A pre-commit hook that performs checks based on what is being committed.

pre-commit

#! /bin/bash

# Before we allow a commit, let's first enable preflight.
# To disable this check, set NO_PREFLIGHT=1
# The commit will fail if the preflight checks do.
set -e;

should_check() {
  APP=$1
  FOUND="-1"
  while read file; do
    if [[ "$file" = *"$APP"* ]]; then
      FOUND="0";
      break
    fi
  done <<< $(git diff --cached --staged --name-only)
  echo "$FOUND"
}

## Begin Main ##

if [ -z "$NO_PREFLIGHT" ]; then
  cat << EOF
-----------------------------------------------------
Running preflight checks... (this could take a while)

You might want to go get a coffee or talk a walk. ☕️
-----------------------------------------------------
EOF
  if [[ $(should_check "api") -eq 0 ]]; then
    echo "[$(date)] Linting the API..."
    python flake8

    echo "[$(date)] Running the API tests..."
    pytest
  else
    echo "[$(date)] Skipping API. Nothing was modified."
  fi


  if [[ $(should_check "client") -eq 0 ]]; then
    echo "[$(date)] Linting the client..."
    yarn run lint

    echo "[$(date)] Running the client tests..."
    yarn run test
  else
    echo "[$(date)] Skipping client. Nothing was modified."
  fi

  cat << EOF
-----------------------------------------------------
Done with preflight checks! 🎉🎉🎉

Committing...
-----------------------------------------------------
EOF
fi