[FEAT] Githook pre-commit SwiftLint 적용(#12)

.githooks/pre-commit

@@ -0,0 +1,53 @@
+#!/bin/sh
+LINT=$(which swiftlint)
+
+if [[ -e "${LINT}" ]]; then
+	echo "🚀  SwiftLint 시작..."
+	echo "🔍  lint 적용 경로: $(pwd)"
+    count=0
+    for file_path in $(git ls-files -m --exclude-from=.gitignore | grep ".swift$"); do
+        export SCRIPT_INPUT_FILE_$count=$file_path
+        count=$((count + 1))
+    done
+else
+	echo "SwiftLint가 존재하지 않습니다, 공식문서를 확인해주세요. 🌐 https://github.com/realm/SwiftLint"
+	exit 1
+fi
+
+##### Check for modified files in unstaged/Staged area #####
+for file_path in $(git diff --name-only --cached | grep ".swift$"); do
+    export SCRIPT_INPUT_FILE_$count=$file_path
+    count=$((count + 1))
+done
+
+export SCRIPT_INPUT_FILE_COUNT=$count
+
+echo "${SCRIPT_INPUT_FILE_COUNT}"
+
+# lint rule 정의 파일
+RESULT=$($LINT lint --quiet --use-script-input-files --config .precommit.yml)
+
+if [ "$RESULT" == '' ]; then
+	printf "✨  SwiftLint 적용을 완료했습니다!! 고생하셨습니다👏 👏 👏\n"
+else
+	echo ""
+	printf "✔ SwiftLint Failed 아래 내용을 확인해주세요:\n"
+  while read -r line; do
+    FILEPATH=$(echo $line | cut -d : -f 1)
+    L=$(echo $line | cut -d : -f 2)
+    C=$(echo $line | cut -d : -f 3)
+    TYPE=$(echo $line | cut -d : -f 4 | cut -c 2-)
+    MESSAGE=$(echo $line | cut -d : -f 5 | cut -c 2-)
+    DESCRIPTION=$(echo $line | cut -d : -f 6 | cut -c 2-)
+    if [ $TYPE == 'warning' ]; then
+      printf "\n 🚧  $TYPE\n"
+    elif [ $TYPE == 'error' ]; then
+      printf "\n 🚨  $TYPE\n"
+    fi
+    printf "    ✔ $FILEPATH:$L:$C\n"
+    printf "    📌 $MESSAGE: - $DESCRIPTION\n"
+  done <<< "$RESULT"
+
+  printf "\n 🚑  커밋실패!! Swiftlint rule에 맞게 코드를 변경해주세요:)\n"
+  exit 1
+fi