git add 시 error

040000 tree 646ae6dc42fca376860c71a36f8bcdcadbdf8556 .gradle
040000 tree 76905f9849adf7760f5bf6d6335ed11960d4812a .idea
100644 blob 5957b8a1c3a689b9be69cd8d3b4e0b94dfd82d2d README.md
100644 blob 3cae2d720fb5d1f4383313e27f1395b2b3a30385 build.gradle
040000 tree e6ab7cead216df0b9b2f9846ea3fe936a3c8e822 build
040000 tree eef020cd5a8673b4845cab830483960cfd00f4ea gradle
100644 blob 1b6c787337ffb79f0e3cf8b1e9f00f680a959de1 gradlew
100644 blob 107acd32c4e687021ef32db511e8a206129b88ec gradlew.bat
100644 blob 037431f2c76374ad8f0f5df2e41347bc4f6659d5 settings.gradle
040000 tree ac64668197dd050daba30a93ae8c8a5f5e9e0ca1 src

-> gradlew가 644로 되어 있다면 변경 필요

 git update-index --add --chmod=+x gradlew

명령어 권한 변경

radlew clean build