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#!/usr/bin/env bash
# set -euo pipefail
IFS=$'\n\t'
function usage () {
echo "Usage: $0 path/to/git/repository"
}
if [ $# != 1 ]; then
usage
exit 1
fi
GIT_REPO=$1
cd $GIT_REPO
shortlog=$(git shortlog -ns --no-merges)
colon_separated_shortlog=$(echo "$shortlog" | awk '{
for (i = 2; i <= NF; i++) {
printf "%s", $i
if (i != NF) printf " "
}
printf ":%s\n", $1
}')
echo "$colon_separated_shortlog" | asciigraph -l 'Commit count' --color
contributors=$(echo "$colon_separated_shortlog" | cut -d: -f 1)
for name in $contributors; do
colon_separated_commit_word_count+=$name:$(git log --pretty='format:%B' --no-merges --author="$name" --use-mailmap | wc -w | tr -d '[[:space:]]')$'\n'
done
echo -n "$colon_separated_commit_word_count" | asciigraph -l 'Commit message word count' --color --sort=dec
while read -r name; do
first_commit_date=$(git --no-pager log --reverse --pretty='format:%ad' --author=""$name"" --use-mailmap | head -n 1)
days_since_first_commit=$(ruby -e 'require "date"; date = Date.parse("'$first_commit_date'"); puts (Date.today - date).to_i')
colon_separated_days_since_first_commit+=$name:$days_since_first_commit$'\n'
done <<< "$contributors"
echo -n "$colon_separated_days_since_first_commit" | asciigraph -l 'Days since first commit' --color --sort=dec
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