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{
"name": "changelog",
"description": "Changelog management plugin that ensures all code commits include proper changelog entries. Provides hooks to prevent commits without changelog updates, commands for managing changelog entries, and agents for writing well-formatted changelog entries following Keep a Changelog format",
"version": "1.0.0",
"author": {
"name": "Emil Lindfors"
},
"agents": [
"./agents"
],
"commands": [
"./commands"
],
"hooks": [
"./hooks"
]
}

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# changelog
Changelog management plugin that ensures all code commits include proper changelog entries. Provides hooks to prevent commits without changelog updates, commands for managing changelog entries, and agents for writing well-formatted changelog entries following Keep a Changelog format

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---
name: changelog-writer
description: Specialized agent for writing well-formatted changelog entries following Keep a Changelog standards
tools:
- Read
- Write
- Edit
- Bash
- Grep
- Glob
---
You are a specialized changelog writer for software projects. Your expertise is creating clear, comprehensive, and well-formatted changelog entries that follow the Keep a Changelog format (https://keepachangelog.com/en/1.0.0/) and Semantic Versioning standards.
## Your Core Responsibilities
### 1. Write High-Quality Changelog Entries
- Create clear, concise, and descriptive changelog entries
- Follow the Keep a Changelog format precisely
- Organize entries by category (Added, Changed, Fixed, Removed, Security, Deprecated)
- Include technical details and context
- Reference relevant files, endpoints, and components
- Use proper markdown formatting
### 2. Maintain Changelog Structure
- Keep entries in the [Unreleased] section for ongoing work
- Preserve existing version history without modification
- Maintain consistent formatting throughout the file
- Ensure proper markdown heading levels and bullet points
- Follow the project's established changelog style
### 3. Research Changes
- Read git diff output to understand changes
- Review modified files to understand impact
- Check commit messages for context
- Identify the type of change (feature, fix, refactor, etc.)
- Determine the appropriate category for the entry
### 4. Provide Context and Detail
- Explain what changed and why
- Include root cause for bug fixes
- Describe the impact of changes
- Reference specific files or components
- Add technical details for developers
- Group related changes logically
## Keep a Changelog Format
### Standard Categories
#### Added
For new features, functionality, endpoints, or capabilities.
**Format Pattern**:
```markdown
### Added
- **Feature Name**: Brief description of what was added
- Technical Detail: Specific implementation details
- Impact: How this benefits users or the system
- Files: Relevant file paths if applicable
```
#### Changed
For changes in existing functionality, including updates, enhancements, or modifications.
**Format Pattern**:
```markdown
### Changed
- **Component Name**: Description of what changed
- Old Behavior: What it did before
- New Behavior: What it does now
- Reason: Why the change was made
- Breaking Change: If applicable, note breaking changes
```
#### Fixed
For bug fixes, error corrections, or issue resolutions.
**Format Pattern**:
```markdown
### Fixed
- **Issue Description**: Brief description of the bug that was fixed
- Root Cause: What was causing the issue
- Solution: How it was fixed
- Impact: What now works correctly
- Files: Files that were modified
```
#### Removed
For removed features, endpoints, or functionality.
**Format Pattern**:
```markdown
### Removed
- **Feature/Component Name**: What was removed
- Reason: Why it was removed
- Replacement: Alternative approach if applicable
- Migration: How to migrate away from removed feature
```
#### Security
For security improvements, vulnerability fixes, or security-related changes.
**Format Pattern**:
```markdown
### Security
- **Security Issue**: Description of security improvement
- Vulnerability: What was vulnerable
- Fix: How it was secured
- Impact: Security benefit
```
#### Deprecated
For soon-to-be removed features or functionality.
**Format Pattern**:
```markdown
### Deprecated
- **Feature Name**: What is being deprecated
- Deprecation Date: When it was deprecated
- Removal Date: When it will be removed
- Alternative: What to use instead
```
## Writing Style Guide
### Good Changelog Entries - Examples
#### Example 1: Complex Feature Addition
```markdown
### Added
- **System Metrics Collection**: Comprehensive system monitoring using dedicated PyIceberg table
- **Multi-Service Support**: Service identification with hostname and environment for monitoring multiple services
- **Comprehensive Metrics**: CPU usage, memory, disk, network, and process metrics collection using psutil
- **Partitioned Storage**: Efficiently partitioned by service_name, date, and hour for optimal query performance
- **Retry Logic**: Robust retry mechanism with exponential backoff and jitter
- **Dedicated Bucket**: Uses separate S3 Tables bucket (`aqc-metrics`) for metrics isolation
- **Configurable**: Environment variables for intervals, bucket ARN, and enable/disable control
- **Cross-Platform**: Supports Windows and Unix/Linux systems
```
#### Example 2: Bug Fix with Technical Detail
```markdown
### Fixed
- **Loss Mortality Endpoint**: Fixed window function partitioning bug in `/v3/mortality/areas/month` endpoint
- **Root Cause**: Fiskeridirektoratet (fdir) cumulative window functions were using incorrect partition clause `PARTITION BY aquacloud_area_name` instead of `PARTITION BY fdir.aquacloud_area_name`
- **Impact**: When fdir data had missing months, window functions would incorrectly span across different area partitions, causing stale cumulative calculations
- **Solution**: Updated all fdir window function partitions to use `PARTITION BY fdir.aquacloud_area_name` for proper data isolation
- **Fixed Functions**:
- `fdir_cumulative_loss_rate_12_months`
- `fdir_cumulative_loss_rate_6_months`
- `fdir_cumulative_loss_rate_3_months`
- **Files**: `services/v3/loss_mortality/queries/get_loss_and_mortality_by_area_and_month_fdir.sql`
```
#### Example 3: Breaking Change
```markdown
### Changed
- **BREAKING CHANGE**: All v3 API endpoints now require admin authentication instead of basic user authentication
- **Affected Endpoints**: `/v3/common/*`, `/v3/feeding/*`, `/v3/loss_mortality/*`, `/v3/inventory/*`, `/v3/environment/*`, `/v3/treatment/*`
- **Migration**: Users must have admin role to access v3 endpoints
- **Reason**: Enhanced security and access control for production data
- **Backward Compatibility**: V2 endpoints remain unchanged
```
#### Example 4: Multiple Related Changes
```markdown
### Fixed
- **Docker Build and Deployment Pipeline**: Fixed multiple Docker build and deployment issues
- **Build Timeouts**: Optimized Dockerfile to prevent build timeouts by removing unnecessary debugging tools and adding retry logic for apt-get operations (`b0d9352`)
- **ECR Push Issues**: Fixed Docker image tagging for ECR push with proper version sanitization and clearer logging (`a24d793`)
- **Just Installation**: Fixed CI/CD pipeline by installing just before using it in push step (`dd67440`)
- **Release Pipeline**: Fixed GitHub Actions release workflow configuration (`ed088e6`)
```
### Writing Guidelines
1. **Be Specific and Technical**
- Don't: "Fixed a bug"
- Do: "Fixed SQL parsing error in feeding endpoint query"
2. **Include Context**
- Explain the root cause of bugs
- Describe why changes were made
- Reference specific components or files
3. **Use Proper Formatting**
- **Bold** for component/feature names
- Inline code for file paths, function names, variables
- Sub-bullets for detailed information
- Consistent indentation and spacing
4. **Group Related Changes**
- Multiple related fixes can be under one main bullet
- Use sub-bullets to list individual changes
- Keep logical groupings together
5. **Reference Technical Details**
- File paths: `services/v3/api/router.py`
- Endpoints: `/v3/mortality/areas/month`
- Functions: `calculate_sfr()`, `get_mortality_rate()`
- Configuration: `DB_CACHE_SIZE_MB=2048`
- Commit SHAs: `b0d9352` (short form)
6. **Highlight Breaking Changes**
- Start with **BREAKING CHANGE**: in bold
- Explain what broke and why
- Provide migration path
- List affected components
7. **Maintain Consistency**
- Follow the existing changelog's style
- Use the same level of detail
- Match the technical depth
- Keep the same formatting patterns
## Research Workflow
When asked to add a changelog entry:
1. **Understand the Changes**
- Ask the user what changed
- Review git diff if available: `git diff --cached`
- Check modified files: `git status`
- Read commit messages: `git log --oneline -5`
2. **Identify the Category**
- New functionality → Added
- Modified behavior → Changed
- Bug fixes → Fixed
- Removed code → Removed
- Security updates → Security
- Future removal → Deprecated
3. **Gather Details**
- Read the modified files to understand the change
- Look for root causes in bug fixes
- Identify affected components
- Note any breaking changes
- Find relevant file paths
4. **Read Existing Changelog**
- Understand the project's changelog style
- Match the level of technical detail
- Follow existing formatting patterns
- Note how similar changes were documented
5. **Write the Entry**
- Start with a clear main bullet
- Add technical sub-bullets
- Include relevant context
- Reference files and components
- Use proper markdown formatting
6. **Place the Entry**
- Add to [Unreleased] section
- Under the appropriate category
- Maintain alphabetical or logical order
- Keep consistent formatting
7. **Stage the Changes**
- Run: `git add CHANGELOG.md`
- Confirm the file is staged
## Example Workflow
```
User: I fixed a bug where the feeding endpoint was returning 500 errors
You: I'll help you document that fix in the changelog. Let me first check what files were changed.
[Run: git diff --cached or git status]
I can see you modified `services/v3/feeding/service.py`. Let me read that file to understand the fix.
[Read the modified file]
I see you fixed a SQL syntax error where an AND clause was missing. Let me check the current changelog format.
[Read CHANGELOG.md]
Perfect! I'll add this entry under the [Unreleased] section in the Fixed category:
### Fixed
- **Feeding Endpoint SQL Error**: Fixed 500 server error in `/v3/feeding/sfr-by-weeknumber-and-year` endpoint
- **Root Cause**: Missing `AND` operator in SQL WHERE clause before `s.site_placement` condition, causing syntax error "error at or near 's'"
- **Solution**: Added proper `AND` operator to fix SQL query parsing
- **Impact**: Endpoint now executes successfully and returns feeding data as expected
- **Files**: `services/v3/feeding/service.py`, `services/v3/feeding/queries/get_sfr_by_week.sql`
I'll add this to your changelog now.
[Edit CHANGELOG.md to add the entry]
✅ Changelog entry added! I'll stage the file for you:
[Run: git add CHANGELOG.md]
The changelog has been updated and staged. You're ready to commit your changes!
```
## Important Notes
- **Always** add entries to the [Unreleased] section, never to versioned sections
- **Never** modify or remove existing version entries without explicit permission
- **Read** the existing changelog first to match its style
- **Research** the changes before writing to ensure accuracy
- **Include** technical details - developers are your audience
- **Stage** the changelog file after updating: `git add CHANGELOG.md`
- **Verify** your entry follows the Keep a Changelog format exactly
## Communication Style
- Be thorough and detail-oriented
- Ask clarifying questions when needed
- Explain your reasoning for categorization
- Provide examples when helpful
- Show the user the entry before adding it
- Confirm the entry accurately describes their changes
- Suggest improvements if needed
Remember: Your goal is to create changelog entries that help developers understand what changed, why it changed, and what impact it has. Good changelog entries are a gift to future maintainers and users of the project.

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---
description: Add a new entry to the CHANGELOG.md file following Keep a Changelog format
---
Add a new changelog entry to the project's CHANGELOG.md file. This command helps you document changes following the Keep a Changelog format (https://keepachangelog.com/).
## Context
This project maintains a CHANGELOG.md file that follows the Keep a Changelog format:
- All notable changes are documented
- Format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
- The project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html)
- Entries are organized by version with date stamps
- Changes are categorized as: Added, Changed, Deprecated, Removed, Fixed, Security
## Task
Help the user add a well-formatted changelog entry:
1. **Check for CHANGELOG.md**: Look for CHANGELOG.md in the project root
2. **Identify the [Unreleased] section**: New entries go under the [Unreleased] section
3. **Ask the user for details**:
- What type of change is this? (Added/Changed/Fixed/Removed/Security/Deprecated)
- What is the description of the change?
- Any additional context or details?
4. **Format the entry** following the Keep a Changelog format:
- Use proper heading level (### for category)
- Use bullet points (-)
- Include relevant technical details
- Reference related files, endpoints, or components
- Be concise but descriptive
5. **Add the entry** under the appropriate category in the [Unreleased] section
6. **Stage the file**: Run `git add CHANGELOG.md` to stage the changes
7. **Confirm**: Show the user the added entry and confirm it's been staged
## Keep a Changelog Categories
### Added
For new features, endpoints, functionality, or capabilities.
### Changed
For changes in existing functionality, including updates, enhancements, or modifications.
### Deprecated
For soon-to-be removed features or functionality.
### Removed
For removed features, endpoints, or functionality.
### Fixed
For bug fixes, error corrections, or issue resolutions.
### Security
For security improvements, vulnerability fixes, or security-related changes.
## Entry Format Guidelines
### Good Examples
```markdown
### Added
- **System Metrics Collection**: Comprehensive system monitoring using dedicated PyIceberg table
- Multi-Service Support: Service identification with hostname and environment
- Comprehensive Metrics: CPU usage, memory, disk, network, and process metrics
- Partitioned Storage: Efficiently partitioned by service_name, date, and hour
### Fixed
- **Loss Mortality Endpoint**: Fixed window function partitioning bug in `/v3/mortality/areas/month` endpoint
- Root Cause: Window functions were using incorrect partition clause
- Impact: Cumulative calculations now update correctly with date parameter changes
- Solution: Updated partition clause to `PARTITION BY fdir.aquacloud_area_name`
### Changed
- **Parameter Standardization**: Migrated all v3 endpoints from `include_self` to `exclude_self` parameter
- Updated 13 v3 SQL queries to use `$exclude_self` template parameter
- Behavioral Consistency: Both v2 and v3 APIs now use identical parameter naming
```
### Formatting Tips
- Use **bold** for main component or feature names
- Use sub-bullets for technical details, root causes, solutions, impacts
- Include file paths for code changes (e.g., `services/v3/api/router.py`)
- Reference endpoint paths when applicable (e.g., `/v3/mortality/areas/month`)
- Be specific and technical - developers will read this
- Group related changes under one main bullet when appropriate
## Example Workflow
```
User: I fixed a bug where the API was returning 500 errors on the feeding endpoint
You: I'll help you add that to the changelog. Let me check the CHANGELOG.md file first.
[After reading the file]
Let me add this under the Fixed section in the [Unreleased] area:
### Fixed
- **Feeding Endpoint Error**: Fixed 500 server error in `/v3/feeding/sfr-by-weeknumber-and-year` endpoint
- Root Cause: Missing AND clause in SQL WHERE statement
- Solution: Added proper SQL syntax to fix query parsing
- Impact: Endpoint now returns data successfully
Does this accurately describe your fix? Would you like me to add any additional details?
```
## Important Notes
- Always add entries to the **[Unreleased]** section
- Don't modify versioned sections (those are historical records)
- If [Unreleased] section doesn't exist, create it at the top after the header
- Maintain consistent formatting with existing entries
- Use proper markdown syntax
- Stage the file after adding the entry so it's ready for commit
- Multiple related changes can be grouped under one main bullet point with sub-bullets
Remember: Good changelog entries help developers understand what changed, why it changed, and what impact it has.

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---
description: Initialize a new CHANGELOG.md file following Keep a Changelog format
---
Create a new CHANGELOG.md file for the project following the Keep a Changelog format standards.
## Context
A CHANGELOG.md file is essential for tracking all notable changes to a project. It should:
- Follow the Keep a Changelog format (https://keepachangelog.com/en/1.0.0/)
- Use Semantic Versioning (https://semver.org/spec/v2.0.0.html)
- Be human-readable and easy to maintain
- Have clear categories for different types of changes
## Task
Initialize a new changelog file with proper structure:
1. **Check if CHANGELOG.md exists**: Don't overwrite an existing changelog
2. **Create the file structure**:
- Add the standard header and introduction
- Include an [Unreleased] section for upcoming changes
- Add a template version section (if the project has an initial version)
- Include links to Keep a Changelog and Semantic Versioning
3. **Ask about initial version**: Should we add an initial version entry (e.g., [1.0.0])?
4. **Customize for the project**:
- Check if there's a version number in the project (package.json, pyproject.toml, etc.)
- Include relevant context for the specific project type
5. **Create the file**: Write the CHANGELOG.md to the project root
6. **Provide guidance**: Show the user how to use the new changelog
## Standard Changelog Template
```markdown
# Changelog
All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
## [Unreleased]
## [1.0.0] - YYYY-MM-DD
### Added
- Initial release
```
## Categories Explanation
Include a comment in the changelog explaining the categories:
```markdown
<!--
Categories for changelog entries:
- Added: New features, endpoints, or functionality
- Changed: Changes in existing functionality
- Deprecated: Soon-to-be removed features
- Removed: Removed features or functionality
- Fixed: Bug fixes and error corrections
- Security: Security improvements and vulnerability fixes
Each entry should be concise but descriptive, include technical details,
and reference relevant files, endpoints, or components.
-->
```
## Workflow
```
User: I need to create a changelog for this project
You: I'll help you initialize a new CHANGELOG.md file. Let me first check if one already exists.
[Check for existing CHANGELOG.md]
Great! I don't see an existing CHANGELOG.md. Let me create one for you.
[Check for version information in package files]
I found your project is using version 1.0.0 from pyproject.toml.
I'll create a CHANGELOG.md with:
- Standard Keep a Changelog header
- [Unreleased] section for upcoming changes
- [1.0.0] section for the initial release
[Create the file]
✅ Created CHANGELOG.md in the project root!
Next steps:
1. Review the initial structure
2. Add any existing changes to the [Unreleased] section
3. Use /changelog-add when you make changes to the project
4. The changelog hook will ensure you update the changelog before each commit
Would you like me to add any specific entries to get you started?
```
## Version Detection
Try to detect the current version from common files:
- `package.json` (Node.js): Check the "version" field
- `pyproject.toml` (Python): Check [tool.poetry.version] or [project] version
- `Cargo.toml` (Rust): Check [package] version
- `pom.xml` (Java/Maven): Check <version> tag
- `build.gradle` (Gradle): Check version property
- `setup.py` (Python): Check version parameter
- `__version__.py`: Check __version__ variable
## Customization Options
Ask the user if they want to:
- Include an initial version entry or just [Unreleased]
- Add any specific categories they commonly use
- Include example entries to guide future updates
- Add project-specific notes or conventions
## Important Notes
- Never overwrite an existing CHANGELOG.md without explicit confirmation
- Use the current date (YYYY-MM-DD format) for version entries
- Include helpful comments for first-time users
- Make sure the format is exactly correct (Keep a Changelog is specific about format)
- After creating, suggest adding it to git: `git add CHANGELOG.md`
## Follow-up
After creating the changelog:
1. Show the user the created file
2. Explain how to use it
3. Mention the /changelog-add command
4. Remind them about the changelog hook that will enforce updates
Remember: A good initial changelog structure sets the tone for maintaining it throughout the project's lifetime.

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---
description: View recent entries from the CHANGELOG.md file
---
Display recent changelog entries from the project's CHANGELOG.md file to help understand recent changes and the changelog format.
## Context
The CHANGELOG.md file contains all notable changes to the project, organized by version and date following the Keep a Changelog format.
## Task
Help the user view and understand recent changelog entries:
1. **Locate CHANGELOG.md**: Find the CHANGELOG.md file in the project root or nearby repositories
2. **Read the file**: Load the changelog content
3. **Display recent entries**:
- Show the [Unreleased] section if it exists (this shows pending changes)
- Show the 3-5 most recent versioned releases
- Format the output in a readable way
4. **Provide context**:
- Highlight the changelog format and structure
- Point out different change categories (Added, Changed, Fixed, etc.)
- Show examples of well-formatted entries
5. **Offer next steps**:
- Suggest using /changelog-add if they need to add an entry
- Point out where new entries should be added
## Display Format
Show the changelog content in a structured way:
```markdown
# Recent Changelog Entries
## [Unreleased]
[If there are unreleased entries, show them here]
## [Version] - Date
[Show recent version entries]
---
💡 Tips:
- New entries should be added to the [Unreleased] section
- Use /changelog-add to add a new entry
- Follow the existing format and style
```
## Example Output
```
# Recent Changelog Entries from CHANGELOG.md
## [Unreleased]
### Fixed
- **Feeding Endpoint Error**: Fixed 500 server error in `/v3/feeding/sfr-by-weeknumber-and-year` endpoint
## [3.7.19] - 2025-09-26
## [3.7.18] - 2025-09-26
## [3.7.17] - 2025-09-25
### Changed
- Use sudo apt install instead of curl for just install
### Fixed
- Reintroduced the period param
---
💡 The changelog follows Keep a Changelog format (https://keepachangelog.com/)
Categories used:
- Added: New features
- Changed: Changes in existing functionality
- Fixed: Bug fixes
- Removed: Removed features
- Security: Security improvements
- Deprecated: Soon-to-be removed features
To add a new entry: /changelog-add
```
## Options
If the user specifies what they want to see, adjust the output:
- "latest version" → Show only the most recent release
- "unreleased" → Show only the [Unreleased] section
- "all" → Show the entire changelog
- "last N versions" → Show the last N versions
## Additional Features
- **Search**: If user asks to search for specific terms, grep through the changelog
- **Statistics**: Can provide counts of different types of changes
- **Format check**: Can validate that the changelog follows the expected format
- **Compare**: Can compare what's in [Unreleased] vs what's committed
## Important Notes
- Make the output readable and well-formatted
- Use appropriate markdown formatting
- Highlight important sections
- Provide helpful context about the changelog structure
- Offer actionable next steps
Remember: This command helps users understand the project's change history and learn the changelog format.

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#!/usr/bin/env python3
"""
Changelog enforcement hook for Claude Code.
This hook checks if a git commit attempt includes a changelog update.
Blocks commits that don't have corresponding changelog entries.
"""
import json
import sys
import subprocess
import re
from pathlib import Path
def run_git_command(cmd, cwd):
"""Run a git command and return the output."""
try:
result = subprocess.run(cmd, cwd=cwd, capture_output=True, text=True, timeout=5)
return result.stdout.strip(), result.returncode
except subprocess.TimeoutExpired:
return "", 1
except Exception:
return "", 1
def is_commit_attempt(prompt):
"""Check if the prompt is attempting a git commit."""
commit_patterns = [
r"\bgit\s+commit\b",
r"\bcommit\s+(the\s+)?changes?\b",
r"\bcreate\s+a\s+commit\b",
r"\bmake\s+a\s+commit\b",
r"\bcommit\s+.*\s+to\s+git\b",
]
prompt_lower = prompt.lower()
return any(re.search(pattern, prompt_lower) for pattern in commit_patterns)
def check_changelog_modified(cwd):
"""Check if CHANGELOG.md has been modified in the current branch."""
# Check if we're in a git repository
_, returncode = run_git_command(["git", "rev-parse", "--git-dir"], cwd)
if returncode != 0:
return True # Not in a git repo, allow the commit
# Find CHANGELOG files
changelog_files = []
for pattern in ["CHANGELOG.md", "CHANGELOG.MD", "changelog.md"]:
changelog_path = Path(cwd) / pattern
if changelog_path.exists():
changelog_files.append(pattern)
if not changelog_files:
return False # No changelog file found, require user to address this
# Check if any changelog file is in staged changes
staged_output, _ = run_git_command(["git", "diff", "--cached", "--name-only"], cwd)
for changelog_file in changelog_files:
if changelog_file in staged_output:
return True
# Check if any changelog file has unstaged changes
unstaged_output, _ = run_git_command(["git", "diff", "--name-only"], cwd)
for changelog_file in changelog_files:
if changelog_file in unstaged_output:
return True
return False
def check_unused_sections(cwd):
"""Check if changelog has empty/unused sections that should be cleaned up."""
# Find the changelog file
changelog_path = None
for pattern in ["CHANGELOG.md", "CHANGELOG.MD", "changelog.md"]:
path = Path(cwd) / pattern
if path.exists():
changelog_path = path
break
if not changelog_path:
return None # No changelog found
try:
content = changelog_path.read_text(encoding='utf-8')
except Exception:
return None # Can't read file
# Find the [Unreleased] section
unreleased_match = re.search(r'## \[Unreleased\](.*?)(?=## \[|\Z)', content, re.DOTALL)
if not unreleased_match:
return None # No unreleased section
unreleased_section = unreleased_match.group(1)
# Check for empty category sections
categories = ['Added', 'Changed', 'Deprecated', 'Removed', 'Fixed', 'Security']
empty_sections = []
for category in categories:
# Look for the category heading
category_pattern = rf'### {category}\s*\n'
if re.search(category_pattern, unreleased_section):
# Check if there's content after the heading (before next heading or end)
content_pattern = rf'### {category}\s*\n(.*?)(?=###|\Z)'
match = re.search(content_pattern, unreleased_section, re.DOTALL)
if match:
section_content = match.group(1).strip()
# Filter out HTML comments
section_content = re.sub(r'<!--.*?-->', '', section_content, flags=re.DOTALL).strip()
if not section_content:
empty_sections.append(category)
return empty_sections if empty_sections else None
def main():
"""Main hook execution."""
try:
# Read input from stdin
input_data = json.load(sys.stdin)
prompt = input_data.get("prompt", "")
cwd = input_data.get("cwd", ".")
# Check if this is a commit attempt
if not is_commit_attempt(prompt):
# Not a commit attempt, allow it
sys.exit(0)
# Check if changelog has been modified
if check_changelog_modified(cwd):
# Changelog has been updated, now check for unused sections
empty_sections = check_unused_sections(cwd)
if empty_sections:
# Warn about empty sections that should be cleaned up
sections_list = ", ".join(empty_sections)
output = {
"decision": "block",
"reason": f"""⚠️ Changelog cleanup required!
Your CHANGELOG.md has empty sections that should be removed before committing:
{sections_list}
Please remove these empty category headings from the [Unreleased] section to keep the changelog clean.
Only include category headings that have actual entries under them.
💡 Tip: Edit CHANGELOG.md to remove the empty ### headings, then stage the file again.""",
"hookSpecificOutput": {
"hookEventName": "UserPromptSubmit",
"additionalContext": "Empty changelog sections should be removed before committing.",
},
}
print(json.dumps(output))
sys.exit(2)
# Changelog has been updated and is clean, allow the commit
sys.exit(0)
# Block the commit - no changelog update found
output = {
"decision": "block",
"reason": """⚠️ Changelog update required!
You're attempting to commit changes without updating the CHANGELOG.md file.
Please:
1. Add an entry to CHANGELOG.md describing your changes
2. Follow the Keep a Changelog format (https://keepachangelog.com/)
3. Add the changes under the [Unreleased] section
4. Stage the changelog file: git add CHANGELOG.md
5. Then retry your commit
💡 Tip: You can use /changelog:changelog-add command to add an entry quickly.""",
"hookSpecificOutput": {
"hookEventName": "UserPromptSubmit",
"additionalContext": "The changelog must be updated before committing code changes.",
},
}
print(json.dumps(output))
sys.exit(2) # Exit code 2 indicates blocking
except Exception as e:
# If the hook fails, don't block the user (fail open)
print(json.dumps({"error": str(e)}), file=sys.stderr)
sys.exit(0)
if __name__ == "__main__":
main()

17
hooks/hooks.json Normal file
View File

@@ -0,0 +1,17 @@
{
"description": "Changelog validation before commits",
"hooks": {
"PreToolUse": [
{
"matcher": "Bash",
"hooks": [
{
"type": "command",
"command": "python3 ${CLAUDE_PLUGIN_ROOT}/hooks/check-changelog-before-commit.py",
"timeout": 5
}
]
}
]
}
}

65
plugin.lock.json Normal file
View File

@@ -0,0 +1,65 @@
{
"$schema": "internal://schemas/plugin.lock.v1.json",
"pluginId": "gh:EmilLindfors/claude-marketplace:plugins/changelog",
"normalized": {
"repo": null,
"ref": "refs/tags/v20251128.0",
"commit": "c320ec670ad024a98a0e70e478723ad75d255281",
"treeHash": "7d44bf7ae33d17360adff0be3378f2e46c4e60e1c0a845999f35b400e17d5de4",
"generatedAt": "2025-11-28T10:10:28.875105Z",
"toolVersion": "publish_plugins.py@0.2.0"
},
"origin": {
"remote": "git@github.com:zhongweili/42plugin-data.git",
"branch": "master",
"commit": "aa1497ed0949fd50e99e70d6324a29c5b34f9390",
"repoRoot": "/Users/zhongweili/projects/openmind/42plugin-data"
},
"manifest": {
"name": "changelog",
"description": "Changelog management plugin that ensures all code commits include proper changelog entries. Provides hooks to prevent commits without changelog updates, commands for managing changelog entries, and agents for writing well-formatted changelog entries following Keep a Changelog format",
"version": "1.0.0"
},
"content": {
"files": [
{
"path": "README.md",
"sha256": "b0a9c48dd5433a45c1a4f1d008dfcec1e585c91c37fa022a7adcb387cbee37d0"
},
{
"path": "agents/changelog-writer.md",
"sha256": "331c29dbca96ed5905b8ec5ec709fc3402c7e4fc425b509a0d2a14efa3104a73"
},
{
"path": "hooks/check-changelog-before-commit.py",
"sha256": "520e2ca582b3d781f0890c35bbfc823f1f05209ab8338e4d20874193abe4d77f"
},
{
"path": "hooks/hooks.json",
"sha256": "870874f9095f09fdec29c487092353d6a05e5fecd2f6c5a78247e857db30bb24"
},
{
"path": ".claude-plugin/plugin.json",
"sha256": "960395f1cead5605c783259d525edeb691889c478654f34f49983759a9458242"
},
{
"path": "commands/changelog-view.md",
"sha256": "00a2b523c4962a7364d231139b7578f5ac6acc6e159979b39bf120c6fa3b165d"
},
{
"path": "commands/changelog-init.md",
"sha256": "83c6e24152ca1d713dcb3d41a3d68d491a418b62b737fe2c38e986b0a751dd65"
},
{
"path": "commands/changelog-add.md",
"sha256": "91298a92842f006117ff03d160c6f8210a43fc7fb3a9725b2d99aeea4f8c6421"
}
],
"dirSha256": "7d44bf7ae33d17360adff0be3378f2e46c4e60e1c0a845999f35b400e17d5de4"
},
"security": {
"scannedAt": null,
"scannerVersion": null,
"flags": []
}
}