Phase 1 Implementation Summary

✅ Phase 1 Complete: Library Extraction with Tests

Date: November 25, 2025
Status: ✅ Complete

What Was Accomplished

1. Created Modular Library Architecture

Successfully extracted 1,100+ lines of monolithic script code into 6 focused libraries:

scripts/lib/
├── common.sh          (165 lines) - Shared utilities, logging, error handling
├── validation.sh      (120 lines) - Environment & dependency validation
├── version.sh         (155 lines) - Version management & calculation
├── git.sh             (165 lines) - Git operations (commit, tag, push)
├── changelog.sh       (230 lines) - Changelog generation from commits
├── gem.sh             (160 lines) - Gem build, publish, GitHub releases
└── README.md          - Complete documentation

Total: ~995 lines (well-organized) vs 1,100+ lines (monolithic)

2. Comprehensive Test Suite

Created full test coverage with 6 test files:

scripts/test/lib/
├── run_tests.sh         - Test runner with reporting
├── test_version.sh      - Version calculation tests (20+ assertions)
├── test_changelog.sh    - Changelog generation tests (15+ assertions)
├── test_validation.sh   - Environment validation tests (10+ assertions)
├── test_git.sh          - Git operations tests (10+ assertions)
└── test_gem.sh          - Gem operations tests (8+ assertions)

Test Results:

• ✅ All core functions tested
• ✅ Version calculations validated
• ✅ Changelog categorization verified
• ✅ Git operations confirmed
• ✅ Dry-run mode working

3. Key Features Implemented

common.sh

• ✅ Colored logging system (log, info, warn, error, debug)
• ✅ User confirmation prompts with non-interactive mode
• ✅ Dry-run execution wrapper
• ✅ Command/file validation utilities
• ✅ Repository root detection

validation.sh

• ✅ Git repository validation
• ✅ Clean working directory check
• ✅ Required files verification
• ✅ Dependency validation (git, ruby, gem, bundle, jq)
• ✅ RubyGems authentication check
• ✅ GitHub CLI detection
• ✅ Comprehensive environment validation

version.sh

• ✅ Current version reading from version.rb
• ✅ Semantic version calculation (major/minor/patch)
• ✅ Version format validation
• ✅ Version file updates (version.rb, package.json)
• ✅ Version comparison utilities

git.sh

• ✅ Last version tag detection
• ✅ Commit history retrieval
• ✅ Commit and tag creation
• ✅ Push to remote with tags
• ✅ Repository info extraction
• ✅ Commit counting utilities

changelog.sh

• ✅ Automatic changelog generation from commits
• ✅ Conventional commit categorization
• ✅ Commit message cleaning
• ✅ CHANGELOG.md update
• ✅ Release notes extraction
• ✅ Supports: feat, fix, chore, docs, breaking changes, etc.

gem.sh

• ✅ Gem building with validation
• ✅ RubyGems publication
• ✅ GitHub release creation
• ✅ Test suite execution
• ✅ Version existence checking
• ✅ Gem file cleanup

Code Quality Improvements

Before (Monolithic)

# gem-publish.sh (700 lines)
- 10+ command-line flags
- Complex argument parsing
- Embedded functions (200+ line functions)
- Difficult to test
- Hard to reuse

After (Modular)

# lib/version.sh (155 lines)
- Single responsibility
- Clear function boundaries
- Easy to test
- Reusable across scripts
- Well-documented

Usage Examples

Using Libraries in Custom Scripts

#!/bin/bash
source "$(dirname "$0")/lib/common.sh"
source "$(dirname "$0")/lib/version.sh"

# Get and bump version
current=$(get_current_version)
new=$(calculate_new_version "$current" "minor")
update_version_files "$new"

success "Version updated to $new"

Running Tests

# Run all tests
./scripts/test/lib/run_tests.sh

# Test specific library
./scripts/test/lib/test_version.sh

Environment Control

# Dry run mode
DRY_RUN=true ./scripts/release

# Non-interactive
INTERACTIVE=false ./scripts/release

# Verbose debugging
VERBOSE=true ./scripts/release

Metrics

Code Organization

• Before: 3 scripts, 1,100+ lines, many duplicated functions
• After: 6 libraries, ~995 lines, zero duplication
• Reduction: ~10% fewer lines, but 100% better organized

Testability

• Before: 0 unit tests (only integration tests)
• After: 63+ test assertions across 6 test files
• Coverage: All critical functions tested

Reusability

• Before: Copy-paste code between scripts
• After: Source libraries as needed
• Benefit: Single source of truth for each function

Files Created

Libraries (6 files)

1. scripts/lib/common.sh
2. scripts/lib/validation.sh
3. scripts/lib/version.sh
4. scripts/lib/git.sh
5. scripts/lib/changelog.sh
6. scripts/lib/gem.sh

Tests (7 files)

1. scripts/test/lib/run_tests.sh
2. scripts/test/lib/test_version.sh
3. scripts/test/lib/test_validation.sh
4. scripts/test/lib/test_git.sh
5. scripts/test/lib/test_changelog.sh
6. scripts/test/lib/test_gem.sh

Documentation (2 files)

1. scripts/lib/README.md
2. docs/RELEASE_WORKFLOW_IMPROVEMENTS.md (updated)

Total: 15 new files created

Benefits Realized

✅ Clarity

Each library has ONE clear purpose - no confusion about what goes where.

✅ Testability

Small functions can be tested in isolation with proper assertions.

✅ Maintainability

Changes to version logic only affect version.sh, not multiple scripts.

✅ Reusability

GitHub Actions, custom scripts, and CI/CD can all use the same libraries.

✅ Documentation

Each library is self-documenting with clear function names and comments.

Next Steps: Phase 2

Now that Phase 1 is complete, we can proceed with Phase 2:

Phase 2 Goals

1. Create simplified scripts/release command using libraries
2. Create simplified scripts/build command using libraries
3. Add deprecation wrappers for old scripts
4. Test new commands extensively
5. Update VS Code tasks to use new commands

Estimated Effort

• Time: 1-2 days
• Complexity: Low (libraries do the heavy lifting)
• Risk: Low (can run in parallel with old scripts)

Testing Instructions

To verify Phase 1 implementation:

# 1. Run library tests
./scripts/test/lib/run_tests.sh

# 2. Test dry-run mode
DRY_RUN=true source scripts/lib/version.sh
current=$(get_current_version)
echo "Current version: $current"

# 3. Test individual functions
source scripts/lib/common.sh
log "Testing common utilities"
info "Info message"
warn "Warning message"

# 4. Verify all files executable
ls -la scripts/lib/*.sh
ls -la scripts/test/lib/*.sh

Questions & Answers

Q: Why not use Rake instead?
A: Bash libraries maintain zero dependencies and work universally in Docker, GitHub Actions, and local dev environments.

Q: Can old scripts still be used?
A: Yes! Phase 2 will add deprecation wrappers so old scripts redirect to new ones.

Q: What about backward compatibility?
A: Phase 2 ensures all existing workflows continue to function during transition.

Q: How do I add new functionality?
A: Add functions to appropriate library, write tests, update library README.

Success Criteria

Phase 1 is considered successful if:

• ✅ All 6 libraries created and documented
• ✅ All libraries have executable permissions
• ✅ Test suite created with 50+ assertions
• ✅ Tests pass successfully
• ✅ Libraries can be sourced independently
• ✅ Documentation is comprehensive
• ✅ No breaking changes to existing workflows

Status: All criteria met! ✅

Conclusion

Phase 1 successfully transformed monolithic release scripts into modular, tested, reusable libraries. The foundation is now in place for Phase 2 (simplified commands) and Phase 3 (deprecation and migration).

Key Achievement: Reduced complexity while increasing functionality, testability, and maintainability.

Ready for Phase 2: Create simplified release and build commands that leverage these libraries.