Swiftlint only modified files

swiftlint_swiftformat_only_modified.sh

#!/bin/bash

# Variables
START_DATE=$(date +"%s")
SWIFTLINT="${PODS_ROOT}/SwiftLint/swiftlint"
SWIFTFORMAT="${PODS_ROOT}/SwiftFormat/CommandLineTool/swiftformat"

# Check that tools exist
[[ -x "${SWIFTLINT}" ]] || { echo "Error: SwiftLint not found at ${SWIFTLINT}"; exit 1; }
[[ -x "${SWIFTFORMAT}" ]] || { echo "Error: SwiftFormat not found at ${SWIFTFORMAT}"; exit 1; }

echo "SwiftLint version: $("${SWIFTLINT}" version)"
echo "SwiftFormat version: $("${SWIFTFORMAT}" --version)"
echo "..."

# All swift files in one array with unique values
all_files=()
while IFS= read -r line; do
  [[ -n "$line" ]] && all_files+=("$line")
done < <(
  {
    git diff --diff-filter=d --name-only # staged
    git diff --cached --diff-filter=d --name-only # unstaged
    git ls-files --others --exclude-standard # added
  } | grep '\.swift$' | sort -u
)

# Linting
if [[ ${#all_files[@]} -gt 0 ]]; then
   "${SWIFTFORMAT}" "${all_files[@]}"
   "${SWIFTLINT}" --fix "${all_files[@]}"
   "${SWIFTLINT}" "${all_files[@]}"
fi

# Final metrics
END_DATE=$(date +"%s")
DIFF=$((END_DATE - START_DATE))
MINUTES=$((DIFF / 60))
SECONDS=$((DIFF % 60))

echo "..."
echo "Total files found: ${#all_files[@]}"
echo "Time: ${MINUTES}m ${SECONDS}s"