usage: cz changelog [-h] [--dry-run] [--file-name FILE_NAME]
                    [--unreleased-version UNRELEASED_VERSION] [--incremental]
                    [--start-rev START_REV] [--merge-prerelease]
                    [--version-scheme {pep440,semver,semver2}]
                    [--export-template EXPORT_TEMPLATE] [--template TEMPLATE]
                    [--extra EXTRA] [--tag-format TAG_FORMAT]
                    [rev_range]

Generate changelog (note that it will overwrite existing files)

positional arguments:
  rev_range             Generate changelog for the given version (e.g., 1.5.3)
                        or version range (e.g., 1.5.3..1.7.9).

options:
  -h, --help            show this help message and exit
  --dry-run             Show changelog to stdout.
  --file-name FILE_NAME
                        File name of changelog (default: 'CHANGELOG.md').
  --unreleased-version UNRELEASED_VERSION
                        Set the value for the new version (use the tag value),
                        instead of using unreleased versions.
  --incremental         Generate changelog from the last created version,
                        useful if the changelog has been manually modified.
  --start-rev START_REV
                        Start rev of the changelog. If not set, it will
                        generate changelog from the beginning.
  --merge-prerelease    Collect all changes from prereleases into the next
                        non-prerelease. If not set, it will include
                        prereleases in the changelog.
  --version-scheme {pep440,semver,semver2}
                        Choose version scheme.
  --export-template EXPORT_TEMPLATE
                        Export the changelog template into this file instead
                        of rendering it.
  --template, -t TEMPLATE
                        Changelog template file name (relative to the current
                        working directory).
  --extra, -e EXTRA     Changelog extra variables (in the form 'key=value').
  --tag-format TAG_FORMAT
                        The format of the tag, wrap around simple quotes.
