MacOS에서 rm시 operation not permitted 발생 오류

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MacBook-Pro:ppp$ rm -rf .svn/

rm: .svn//all-wcprops: Operation not permitted

rm: .svn//entries: Operation not permitted

rm: .svn//text-base/***.h.svn-base: Operation not permitted

rm: .svn//text-base/***.h.svn-base: Operation not permitted

rm: .svn//text-base/***.h.svn-base: Operation not permitted

rm: .svn//text-base/***.h.svn-base: Operation not permitted

rm: .svn//text-base/***.h.svn-base: Operation not permitted

rm: .svn//text-base/***.h.svn-base: Operation not permitted

rm: .svn//text-base/***.h.svn-base: Operation not permitted

rm: .svn//text-base/***.h.svn-base: Operation not permitted

rm: .svn//text-base/***.h.svn-base: Operation not permitted

rm: .svn//text-base/***.h.svn-base: Operation not permitted

rm: .svn//text-base/***.h.svn-base: Operation not permitted

rm: .svn//text-base: Directory not empty

rm: .svn/: Directory not empty

MacBook-Pro:ppp$ chflags -R nouchg .svn/

MacBook-Pro:ppp$ rm -rf .svn/

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