MCP Server Bootcamp

#!/bin/bash # Automated Changelog Generator for MCP Server Bootcamp # Generates changelog entries based on git commits following Conventional Commits set -euo pipefail # Configuration REPO_DIR="/home/epti/Documentos/epti-dev/bootcamps/bc-mcp-server" CHANGELOG_FILE="$REPO_DIR/CHANGELOG.md" TEMP_FILE="/tmp/changelog_temp.md" LOG_FILE="$REPO_DIR/.autocommit/changelog-generator.log" # Colors for output RED='\033[0;31m' GREEN='\033[0;32m' YELLOW='\033[1;33m' BLUE='\033[0;34m' NC='\033[0m' # No Color # Logging function log() { echo "[$(date '+%Y-%m-%d %H:%M:%S')] $1" | tee -a "$LOG_FILE" } # Function to extract version from git tags get_latest_version() { git tag --sort=version:refname | tail -1 | sed 's/^v//' || echo "1.0.0" } # Function to determine next version based on commits determine_next_version() { local current_version="$1" local commits_since_tag="$2" # Parse current version local major=$(echo "$current_version" | cut -d. -f1) local minor=$(echo "$current_version" | cut -d. -f2) local patch=$(echo "$current_version" | cut -d. -f3) # Check for breaking changes if echo "$commits_since_tag" | grep -q "BREAKING CHANGE\|!:"; then major=$((major + 1)) minor=0 patch=0 # Check for new features elif echo "$commits_since_tag" | grep -q "^feat"; then minor=$((minor + 1)) patch=0 # Otherwise it's a patch else patch=$((patch + 1)) fi echo "$major.$minor.$patch" } # Function to categorize commits categorize_commit() { local commit_msg="$1" local commit_hash="$2" case "$commit_msg" in feat\(*\):*|feat:*) echo "### Added" ;; fix\(*\):*|fix:*) echo "### Fixed" ;; docs\(*\):*|docs:*) echo "### Documentation" ;; test\(*\):*|test:*) echo "### Testing" ;; refactor\(*\):*|refactor:*) echo "### Changed" ;; chore\(*\):*|chore:*) echo "### Maintenance" ;; build\(*\):*|build:*) echo "### Build System" ;; ci\(*\):*|ci:*) echo "### CI/CD" ;; perf\(*\):*|perf:*) echo "### Performance" ;; style\(*\):*|style:*) echo "### Code Style" ;; revert\(*\):*|revert:*) echo "### Reverted" ;; *) echo "### Changed" ;; esac } # Function to extract scope and description parse_commit_message() { local commit_msg="$1" local scope="" local description="" # Extract scope if present - using grep for pattern matching if echo "$commit_msg" | grep -q '^[a-z]*([^)]*):'; then # Extract scope from the parentheses scope=$(echo "$commit_msg" | sed -n 's/^[a-z]*(\([^)]*\)).*/\1/p') description=$(echo "$commit_msg" | sed 's/^[a-z]*([^)]*): //') else description=$(echo "$commit_msg" | sed 's/^[a-z]*: //') fi # Format scope for display if [[ -n "$scope" ]]; then case "$scope" in module-1|module-2|module-3|module-4|module-5|module-6|module-7) scope="**${scope^^}**" ;; examples) scope="**Examples**" ;; docs|documentation) scope="**Documentation**" ;; tooling|scripts) scope="**Tooling**" ;; config) scope="**Configuration**" ;; *) scope="**${scope^}**" ;; esac echo "- $scope: $description" else echo "- $description" fi } # Function to generate changelog section generate_changelog_section() { local version="$1" local start_ref="$2" local end_ref="$3" local release_date="$(date '+%Y-%m-%d')" echo "" echo "## [$version] - $release_date" echo "" # Get commits between refs local commits if [[ "$start_ref" == "initial" ]]; then commits=$(git log --pretty=format:"%H|%s" "$end_ref") else commits=$(git log --pretty=format:"%H|%s" "${start_ref}..${end_ref}") fi # Group commits by category declare -A categories while IFS='|' read -r hash message; do if [[ -n "$message" && ! "$message" =~ ^Merge\ branch ]]; then local category=$(categorize_commit "$message" "$hash") local formatted_message=$(parse_commit_message "$message") if [[ -n "${categories[$category]:-}" ]]; then categories[$category]+=$'\n'"$formatted_message" else categories[$category]="$formatted_message" fi fi done <<< "$commits" # Output categories in logical order local category_order=("### Added" "### Changed" "### Fixed" "### Documentation" "### Testing" "### Performance" "### Build System" "### CI/CD" "### Code Style" "### Maintenance" "### Reverted") for category in "${category_order[@]}"; do if [[ -n "${categories[$category]:-}" ]]; then echo "$category" echo "" echo "${categories[$category]}" echo "" fi done } # Function to update changelog update_changelog() { local version="$1" local changelog_section="$2" # Create backup cp "$CHANGELOG_FILE" "$CHANGELOG_FILE.backup" # Find the [Unreleased] section and replace it awk -v version="$version" -v section="$changelog_section" ' BEGIN { in_unreleased = 0 printed_new = 0 } /^## \[Unreleased\]/ { print $0 print "" print "### Added" print "" print "### Changed" print "" print "### Fixed" print "" print section printed_new = 1 in_unreleased = 1 next } /^## \[/ && in_unreleased && printed_new { in_unreleased = 0 print $0 next } !in_unreleased || !printed_new { print $0 } ' "$CHANGELOG_FILE" > "$TEMP_FILE" mv "$TEMP_FILE" "$CHANGELOG_FILE" } # Main function main() { log "Starting changelog generation..." cd "$REPO_DIR" # Check if we're in a git repository if ! git rev-parse --git-dir > /dev/null 2>&1; then log "ERROR: Not in a git repository" exit 1 fi # Get latest tag local latest_tag=$(git tag --sort=version:refname | tail -1 || echo "") local latest_version if [[ -n "$latest_tag" ]]; then latest_version=$(echo "$latest_tag" | sed 's/^v//') log "Latest version: $latest_version" else latest_version="0.0.0" latest_tag="initial" log "No previous tags found, starting from initial commit" fi # Check if there are new commits since last tag local commits_since_tag if [[ "$latest_tag" == "initial" ]]; then commits_since_tag=$(git log --oneline | wc -l) else commits_since_tag=$(git log --oneline "${latest_tag}..HEAD" | wc -l) fi if [[ $commits_since_tag -eq 0 ]]; then log "No new commits since last tag" return 0 fi log "Found $commits_since_tag new commits since $latest_tag" # Determine next version local commit_messages if [[ "$latest_tag" == "initial" ]]; then commit_messages=$(git log --pretty=format:"%s") else commit_messages=$(git log --pretty=format:"%s" "${latest_tag}..HEAD") fi local next_version=$(determine_next_version "$latest_version" "$commit_messages") log "Next version will be: $next_version" # Generate changelog section local changelog_section if [[ "$latest_tag" == "initial" ]]; then changelog_section=$(generate_changelog_section "$next_version" "initial" "HEAD") else changelog_section=$(generate_changelog_section "$next_version" "$latest_tag" "HEAD") fi # Update changelog update_changelog "$next_version" "$changelog_section" # Create git tag for new version if [[ "${CREATE_TAG:-false}" == "true" ]]; then git tag -a "v$next_version" -m "Release version $next_version" log "Created tag v$next_version" fi log "Changelog updated successfully for version $next_version" echo -e "${GREEN}✅ Changelog updated to version $next_version${NC}" echo -e "${BLUE}📝 New entries added based on $commits_since_tag commits${NC}" echo -e "${YELLOW}📋 Review the changelog before committing: $CHANGELOG_FILE${NC}" } # Handle command line arguments case "${1:-}" in --help|-h) echo "Usage: $0 [options]" echo "" echo "Options:" echo " --help, -h Show this help message" echo " --tag Create git tag for new version" echo " --dry-run Show what would be done without making changes" echo "" echo "Environment variables:" echo " CREATE_TAG=true Create git tag after updating changelog" echo "" exit 0 ;; --tag) CREATE_TAG=true ;; --dry-run) echo "DRY RUN MODE - No changes will be made" # Set functions to echo instead of execute ;; esac # Run main function main "$@"