detect-pipenv-lock-bug.sh

detect-pipenv-lock-bug.sh

#!/bin/bash

ATTEMPTS=20


step () {
    tput setaf 5; tput bold
    echo
    echo "$@"
    tput sgr 0
}


step "Creating a test directory"
mkdir pipenv-test || exit 1
cd pipenv-test

step "Installing requirements"
pipenv --two install pytest-cov pytest-vcr

step "Locking dependencies"
pipenv lock --verbose

step "Adding result files to a git repository"
git init
git add Pipfile Pipfile.lock
git commit -m 'Initial commit'

step "Trying to bring out the issue"
attempt=0
while [ $attempt -lt ${ATTEMPTS} ]
do

    attempt=$[$attempt + 1]
    sleep 2

    tput setaf 3; tput bold
    echo "Attempt ${attempt}"
    tput sgr 0

    pipenv lock --verbose
    echo

    if [ -n "$(git diff)" ]
    then
        git --no-pager diff

        echo
        tput setaf 1; tput bold
        echo "Something was changed on attempt ${attempt}"
        tput sgr 0

        exit 1
    fi
done

step "No issues were found after ${ATTEMPTS} attempts"

exit 0