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---
name: nav-upgrade
description: Automates Navigator plugin updates. Detects current version, updates plugin, verifies installation, updates project CLAUDE.md, and validates new features. Auto-invoke when user mentions upgrading Navigator or getting new features.
allowed-tools: Bash, Read, Write, Edit, TodoWrite
version: 1.0.0
---
# Navigator Upgrade Skill
Automate Navigator plugin updates with version detection, conflict resolution, and post-update validation.
## When to Invoke
Auto-invoke when user says:
- "Update Navigator"
- "Upgrade Navigator plugin"
- "Get latest Navigator version"
- "Update to Navigator v3.3.0"
- "Install new Navigator features"
- "Check for Navigator updates"
## What This Does
**5-Step Workflow**:
1. **Version Detection**: Check current Navigator version vs latest
2. **Plugin Update**: Execute `/plugin update navigator`
3. **Verification**: Confirm update succeeded
4. **CLAUDE.md Update**: Update project configuration (via nav-update-claude)
5. **Feature Discovery**: Show new features available
**Time Savings**: Manual update (10-15 min) → Automated (2 min)
---
## Prerequisites
- Navigator plugin installed
- Project initialized with Navigator
- Internet connection for plugin update
---
## Workflow Protocol
### Step 1: Version Detection
**Execute**: `version_detector.py`
**Check both stable and pre-release versions**:
```bash
# Current installed version
grep '"version"' .claude-plugin/plugin.json
# Get all releases (including pre-releases)
curl -s https://api.github.com/repos/alekspetrov/navigator/releases
# Parse:
# - Latest stable (prerelease: false)
# - Latest pre-release (prerelease: true)
# - Compare with current version
```
**Output scenarios**:
**Scenario 1: Stable update available**
```json
{
"current_version": "4.0.0",
"latest_stable": "4.2.0",
"latest_prerelease": null,
"recommendation": "update_to_stable"
}
```
**Scenario 2: Pre-release available (user on stable)**
```json
{
"current_version": "4.0.0",
"latest_stable": "4.0.0",
"latest_prerelease": "4.3.0",
"recommendation": "offer_prerelease_option"
}
```
**Present choice**:
```
✅ You're on the latest stable version (v4.0.0)
⚡ Experimental version available: v4.3.0
New in v4.3.0 (Experimental):
• Multi-Claude agentic workflows
• 30% success rate (use for simple features)
• PM integration with ticket closing
Options:
[1] Stay on stable v4.0.0 (recommended)
[2] Try experimental v4.3.0 (early adopter)
Your choice [1-2]:
```
**Scenario 3: Already on latest (stable or pre-release)**
```
✅ You're on v4.3.0 (latest experimental)
Latest stable: v4.0.0
Status: You're ahead of stable (testing experimental features)
New features in your version:
- Multi-Claude workflows
- Task agents in sub-Claude phases
```
Skip to Step 5 (Feature Discovery).
**Scenario 4: On pre-release, newer stable available**
```
⚠️ You're on v4.3.0 (experimental)
Latest stable: v4.5.0
Recommendation: Update to stable v4.5.0
Experimental features from v4.3.0 are now stable.
```
---
### Step 2: Plugin Update
**Scenario-based update strategy**:
#### Scenario 2: Pre-release Available (User on Stable)
When pre-release detected, present choice using AskUserQuestion tool:
```markdown
✅ You're on latest stable version (v4.0.0)
⚡ Experimental version available: v4.3.0
New in v4.3.0 (Experimental):
• Multi-Claude agentic workflows
• 30% success rate (use for simple features)
• PM integration with ticket closing
**Question**: Which version would you like?
**Options**:
[1] **Stay on stable v4.0.0** (recommended)
- Production-ready
- No experimental features
- Most reliable
[2] **Try experimental v4.3.0** (early adopter)
- Multi-Claude workflows
- Latest features
- 30% completion rate
- Help test new functionality
Your choice?
```
**If user chooses [1] (Stay stable)**:
```
✓ Staying on v4.0.0 (latest stable)
No action needed. Run nav-upgrade again when you're ready to try experimental features.
```
**If user chooses [2] (Try experimental)**:
```bash
# Uninstall current version
/plugin uninstall navigator
# Add marketplace (if not already added)
/plugin marketplace add alekspetrov/navigator
# Install specific pre-release version
# Note: /plugin update only fetches stable, must install specific version
git clone https://github.com/alekspetrov/navigator.git /tmp/navigator-v4.3.0
cd /tmp/navigator-v4.3.0
git checkout v4.3.0
# Install from local checkout
/plugin install /tmp/navigator-v4.3.0
```
**Then verify installation**:
```bash
/plugin list | grep navigator
# Should show: navigator (v4.3.0)
```
#### Scenario 1: Stable Update Available
**Execute**: `/plugin update navigator`
**Monitor output**:
```
Updating navigator...
✅ Navigator updated to v4.2.0
```
**If update fails**:
```
❌ Update failed: [error message]
Troubleshooting:
1. Restart Claude Code
2. Try: /plugin uninstall navigator && /plugin install navigator
3. Check internet connection
4. Report issue: https://github.com/alekspetrov/navigator/issues
```
**Automatic retry** (once):
If update fails, try uninstall/reinstall automatically:
```bash
/plugin uninstall navigator
/plugin marketplace add alekspetrov/navigator
/plugin install navigator
```
---
### Step 3: Verification
**Execute**: `plugin_verifier.py`
**Verify**:
1. Plugin version matches latest
2. New skills registered in plugin.json
3. Skills are invokable
**Test new skills** (v3.3.0 example):
```bash
# Test that visual-regression skill exists
ls ~/.config/claude/plugins/navigator/skills/visual-regression/SKILL.md 2>/dev/null || echo "Skill not found"
```
**Output**:
```
✅ Update Verification
Version: v3.3.0 ✅
New Skills Registered: visual-regression ✅
Skills Invokable: ✅
Update successful!
```
**If verification fails**:
```
⚠️ Update completed but verification failed
Issue: visual-regression skill not found
Fix: Restart Claude Code to reload skills
After restarting, verify:
"Set up visual regression for Button"
```
Prompt user to restart Claude Code.
---
### Step 4: Update Project CLAUDE.md (Automatic)
**After plugin update, automatically invoke**: `nav-update-claude` skill
```
🔄 Syncing project CLAUDE.md with updated plugin...
✓ Using template from GitHub (v4.3.0)
✓ Extracted customizations
✓ Generated updated CLAUDE.md
```
**What happens automatically**:
1. Detects new plugin version (e.g., v4.3.0)
2. Fetches matching template from GitHub
3. Preserves project customizations
4. Updates CLAUDE.md in current project
5. Shows diff for review
**Template sync benefits**:
- ✅ CLAUDE.md always matches installed plugin version
- ✅ No template drift (v4.0 templates with v4.3 plugin)
- ✅ Pre-release templates accessible
- ✅ Offline fallback to bundled templates
**User action required**:
```
Review changes and commit:
git add CLAUDE.md
git commit -m "chore: update CLAUDE.md to Navigator v4.3.0"
```
**See**: `nav-update-claude` skill for details.
---
### Step 5: Post-Upgrade Setup Check
**Check if new features require setup**:
```bash
# Check for skills with setup requirements
if [ -f "$NAVIGATOR_PATH/skills/product-design/setup.sh" ]; then
# Check if venv exists
if [ ! -d "$NAVIGATOR_PATH/skills/product-design/venv" ]; then
echo "⚠️ product-design skill requires setup"
NEEDS_SETUP=true
fi
fi
```
**If setup needed, show instructions**:
```markdown
⚠️ New Feature Requires Setup
The product-design skill (v3.4.0+) requires Python dependencies:
**One-time setup** (30 seconds):
```bash
cd ~/.claude/plugins/marketplaces/jitd-marketplace/skills/product-design
./setup.sh
```
**What this installs**:
- Python MCP SDK for direct Figma connection
- 95% orchestration reduction
- 92% token savings
**After setup, use**:
"Review this Figma design: [URL]"
```
**Record setup needed in TodoWrite** for tracking.
---
### Step 6: Feature Discovery
**Show new features** available in updated version.
**For v3.3.0 update**:
````markdown
🎉 Navigator v3.3.0 Update Complete!
## New Features Available
### visual-regression Skill (NEW)
Set up Storybook + Chromatic in 5 minutes instead of 2-3 hours.
**Usage**:
```
"Set up visual regression for ProfileCard"
"Add Chromatic to Button component"
"Configure visual tests for Input, Card, Modal"
```
**What it does**:
✅ Generates Storybook stories with all variants
✅ Configures Chromatic/Percy/BackstopJS
✅ Creates CI workflows (GitHub Actions, GitLab CI)
✅ Adds accessibility tests
**Complete Design Pipeline** (v3.2 + v3.3):
1. "Review this design from Figma" (v3.2)
2. Implement components
3. "Set up visual regression" (v3.3 NEW)
4. Automated visual testing in CI
### Updated Skills Count
- **17 total skills** (was 16)
- 10 core Navigator skills
- 7 development skills
### Integration
visual-regression integrates with product-design skill for complete design→code→testing workflow.
## Try It Now
If you have Storybook in this project:
```
"Set up visual regression for [ComponentName]"
```
If you don't have Storybook:
```bash
npx storybook init
```
Then:
```
"Set up visual regression for [ComponentName]"
```
## Documentation
- Release Notes: https://github.com/alekspetrov/navigator/releases/tag/v3.3.0
- Skill Docs: skills/visual-regression/SKILL.md
- Examples: skills/visual-regression/examples/
- SOP: .agent/sops/testing/visual-regression-setup.md (created in your project)
````
---
## Predefined Functions
### functions/version_detector.py
**Purpose**: Detect current and latest Navigator versions
**Usage**:
```bash
python3 functions/version_detector.py
```
**Output**:
```json
{
"current_version": "3.2.0",
"latest_version": "3.3.0",
"update_available": true,
"release_url": "https://github.com/alekspetrov/navigator/releases/tag/v3.3.0",
"changes": {
"new_skills": ["visual-regression"],
"updated_skills": ["product-design"],
"new_features": ["Multi-tool VR support", "CI workflows"],
"breaking_changes": []
}
}
```
### functions/plugin_updater.py
**Purpose**: Execute plugin update with retry logic
**Usage**:
```bash
python3 functions/plugin_updater.py --target-version 3.3.0
```
**Actions**:
1. Execute `/plugin update navigator`
2. If fails, retry with uninstall/reinstall
3. Verify update succeeded
4. Return status
### functions/plugin_verifier.py
**Purpose**: Verify update completed successfully
**Usage**:
```bash
python3 functions/plugin_verifier.py --expected-version 3.3.0
```
**Checks**:
- Plugin version matches expected
- New skills exist in filesystem
- Skills registered in plugin.json
- Skills are invokable (test invocation)
---
## Error Handling
### Update Failed: Network Error
```
❌ Update failed: Could not connect to plugin marketplace
Fix:
1. Check internet connection
2. Try again in a few minutes
3. Manual update: /plugin uninstall navigator && /plugin install navigator
```
### Update Failed: Permission Denied
```
❌ Update failed: Permission denied
Fix:
1. Close Claude Code
2. Check ~/.config/claude/plugins/ permissions
3. Restart Claude Code
4. Try update again
```
### Verification Failed: Skills Not Found
```
⚠️ Update completed but new skills not found
Fix:
1. Restart Claude Code (required for skill reload)
2. Verify: /plugin list
3. Test: "Set up visual regression for Button"
```
Automatically prompt user to restart.
### CLAUDE.md Update Conflicts
```
⚠️ CLAUDE.md update has conflicts with your customizations
Options:
[1] Keep my customizations (merge new features)
[2] Use new template (lose customizations)
[3] Show me the diff first
Reply with choice
```
Let user decide how to handle conflicts.
---
## Upgrade Paths
### From v3.0.x to v3.3.0
**Changes**:
- +2 skills (nav-markers in v3.1, visual-regression in v3.3)
- OpenTelemetry integration (v3.1)
- Product design skill (v3.2)
- Visual regression skill (v3.3)
**Breaking changes**: None (fully backward compatible)
### From v3.1.x to v3.3.0
**Changes**:
- Product design skill (v3.2)
- Visual regression skill (v3.3)
- Updated skills count (17 total)
**Breaking changes**: None
### From v3.2.x to v3.3.0
**Changes**:
- Visual regression skill
- Integration with product-design workflow
- Updated skills count (17 total)
**Breaking changes**: None
---
## Post-Update Checklist
After upgrade, verify:
- ✅ `/plugin list` shows new version
- ✅ CLAUDE.md updated with new patterns
- ✅ New skills auto-invoke on natural language
- ✅ Existing skills still work
- ✅ No conflicts in project configuration
**If all checked**: Update successful!
---
## Rollback
If update causes issues:
```
"Rollback Navigator to v3.2.0"
```
This will:
1. Uninstall current version
2. Install specific version from marketplace
3. Update CLAUDE.md to match
4. Verify rollback succeeded
---
## Integration Points
### With nav-update-claude
After plugin update, automatically invokes `nav-update-claude` to sync project configuration.
### With nav-start
After update, `nav-start` shows new features available in session statistics.
### With nav-init
If upgrading before project initialization, suggests running `nav-init` with latest features.
---
## Examples
### Example 1: Simple Update
```
User: "Update Navigator"
→ Detects: v3.2.0 → v3.3.0 available
→ Updates plugin
→ Updates CLAUDE.md
→ Shows: "visual-regression skill now available"
→ Suggests: "Set up visual regression for [Component]"
```
### Example 2: Already on Latest
```
User: "Update Navigator"
→ Detects: Already on v3.3.0
→ Shows new features available
→ Suggests trying visual-regression if not used yet
```
### Example 3: Update with Restart Required
```
User: "Update Navigator"
→ Updates plugin
→ Verification: Skills not found (needs restart)
→ Prompts: "Please restart Claude Code to complete update"
→ After restart: Verification succeeds
```
---
## Best Practices
1. **Update regularly**: Check for updates monthly
2. **Read release notes**: Understand new features before using
3. **Test new skills**: Try new features in test project first
4. **Report issues**: File GitHub issues for update problems
5. **Backup CLAUDE.md**: Keep backup before update (auto-created)
---
## Version History
- **v1.0.0**: Initial nav-upgrade skill (Navigator v3.3.1)
---
## Future Enhancements
- Auto-update check on `nav-start` (opt-in)
- Changelog display in CLI
- Update notifications for major versions
- Automated migration scripts for breaking changes
---
**Last Updated**: 2025-10-21
**Skill Type**: Core Navigator
**Auto-Invocation**: Yes

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#!/usr/bin/env python3
"""
Navigator Plugin Updater
Executes plugin update with retry logic and verification.
Usage:
python plugin_updater.py [--target-version VERSION]
"""
import argparse
import json
import subprocess
import sys
import time
from typing import Dict
def update_plugin_via_claude() -> Dict:
"""
Execute /plugin update navigator command.
Returns:
Dict with success status and output
"""
try:
# Execute update command
result = subprocess.run(
['claude', 'plugin', 'update', 'navigator'],
capture_output=True,
text=True,
timeout=60
)
success = result.returncode == 0
return {
'success': success,
'output': result.stdout,
'error': result.stderr,
'method': 'update'
}
except subprocess.TimeoutExpired:
return {
'success': False,
'error': 'Update timed out after 60 seconds',
'method': 'update'
}
except FileNotFoundError:
return {
'success': False,
'error': 'claude command not found. Is Claude Code installed?',
'method': 'update'
}
except Exception as e:
return {
'success': False,
'error': str(e),
'method': 'update'
}
def reinstall_plugin() -> Dict:
"""
Uninstall and reinstall Navigator plugin.
Returns:
Dict with success status
"""
try:
# Uninstall
uninstall_result = subprocess.run(
['claude', 'plugin', 'uninstall', 'navigator'],
capture_output=True,
text=True,
timeout=30
)
if uninstall_result.returncode != 0:
return {
'success': False,
'error': f'Uninstall failed: {uninstall_result.stderr}',
'method': 'reinstall'
}
# Wait a moment
time.sleep(2)
# Add from marketplace
add_result = subprocess.run(
['claude', 'plugin', 'marketplace', 'add', 'alekspetrov/navigator'],
capture_output=True,
text=True,
timeout=30
)
if add_result.returncode != 0:
return {
'success': False,
'error': f'Marketplace add failed: {add_result.stderr}',
'method': 'reinstall'
}
# Wait a moment
time.sleep(2)
# Install
install_result = subprocess.run(
['claude', 'plugin', 'install', 'navigator'],
capture_output=True,
text=True,
timeout=60
)
success = install_result.returncode == 0
return {
'success': success,
'output': install_result.stdout,
'error': install_result.stderr if not success else None,
'method': 'reinstall'
}
except subprocess.TimeoutExpired:
return {
'success': False,
'error': 'Reinstall timed out',
'method': 'reinstall'
}
except Exception as e:
return {
'success': False,
'error': str(e),
'method': 'reinstall'
}
def update_with_retry(target_version: str = None) -> Dict:
"""
Update Navigator plugin with automatic retry on failure.
Args:
target_version: Optional specific version to install
Returns:
Dict with final update status
"""
report = {
'attempts': [],
'final_success': False,
'target_version': target_version
}
# Attempt 1: Normal update
print("Attempting plugin update...", file=sys.stderr)
attempt1 = update_plugin_via_claude()
report['attempts'].append(attempt1)
if attempt1['success']:
report['final_success'] = True
return report
# Attempt 2: Reinstall
print("Update failed. Attempting reinstall...", file=sys.stderr)
time.sleep(2)
attempt2 = reinstall_plugin()
report['attempts'].append(attempt2)
if attempt2['success']:
report['final_success'] = True
return report
# Both failed
return report
def get_post_update_instructions(success: bool, method: str) -> str:
"""Generate post-update instructions."""
if success:
return """
✅ Update Successful
Next steps:
1. Restart Claude Code to reload skills
2. Verify version: /plugin list
3. Update project CLAUDE.md: "Update my CLAUDE.md to latest Navigator version"
4. Try new features (if any)
"""
else:
return f"""
❌ Update Failed (method: {method})
Troubleshooting:
1. Restart Claude Code
2. Try manual update:
/plugin uninstall navigator
/plugin marketplace add alekspetrov/navigator
/plugin install navigator
3. Check internet connection
4. Report issue: https://github.com/alekspetrov/navigator/issues
"""
def main():
"""CLI entry point."""
parser = argparse.ArgumentParser(description='Update Navigator plugin')
parser.add_argument('--target-version', help='Target version to install', default=None)
args = parser.parse_args()
# Run update with retry
report = update_with_retry(args.target_version)
# Add instructions
final_attempt = report['attempts'][-1] if report['attempts'] else {}
method = final_attempt.get('method', 'unknown')
report['instructions'] = get_post_update_instructions(report['final_success'], method)
# Output as JSON
print(json.dumps(report, indent=2))
# Exit code
sys.exit(0 if report['final_success'] else 1)
if __name__ == '__main__':
main()

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#!/usr/bin/env python3
"""
Navigator Plugin Verifier
Verifies that Navigator plugin update completed successfully.
Usage:
python plugin_verifier.py --expected-version 3.3.0
"""
import argparse
import json
import os
import re
import subprocess
import sys
from pathlib import Path
from typing import Dict, List
def get_installed_version() -> str:
"""
Get installed Navigator version from /plugin list.
Returns:
Version string or None
"""
try:
result = subprocess.run(
['claude', 'plugin', 'list'],
capture_output=True,
text=True,
timeout=10
)
for line in result.stdout.split('\n'):
if 'navigator' in line.lower():
match = re.search(r'v?(\d+\.\d+\.\d+)', line)
if match:
return match.group(1)
return None
except Exception:
return None
def find_plugin_directory() -> Path:
"""
Find Navigator plugin installation directory.
Returns:
Path to plugin directory or None
"""
possible_paths = [
Path.home() / '.config' / 'claude' / 'plugins' / 'navigator',
Path.home() / '.claude' / 'plugins' / 'navigator',
Path.home() / 'Library' / 'Application Support' / 'Claude' / 'plugins' / 'navigator',
]
for path in possible_paths:
if path.exists() and path.is_dir():
return path
return None
def verify_skills_exist(plugin_dir: Path, expected_skills: List[str]) -> Dict:
"""
Verify that expected skills exist in plugin directory.
Args:
plugin_dir: Path to plugin directory
expected_skills: List of skill names to check
Returns:
Dict with verification results
"""
skills_dir = plugin_dir / 'skills'
if not skills_dir.exists():
return {
'success': False,
'error': 'Skills directory not found'
}
results = {}
for skill_name in expected_skills:
skill_path = skills_dir / skill_name / 'SKILL.md'
results[skill_name] = skill_path.exists()
all_exist = all(results.values())
return {
'success': all_exist,
'skills_checked': results,
'missing_skills': [name for name, exists in results.items() if not exists]
}
def verify_plugin_json(plugin_dir: Path, expected_skills: List[str]) -> Dict:
"""
Verify that skills are registered in plugin.json.
Args:
plugin_dir: Path to plugin directory
expected_skills: List of skill names to check
Returns:
Dict with verification results
"""
plugin_json_path = plugin_dir / '.claude-plugin' / 'plugin.json'
if not plugin_json_path.exists():
return {
'success': False,
'error': 'plugin.json not found'
}
try:
with open(plugin_json_path, 'r') as f:
data = json.load(f)
registered_skills = data.get('skills', [])
# Check each expected skill
results = {}
for skill_name in expected_skills:
skill_path = f'./skills/{skill_name}'
results[skill_name] = skill_path in registered_skills
all_registered = all(results.values())
return {
'success': all_registered,
'skills_checked': results,
'unregistered_skills': [name for name, registered in results.items() if not registered]
}
except (json.JSONDecodeError, FileNotFoundError) as e:
return {
'success': False,
'error': str(e)
}
def verify_update(expected_version: str, expected_new_skills: List[str] = None) -> Dict:
"""
Comprehensive verification of Navigator plugin update.
Args:
expected_version: Expected version after update (e.g., "3.3.0")
expected_new_skills: List of new skills expected in this version
Returns:
Complete verification report
"""
report = {
'expected_version': expected_version,
'checks': {},
'overall_success': False,
'needs_restart': False
}
# Check 1: Version matches
installed_version = get_installed_version()
report['checks']['version'] = {
'expected': expected_version,
'actual': installed_version,
'success': installed_version == expected_version
}
# Check 2: Plugin directory exists
plugin_dir = find_plugin_directory()
report['checks']['plugin_directory'] = {
'success': plugin_dir is not None,
'path': str(plugin_dir) if plugin_dir else None
}
if not plugin_dir:
report['recommendation'] = 'Plugin directory not found. Reinstall Navigator.'
return report
# Check 3: New skills exist (if specified)
if expected_new_skills:
skills_check = verify_skills_exist(plugin_dir, expected_new_skills)
report['checks']['skills_exist'] = skills_check
# Check 4: Skills registered in plugin.json
registration_check = verify_plugin_json(plugin_dir, expected_new_skills)
report['checks']['skills_registered'] = registration_check
# If skills exist but verification shows they're not accessible, needs restart
if skills_check['success'] and not registration_check['success']:
report['needs_restart'] = True
# Overall success
all_checks_passed = all(
check.get('success', False)
for check in report['checks'].values()
)
report['overall_success'] = all_checks_passed
# Generate recommendation
if all_checks_passed:
report['recommendation'] = 'Update verified successfully!'
elif report['needs_restart']:
report['recommendation'] = 'Update completed. Restart Claude Code to reload skills.'
else:
failed_checks = [name for name, check in report['checks'].items() if not check.get('success')]
report['recommendation'] = f"Verification failed: {', '.join(failed_checks)}"
return report
def main():
"""CLI entry point."""
parser = argparse.ArgumentParser(description='Verify Navigator plugin update')
parser.add_argument('--expected-version', required=True, help='Expected version (e.g., 3.3.0)')
parser.add_argument('--new-skills', nargs='*', help='New skills to verify', default=[])
args = parser.parse_args()
# Run verification
report = verify_update(args.expected_version, args.new_skills or None)
# Output as JSON
print(json.dumps(report, indent=2))
# Exit code
if report['overall_success']:
sys.exit(0)
elif report['needs_restart']:
sys.exit(2) # Special exit code for restart needed
else:
sys.exit(1)
if __name__ == '__main__':
main()

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#!/usr/bin/env python3
"""
Navigator Version Detector
Detects current Navigator version and checks for updates from GitHub releases.
Usage:
python version_detector.py
"""
import json
import os
import re
import subprocess
import sys
from pathlib import Path
from typing import Dict, Optional
from urllib import request
def get_current_version() -> Optional[str]:
"""
Get currently installed Navigator version from /plugin list.
Returns:
Version string (e.g., "3.3.0") or None if not found
"""
try:
# Try to run claude plugin list command
result = subprocess.run(
['claude', 'plugin', 'list'],
capture_output=True,
text=True,
timeout=10
)
# Parse output for navigator version
for line in result.stdout.split('\n'):
if 'navigator' in line.lower():
# Extract version (e.g., "navigator (v3.3.0)" or "navigator (3.3.0)")
match = re.search(r'v?(\d+\.\d+\.\d+)', line)
if match:
return match.group(1)
return None
except (subprocess.TimeoutExpired, FileNotFoundError, subprocess.SubprocessError):
return None
def get_plugin_json_version() -> Optional[str]:
"""
Fallback: Get version from plugin.json in Navigator plugin directory.
Returns:
Version string or None
"""
# Common plugin installation paths
possible_paths = [
Path.home() / '.config' / 'claude' / 'plugins' / 'navigator' / '.claude-plugin' / 'plugin.json',
Path.home() / '.claude' / 'plugins' / 'navigator' / '.claude-plugin' / 'plugin.json',
Path.home() / 'Library' / 'Application Support' / 'Claude' / 'plugins' / 'navigator' / '.claude-plugin' / 'plugin.json',
]
for path in possible_paths:
if path.exists():
try:
with open(path, 'r') as f:
data = json.load(f)
return data.get('version')
except (json.JSONDecodeError, FileNotFoundError, PermissionError):
continue
return None
def get_latest_version_from_github() -> Dict:
"""
Get latest Navigator version from GitHub releases API.
Returns:
Dict with version, release_url, and changes
"""
try:
url = 'https://api.github.com/repos/alekspetrov/navigator/releases/latest'
req = request.Request(url)
req.add_header('User-Agent', 'Navigator-Version-Detector')
with request.urlopen(req, timeout=10) as response:
data = json.load(response)
# Extract version from tag_name (e.g., "v3.3.0" → "3.3.0")
tag_name = data.get('tag_name', '')
version = tag_name.lstrip('v')
# Parse release notes for key changes
body = data.get('body', '')
changes = parse_release_notes(body)
return {
'version': version,
'release_url': data.get('html_url', ''),
'release_date': data.get('published_at', '').split('T')[0],
'changes': changes
}
except Exception as e:
return {
'version': None,
'error': str(e)
}
def parse_release_notes(body: str) -> Dict:
"""
Parse release notes to extract key changes.
Args:
body: Release notes markdown
Returns:
Dict with new_skills, updated_skills, new_features, breaking_changes
"""
changes = {
'new_skills': [],
'updated_skills': [],
'new_features': [],
'breaking_changes': []
}
# Extract new skills
skill_pattern = r'-\s+\*\*(\w+-[\w-]+)\*\*:.*\(NEW\)'
for match in re.finditer(skill_pattern, body):
changes['new_skills'].append(match.group(1))
# Extract features from "What's New" section
features_section = re.search(r'##\s+.*What.*s New(.*?)(?=##|\Z)', body, re.DOTALL | re.IGNORECASE)
if features_section:
# Find bullet points
for line in features_section.group(1).split('\n'):
if line.strip().startswith('-') or line.strip().startswith('*'):
feature = line.strip().lstrip('-*').strip()
if feature and len(feature) < 100: # Reasonable feature description
changes['new_features'].append(feature)
# Check for breaking changes
if 'breaking change' in body.lower() or '⚠️' in body:
breaking_section = re.search(r'##\s+.*Breaking.*Changes(.*?)(?=##|\Z)', body, re.DOTALL | re.IGNORECASE)
if breaking_section:
for line in breaking_section.group(1).split('\n'):
if line.strip().startswith('-') or line.strip().startswith('*'):
change = line.strip().lstrip('-*').strip()
if change:
changes['breaking_changes'].append(change)
return changes
def compare_versions(current: str, latest: str) -> int:
"""
Compare two semantic versions.
Args:
current: Current version (e.g., "3.2.0")
latest: Latest version (e.g., "3.3.0")
Returns:
-1 if current < latest (update available)
0 if current == latest (up to date)
1 if current > latest (ahead of latest, e.g., dev version)
"""
try:
current_parts = [int(x) for x in current.split('.')]
latest_parts = [int(x) for x in latest.split('.')]
# Pad to same length
while len(current_parts) < len(latest_parts):
current_parts.append(0)
while len(latest_parts) < len(current_parts):
latest_parts.append(0)
# Compare
for c, l in zip(current_parts, latest_parts):
if c < l:
return -1
elif c > l:
return 1
return 0
except (ValueError, AttributeError):
return 0 # Can't compare, assume equal
def detect_version() -> Dict:
"""
Detect current and latest Navigator versions.
Returns:
Complete version detection report
"""
# Get current version
current_version = get_current_version()
if not current_version:
# Fallback to plugin.json
current_version = get_plugin_json_version()
# Get latest version from GitHub
latest_info = get_latest_version_from_github()
latest_version = latest_info.get('version')
# Determine if update available
update_available = False
if current_version and latest_version:
comparison = compare_versions(current_version, latest_version)
update_available = (comparison == -1)
# Build report
report = {
'current_version': current_version,
'latest_version': latest_version,
'update_available': update_available,
'release_url': latest_info.get('release_url', ''),
'release_date': latest_info.get('release_date', ''),
'changes': latest_info.get('changes', {}),
'error': latest_info.get('error'),
'recommendation': get_recommendation(current_version, latest_version, update_available)
}
return report
def get_recommendation(current: Optional[str], latest: Optional[str], update_available: bool) -> str:
"""Generate recommendation based on version status."""
if not current:
return "Navigator not detected. Install: /plugin marketplace add alekspetrov/navigator && /plugin install navigator"
if not latest:
return "Could not check for updates. Try again later or check GitHub releases manually."
if update_available:
return f"Update recommended: v{current} → v{latest}. Run: /plugin update navigator"
return f"You're on the latest version (v{current}). No update needed."
def main():
"""CLI entry point."""
report = detect_version()
# Output as JSON
print(json.dumps(report, indent=2))
# Exit with code
# 0 = up to date
# 1 = update available
# 2 = error
if report.get('error'):
sys.exit(2)
elif report.get('update_available'):
sys.exit(1)
else:
sys.exit(0)
if __name__ == '__main__':
main()