pre-commit

#!/bin/bash
REPO_ROOT_DIR="$(git rev-parse --show-toplevel)"
REPORT_STRING=""

RESULT=0
EXISTING_UNSTAGED_CHANGES=`git diff --name-only`
if [ ${#EXISTING_UNSTAGED_CHANGES[@]} ]; then
  if black --quiet --check --config "${REPO_ROOT_DIR}/pyproject.toml" "${REPO_ROOT_DIR}"; then
    REPORT_STRING+="Black ✔ | "
    true
  else
    REPORT_STRING+="Black ❌ | "
    RESULT+=1
  fi
else
  black --quiet --config "${REPO_ROOT_DIR}/pyproject.toml" "${REPO_ROOT_DIR}"
  NEW_UNSTAGED_CHANGES=`git diff --name-only`
  if [ ${#NEW_UNSTAGED_CHANGES[@]} ]; then
    git add -u
    REPORT_STRING+="Black 💪 | "
  else
    REPORT_STRING+="Black ✔ | "
  fi
fi

mypy "${REPO_ROOT_DIR}" > /dev/null
MYPY_RESULT=$?
if [[ $MYPY_RESULT -eq 1 ]]; then
  REPORT_STRING+="Mypy ❌ | "
  RESULT+=1
else
  REPORT_STRING+="Mypy ✔ | "
fi

flake8 "${REPO_ROOT_DIR}" > /dev/null
FLAKE8_RESULT=$?
if [[ $FLAKE8_RESULT -eq 1 ]]; then
  REPORT_STRING+="flake8 ❌"
  RESULT+=1
else
  REPORT_STRING+="flake8 ✔"
fi

echo $REPORT_STRING

if (( $RESULT > 0 )); then
  echo "⚠ Commit aborted ⚠"
  exit 1
else
  exit 0
fi