioned_docs/version-${VERSION:1}"
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# Run the regenerate-cli-docs.mjs script
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if node scripts/regenerate-cli-docs.mjs "$new_version" "$target_dir"; then
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log "✅ Successfully updated Helm documentation"
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else
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warn "Failed to update Helm documentation, but continuing with other updates"
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fi
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}
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# =============================================================================
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# MAIN EXECUTION LOGIC
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# =============================================================================
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# Main function that orchestrates the update process
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main() {
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local changes_made=false
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local current_version=$(get_current_version)
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local current_gomod=$(get_current_gomod_version)
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# Display current state
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log "Current versions:"
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log " $VERSION in docusaurus.config.js: $current_version"
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if is_primary_version; then
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log " $VERSION in go.mod: $current_gomod"
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fi
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# Find the latest stable release for this major version
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local latest_version=$(get_latest_releases | grep "^${VERSION}\." | head -1)
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log "Latest releases found:"
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log " ${VERSION}: $latest_version"
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# Determine if an update is needed and perform it
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if [ -n "$latest_version" ] && [ "$latest_version" != "$current_version" ]; then
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# Check if this is a new minor release (not just patch)
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local current_minor=$(get_major_minor "$current_version")
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local latest_minor=$(get_major_minor "$latest_version")
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# Only update for significant releases (minor bumps or newer patches)
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if [ "$current_minor" != "$latest_minor" ] || version_gt "$latest_version" "$current_version"; then
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log "🔄 New ${VERSION} release detected: $latest_version (current: $current_version)"
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# Update the version in docusaurus.config.js
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if update_config_version "$current_version" "$latest_version"; then
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changes_made=true
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# For primary version (v3), also update go.mod and documentation
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if is_primary_version; then
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# Update go.mod dependencies if version differs
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if [ "$latest_version" != "$current_gomod" ]; then
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update_gomod "$latest_version"
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fi
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# Regenerate CLI documentation
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update_helm_docs "$latest_version"
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fi
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fi
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else
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log "${VERSION} version $latest_version is not a significant update from $current_version"
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fi
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else
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log "No new ${VERSION} releases found or version is already current"
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fi
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# Report final status
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if [ "$changes_made" = true ]; then
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log "✅ Documentation update completed with changes for $VERSION"
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exit 0
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else
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log "ℹ️ No updates needed - $VERSION version is current"
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exit 0
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fi
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}
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# Run main function
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main "$@"

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