Script to count the number of lines written on each commit and calculating num lines/hour

lines_per_commit_counter.sh

#!/bin/bash

# Navigate to your Git repo before running this script
# LLM generated


commits=($(git rev-list --reverse HEAD))
prev_time=0

printf "%-10s | %-30s | %-14s | %-17s | %s\n" "Commit" "Message" "Lines Changed" "Hours Since Last" "Lines/Hour"
echo "-----------------------------------------------------------------------------------------------"

for commit in "${commits[@]}"; do
    short_hash=$(git rev-parse --short "$commit")
    message=$(git log -1 --pretty=format:"%s" "$commit" | cut -c1-30)
    commit_time=$(git show -s --format=%ct "$commit")

    changes=$(git show --shortstat --oneline "$commit" | grep "files changed" | awk '{add+=$4; del+=$6} END {print add + del}')
    changes=${changes:-0}

    if [ "$prev_time" -ne 0 ]; then
        time_diff_sec=$((commit_time - prev_time))
        hours=$(echo "scale=2; $time_diff_sec / 3600" | bc)
        if (( $(echo "$hours == 0" | bc -l) )); then
            lines_per_hour="N/A"
        else
            lines_per_hour=$(echo "scale=2; $changes / $hours" | bc)
        fi
    else
        hours="0"
        lines_per_hour="N/A"
    fi

    printf "%-10s | %-30s | %-14s | %-17s | %s\n" "$short_hash" "$message" "$changes" "$hours" "$lines_per_hour"

    prev_time=$commit_time
done