每个开发人员的代码行数

git ls-tree -r HEAD | sed -Ee 's/^.{53}//' | \
while read filename; do file "$filename"; done | \
grep -E ': .*text' | sed -E -e 's/: .*//' | \
while read filename; do git blame --line-porcelain "$filename"; done | \
sed -n 's/^author //p' | \
sort | uniq -c | sort -rn