lint.sh

#!/bin/bash

echo "inside $0"

RET=0

echo "Running ruff check"
ruff check statsmodels

if [ "$LINT" == true ]; then
    echo "Running flake8 linting"
    echo "Linting all files with limited rules"
    flake8 statsmodels
    if [ $? -ne "0" ]; then
        echo "Changed files failed linting using the required set of rules."
        echo "Additions and changes must conform to Python code style rules."
        RET=1
    fi

    # Tests any new python files
    if [ -f $(git rev-parse --git-dir)/shallow ]; then
        # Unshallow only when required, i.e., on CI
        echo "Repository is shallow"
        git fetch --unshallow --quiet
    fi
    git config remote.origin.fetch "+refs/heads/*:refs/remotes/origin/*"
    git fetch origin --quiet
    NEW_FILES=$(git diff origin/main --name-status -u -- "*.py" | grep ^A | cut -c 3- | paste -sd " " -)
    if [ -n "$NEW_FILES" ]; then
        echo "Linting newly added files with strict rules"
        echo "New files: $NEW_FILES"
        flake8 --isolated --max-line-length 88 --ignore=E203,E501,E701 $(eval echo $NEW_FILES)
        if [ $? -ne "0" ]; then
            echo "New files failed linting."
            RET=1
        fi
    else
        echo "No new files to lint"
    fi
fi

echo "Running isort"
isort --check-only statsmodels

exit "$RET"