CLI Reference

diff-cover

diff-cover [coverage_files...] [options]

Coverage files may be lcov.info or XML reports such as Cobertura, Clover, JaCoCo, or generic XML coverage.

Option	Description
--format <value>	Output formats, for example html:coverage.html,json:coverage.json.
--show-uncovered	Print uncovered changed lines in the console report.
--expand-coverage-report	Fill missing report lines from previous line hits.
--external-css-file <file>	Write report CSS to a separate file and link it from HTML.
--src-roots <dirs...>	Source roots used for JaCoCo path resolution.

diff-quality

diff-quality [reports...] --violations <driver> [options]

Supported drivers are eslint, pylint, flake8, shellcheck, cppcheck, checkstyle, and findbugs.

Option	Description
--violations <driver>	Static analysis driver. Default: eslint.
--html-report <file>	Write an HTML report.
--json-report <file>	Write a JSON report.
--options <options>	Extra options passed to the driver command.
--report-root-path <path>	Root path used to normalize report file paths.

Shared Options

Option	Description
--compare-branch <branch>	Branch or ref to compare against. Default: origin/main.
--fail-under <score>	Exit with code 1 if the diff score is lower than this value.
--ignore-staged	Ignore staged changes.
--ignore-unstaged	Ignore unstaged changes.
--include-untracked	Include untracked files.
--exclude <patterns...>	Exclude files by glob pattern.
--include <patterns...>	Include files by glob pattern.
--diff-range-notation <range>	Use ... or .. Git range notation.
--ignore-whitespace	Ignore whitespace-only diff changes.
--config-file <file>	Read TOML configuration.
--diff-file <file>	Read a saved diff file instead of running Git.
--total-percent-float	Print total percentages with two decimal places.