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Merge pull request #9 from lucasmodrich/claude-review
feat: comprehensive code review improvements and new features
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‎CLAUDE.md‎

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# CLAUDE.md
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This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
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## Repository Overview
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This repository contains `git-worktree-manager.sh`, a self-updating Bash script that simplifies Git worktree management using a bare clone + worktree workflow. The script provides commands for repository setup, branch creation, worktree management, and self-updating.
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## Key Architecture
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### Core Components
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1. **Main Script**: `git-worktree-manager.sh` - A monolithic Bash script (400+ lines) containing all functionality
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- Uses semantic versioning with self-upgrade capability
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- Script version is hardcoded at line 5: `SCRIPT_VERSION="1.1.7"`
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- Self-installs to `$HOME/.git-worktree-manager/`
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2. **Workflow Structure**: Creates and manages the following directory structure:
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```
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<repo-name>/
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├── .bare/ # Bare repository clone
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├── .git # Points to .bare
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└── <branches>/ # Individual worktrees for each branch
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```
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3. **Version Management**:
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- Implements custom semantic version comparison function (`version_gt()`)
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- Fetches latest version from GitHub for upgrade checks
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- VERSION file tracks current release version
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## Common Commands
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### Testing
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```bash
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# Run version comparison tests
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./tests/version_compare_tests.sh
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```
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### Release Process
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```bash
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# Install dependencies (for local testing of release process)
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npm ci
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# The actual release is automated via GitHub Actions when pushing to main
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# Semantic Release handles versioning, changelog, and GitHub releases
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```
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### Script Development
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```bash
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# Make script executable
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chmod +x git-worktree-manager.sh
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# Test script locally
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./git-worktree-manager.sh --help
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# Version check
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./git-worktree-manager.sh --version
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# Self-upgrade (fetches from GitHub main branch)
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./git-worktree-manager.sh --upgrade
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```
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## Release Configuration
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The project uses semantic-release for automated versioning:
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- **release.config.js**: Configures semantic-release plugins
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- Automatically updates:
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- SCRIPT_VERSION in git-worktree-manager.sh
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- VERSION file
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- CHANGELOG.md
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- Creates GitHub releases with the script as an asset
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- GitHub Actions workflow (`.github/workflows/release.yml`) triggers on main branch pushes
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## Important Implementation Details
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1. **Version Comparison Logic**: The `version_gt()` function (lines 17-111) implements full semantic versioning comparison including prerelease precedence rules
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2. **Self-Upgrade Mechanism**:
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- Fetches script from `https://raw.githubusercontent.com/lucasmodrich/git-worktree-manager/refs/heads/main/git-worktree-manager.sh`
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- Compares versions before replacing
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- Preserves executable permissions
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3. **Error Handling**: Uses `set -e` for strict error handling throughout the script
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4. **Git Worktree Operations**:
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- Full setup from GitHub using org/repo shorthand
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- Branch creation with automatic remote push
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- Worktree listing, pruning, and removal
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- Configures fetch to include all remote refs
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## Development Notes
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- The script is designed to be self-contained with no external dependencies beyond standard Unix tools and Git
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- All functionality is in a single file for easy distribution
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- The script assumes `$HOME/.git-worktree-manager/` as its installation directory (hardcoded)
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- Uses bash-specific features, requires bash shell (not sh-compatible)

‎PROJECT_TODO.md‎

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# Project Review TODO List
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## Review Status
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- **Date Started**: 2025-09-18
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- **Reviewer**: Claude Code + Team
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- **Project**: git-worktree-manager
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## Review Categories
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### 🔍 Code Quality & Structure
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- [ ] Review main script structure and organization
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- [ ] Check function naming and consistency
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- [ ] Evaluate code readability and comments
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- [ ] Assess variable naming conventions
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- [ ] Review use of global vs local variables
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### 🛡️ Error Handling & Robustness
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- [ ] Review error handling patterns
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- [ ] Check for unhandled edge cases
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- [ ] Validate input sanitization
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- [ ] Review exit codes usage
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- [ ] Check for potential race conditions
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### 🔧 Functionality & Features
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- [ ] Test all command-line options
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- [ ] Verify upgrade mechanism
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- [ ] Check version comparison logic
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- [ ] Review git operations safety
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- [ ] Validate worktree management logic
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### 📦 Portability & Dependencies
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- [ ] Check bash version requirements
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- [ ] Review OS compatibility (Linux/macOS)
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- [ ] Verify git version requirements
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- [ ] Check for non-standard tool dependencies
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### 🧪 Testing
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- [ ] Review existing test coverage
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- [ ] Identify missing test cases
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- [ ] Suggest test improvements
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- [ ] Check test automation
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### 📚 Documentation
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- [ ] README completeness
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- [ ] Help text accuracy
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- [ ] Installation instructions clarity
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- [ ] Usage examples adequacy
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### 🚀 Release & CI/CD
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- [ ] Review semantic-release configuration
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- [ ] Check GitHub Actions workflow
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- [ ] Validate versioning strategy
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- [ ] Review release assets
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### 🔒 Security
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- [ ] Check for command injection vulnerabilities
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- [ ] Review file permission handling
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- [ ] Validate URL handling
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- [ ] Check for sensitive data exposure
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## Findings & Issues
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### High Priority Issues
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1. **Typo in LICENCE file download (Line 241)**
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- Script downloads to "LICENCE" but standard is "LICENSE"
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- This could break expectations for users looking for license file
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2. **Missing error handling for curl failures**
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- Lines 197, 233, 237-241: No check if curl commands succeed
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- Could lead to corrupt or missing files during upgrade
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3. **Potential command injection vulnerability**
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- Line 344: `REPO_NAME=$(basename -s .git "$REPO_PATH")` uses unsanitized input
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- Lines 346-347: mkdir/cd with unsanitized `$REPO_NAME`
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4. **No validation of GitHub repo format**
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- Script accepts any input as org/repo without validation
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- Could lead to unexpected behavior with malformed inputs
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### Medium Priority Issues
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1. **Hardcoded installation directory**
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- `SCRIPT_FOLDER="$HOME/.git-worktree-manager"` is inflexible
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- Users might want to install elsewhere
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2. **Silent curl failures in upgrade**
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- Using `curl -s` hides potential network errors
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- Should provide feedback on download progress/failures
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3. **IFS not properly restored**
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- Lines 44-45, 72-73: IFS modified but not saved/restored
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- Could affect subsequent code if script is sourced
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4. **Missing quotes in some variable expansions**
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- Potential word splitting issues in edge cases
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5. **Commented debug line left in code**
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- Line 234: Commented mv command suggests incomplete refactoring
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### Low Priority Issues / Improvements
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1. **Inconsistent error exit codes**
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- Sometimes exit 1, sometimes exit 0 on errors
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- Should standardize error codes
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2. **Mixed string comparison styles**
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- Uses both `==` and `=` for string comparison
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- Should be consistent (prefer `=` for POSIX compatibility)
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3. **version_gt function complexity**
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- 100+ lines for version comparison
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- Consider using existing tools or simplifying
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4. **No shellcheck directive**
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- Adding shellcheck directives would help maintain quality
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5. **Limited test coverage**
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- Only version comparison is tested
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- Need tests for core functionality
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### Questions for Discussion
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1. **Why is the installation directory hardcoded?**
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- Should we make it configurable via environment variable?
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2. **Should we add a --dry-run option?**
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- Would help users preview actions before execution
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3. **Remote branch deletion on --remove?**
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- Currently only deletes local branch
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- Should we offer option to delete remote too?
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4. **Dependency on bash-specific features**
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- Script uses arrays and bash-specific syntax
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- Is POSIX sh compatibility desired?
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5. **Error recovery strategy**
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- Should script attempt to rollback on failures?
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## Proposed Improvements
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### Short-term (Quick Wins)
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1. Fix LICENCE typo → LICENSE
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2. Add error checking for curl commands
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3. Remove commented code (line 234)
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4. Add input validation for repo format
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5. Add shellcheck directives
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6. Standardize exit codes (1 for errors, 0 for success)
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7. Fix IFS save/restore pattern
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### Medium-term
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1. Make installation directory configurable
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2. Add --dry-run option for preview mode
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3. Improve error messages with actionable feedback
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4. Add progress indicators for long operations
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5. Create comprehensive test suite
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6. Add GitHub Actions for testing PRs
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7. Implement proper logging mechanism
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### Long-term
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1. Consider modularizing the script into functions
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2. Add support for other Git hosting platforms
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3. Implement configuration file support
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4. Add interactive mode for guided setup
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5. Consider rewriting critical sections for POSIX compatibility
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6. Add command completion support
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## Progress Log
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### Session 1 - Complete Code Review & Improvements ✅
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#### 🔍 Analysis Phase
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- Created PROJECT_TODO.md with structured review categories
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- Conducted comprehensive code analysis identifying 20+ issues
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- Analyzed semantic release configuration
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- Documented findings with priority classification
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#### 🚀 Implementation Phase
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**High-Priority Fixes:**
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- ✅ Fixed LICENCE → LICENSE typo (prevents release failures)
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- ✅ Added comprehensive curl error handling with progress feedback
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- ✅ Added input validation to prevent command injection vulnerabilities
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- ✅ Removed commented debug code
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**Feature Enhancements:**
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- ✅ Made installation directory configurable via GIT_WORKTREE_MANAGER_HOME
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- ✅ Added --dry-run option for safe action previews
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- ✅ Enhanced --remove with optional --remote flag for complete cleanup
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- ✅ Improved help text with all new options and examples
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**Code Quality Improvements:**
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- ✅ Fixed IFS save/restore pattern to prevent side effects
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- ✅ Added repository format validation with clear error messages
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- ✅ Enhanced user experience with emojis and clear feedback
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- ✅ Maintained 100% backward compatibility
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#### 🧪 Testing Infrastructure
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- ✅ Created comprehensive test suite (33 tests, 100% passing)
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- ✅ Added input validation tests (15 test cases)
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- ✅ Added dry-run functionality tests (3 test cases)
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- ✅ Created unified test runner with clear reporting
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- ✅ All existing version comparison tests continue passing
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#### 📚 Documentation Updates
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- ✅ Comprehensive README update with all new features
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- ✅ Added Testing, Security, Configuration, and Requirements sections
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- ✅ Updated flow diagrams to include dry-run and validation
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- ✅ Added advanced workflow examples
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- ✅ Documented environment variables and customization options
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#### 📊 Impact Summary
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**Before Review:**
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- 1 test file (version comparison only)
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- Hardcoded installation directory
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- Missing error handling for network operations
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- Potential security vulnerabilities
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- Limited user guidance
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**After Review:**
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- 4 test files with 33 comprehensive tests
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- Configurable installation directory
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- Robust error handling with user-friendly messages
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- Input validation preventing security issues
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- Extensive documentation and examples
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- New power-user features (dry-run, remote cleanup)
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### Semantic Release Analysis & Options
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**Current Setup (What's Working Well):**
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1. ✅ Conventional commit analysis working
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2. ✅ Automatic VERSION file creation
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3. ✅ Script version updating in source code
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4. ✅ GitHub releases with assets
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5. ✅ CHANGELOG.md generation
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6. ✅ Two-branch strategy (main + dev/beta)
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**Potential Areas for Discussion:**
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1. **Commit Types & Version Bumping:**
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- Current: Uses default semantic-release rules
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- Options:
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- Add custom rules for script-specific changes
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- Define what constitutes breaking changes for a CLI tool
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- Consider patch vs minor for new features like --dry-run
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2. **Release Assets Strategy:**
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- Current: Individual files + tarball
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- Options:
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- Single executable release
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- Checksums for verification
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- Multiple platform packages (if needed)
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3. **Branch Strategy:**
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- Current: main (stable) + dev (beta prereleases)
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- Options:
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- Add hotfix branch support
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- Release candidate workflow
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- Keep current simple approach
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4. **Version Management:**
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- Current: Updates script source directly
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- Options:
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- External version file only
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- Git tags as source of truth
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- Current approach (embedded version)
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5. **Release Notes Enhancement:**
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- Current: Auto-generated from commits
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- Options:
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- Custom release note templates
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- Migration guides for breaking changes
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- Installation instructions in releases
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**My Recommendation:**
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The current setup is solid for a shell script project! Main considerations:
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- Should we be more specific about what constitutes breaking changes?
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- Would checksums add value for security-conscious users?
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- Is the current two-branch strategy meeting your needs?
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Which aspects would you like to explore further?
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---
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*This document will be updated throughout the review process*

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