pre-commit

#!/bin/bash
git diff --cached --name-only | grep "\.swift" | while read filename; do
    if which swiftlint >/dev/null; then
        swiftlint lint --path "$filename";
    else
     echo "warning: SwiftLint not installed, download from https://github.com/    realm/SwiftLint"
    fi
done

git-format-staged --formatter "swiftformat stdin --stdinpath '{}'" "*.swift"

• /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"
• brew install swiftformat
• brew install swiftlint
• npm install --save-dev git-format-staged
• copy above gist in .git/hooks