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Adds a --version flag that displays the current mxdev version. The version is automatically derived from git tags via hatch-vcs during build. Changes: - Import __version__ from auto-generated _version.py with ImportError fallback - Add --version argument to argparse parser - Add comprehensive test cases: - test_parser_version(): verifies --version prints version and exits cleanly - test_version_format(): validates version string format - Update CHANGES.md with feature documentation Example usage: $ mxdev --version mxdev 5.0.1 All 194 tests pass (192 existing + 2 new version tests).
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Summary
Adds a
--versioncommand-line option to display the current mxdev version.Changes
__version__from auto-generated_version.pywith graceful ImportError fallbackaction="version"patterntest_parser_version(): Verifies--versionprints version and exits with code 0test_version_format(): Validates version string format and semantic versioningExample Usage
$ mxdev --version mxdev 5.0.1 # Development versions show full git info $ mxdev --version mxdev 5.0.1.dev27+g62877d7Testing
Implementation Details
The version is automatically derived from git tags via hatch-vcs during build (configured in
pyproject.toml). The_version.pyfile is auto-generated and excluded from version control.For development/non-installed environments, the version gracefully falls back to "unknown (not installed)".