Script to get the distribution of commits between top contributors in a Git repository.

contributor-breakdown.sh

#!/bin/bash

# Run git shortlog to get the contributors and their commit counts
git shortlog -s -n > contributors.txt

# Calculate total commits and average commits per contributor
total_commits=$(awk '{s+=$1} END {print s}' contributors.txt)
num_contributors=$(wc -l < contributors.txt)
average_commits_per_contributor=$((total_commits / num_contributors))

# Get the top 5 contributors and their percentages
top_contributors=$(awk -v total=$total_commits '{printf "%d\t%s\t%.2f%%\n", $1, $2, ($1/total)*100}' contributors.txt | sort -nr | head -n 5)

# Calculate total commits for the top 5
total_top_commits=$(echo "$top_contributors" | awk '{s+=$1} END {print s}')

# Calculate percentage for the rest of the contributors
percentage_rest=$(echo "scale=2; (( $total_commits - $total_top_commits ) / $total_commits ) * 100" | bc)

# Display the top 5 contributors
echo -e "Top 5 Contributors and their percentages:"
echo "==========================================="
echo "$top_contributors"

# Display entry for the rest of the contributors
echo -e "\nOther Contributors: $percentage_rest%"

# Clean up temporary file
rm contributors.txt