Simple Elixir/Phoenix pre-commit hook

pre-commit

#!/bin/sh

# Get staged Elixir files
STAGED_FILES=$(git diff --cached --name-only -- '*.ex' '*.exs' '*.heex' '*.eex')

if [ -z "$STAGED_FILES" ]; then
  echo "No Elixir files to check."
  exit 0
fi

# Run mix format on staged files
echo "Running mix format on staged files..."
mix format $STAGED_FILES

# Check if mix format made any changes
if git diff --name-only -- '*.ex' '*.exs' '*.heex' '*.eex'; then
  echo "❌ Code formatting issues found. Please stage the formatted files and try again."
  exit 1
fi

# Run mix credo diff on staged files
echo "Running mix credo diff on staged files..."
mix credo diff --from-git-ref HEAD

if [ $? -ne 0 ]; then
  echo "❌ Credo found issues that need to be fixed."
  exit 1
fi

echo "✅ All checks passed!"
exit 0