aerc/contrib/git-stats.sh

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#!/bin/bash
set -e
set -o pipefail
columns="Author,Commits,Changed Files,Insertions,Deletions"
git shortlog -sn "$@" |
while read -r commits author; do
git log --author="$author" --pretty=tformat: --numstat "$@" | {
adds=0
subs=0
files=0
while read -r a s f; do
adds=$((adds + a))
subs=$((subs + s))
files=$((files + 1))
done
printf '%s;%d;%d;%+d;%+d;\n' \
"$author" "$commits" "$files" "$adds" "-$subs"
}
done |
column -t -s ';' -N "$columns" -R "${columns#*,}"