git log --author="xxx" --since="2020-09-01" --until='2020-12-14' --no-merges | grep -e 'commit [a-zA-Z0-9]*' | wc -l
git log --author="x'x'x" --since="2020-09-01" --until='2020-12-14' --pretty=tformat: --numstat | gawk '{ add += $1 ; subs += $2 ; loc += $1 - $2 } END { printf "增加:%s 删除:%s 总数: %s ",add,subs,loc }'
