usage: diff-cover [-h] [--html-report FILENAME] [--json-report
FILENAME]
- [--markdown-report FILENAME] [--show-uncovered] [--expand-coverage-report]
[--external-css-file FILENAME] [--compare-branch BRANCH] [--fail-under
SCORE] [--ignore-staged] [--ignore-unstaged] [--include-untracked]
[--exclude EXCLUDE [EXCLUDE ...]] [--include INCLUDE [INCLUDE ...]]
[--src-roots DIRECTORY [DIRECTORY ...]] [--diff-range-notation
RANGE_NOTATION] [--version] [--ignore-whitespace] [-q] [-c CONFIG_FILE]
[--diff-file DIFF_FILE] coverage_file [coverage_file ...]
Automatically find diff lines that need test coverage.