[WIP] Add support for annotated and signed tags

[Copilot]

✅ Implementation Complete - Annotated and GPG-Signed Tags Support

Summary

Successfully implemented support for creating annotated and GPG-signed tags as requested in the issue. The implementation is backward compatible, well-tested, and fully documented.

Features Added

1. Annotated Tags

• Command line: --annotate-tag or --annotate-tag="Custom message"
• Configuration: 'annotateTag' => true in .changelog file
• Creates annotated tags using git tag -a -m <message>
• Improved handling of boolean and custom message values

2. GPG-Signed Tags (New!)

• Command line: --sign-tag
• Configuration: 'signTag' => true in .changelog file
• Creates GPG-signed tags using git tag -s -m <message>
• GPG-signed tags are automatically annotated (no need to specify both)

Changes Made

• Added --sign-tag command line option
• Added signTag configuration option to Configuration class
• Added annotateTag configuration option to Configuration class
• Enhanced Repository::tag() method to support GPG signing
• Fixed annotation message handling (boolean and string support)
• Updated README.md with usage examples
• Updated docs/config.md with configuration details
• Added 8 new tests (23 total tests, 44 assertions, 100% passing)
• All code style checks passing (PHP-CS-Fixer)

Files Modified (7 files, +209 lines, -4 lines)

1. src/Configuration.php - Configuration options
2. src/DefaultCommand.php - Command line option
3. src/Git/Repository.php - Tag method implementation
4. src/Changelog.php - Integration logic
5. tests/ChangelogTest.php - Comprehensive tests
6. README.md - Usage documentation
7. docs/config.md - Configuration documentation

Backward Compatibility

✅ Fully backward compatible

• Default behavior unchanged (lightweight tags)
• All existing tests pass
• Existing --annotate-tag option improved but compatible

Testing & Quality

• ✅ 23 unit tests, 44 assertions, 100% passing
• ✅ PHP-CS-Fixer code style checks passing
• ✅ Command generation verified
• ✅ Configuration parsing verified

Usage Examples

Command Line:

# Annotated tag
php vendor/bin/conventional-changelog --commit --annotate-tag

# GPG-signed tag
php vendor/bin/conventional-changelog --commit --sign-tag

# Custom message
php vendor/bin/conventional-changelog --commit --annotate-tag="Release v1.0.0"

Configuration File (.changelog):

<?php
return [
    'annotateTag' => true,  // Always create annotated tags
    'signTag' => true,      // Always create GPG-signed tags
];

Original prompt

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This section details on the original issue you should resolve

<issue_title>Annotated and signed tags</issue_title>
<issue_description>Hello,

First of all, it is really nice and useful project! 👍

Are there any future plans (or maybe possible configuration which I have overlooked) to create annotated tags instead of lightweight tags; and also to sign them?</issue_description>

Comments on the Issue (you are @copilot in this section)

Fixes #23

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