Git: Find duplicate blobs (files) in this tree

Question

This is sort of a follow-up to this question.

If there are multiple blobs with the same contents, they are only stored once in the git repository because their SHA-1\'s

Answer 1

More general:

( for f in `find .`; do test -f $f && echo $(wc -c <$f) $(md5 -q $f)   ; done ) |sort |uniq -c |grep -vE '^\s*1\b' |sed 's/.* //' > ~/dup.md5 ; \
( for f in `find .`; do test -f $f && echo $(wc -c <$f) $(md5 -q $f) $f; done ) |fgrep -f ~/dup.md5 |sort