Safely cleaning-up crusty github forks from your repository list using bash...

github_fork_cleanser.sh

#!/usr/bin/env bash
#
# This script is intended to interactively help you remove stale/unwanted github forks 
# from your repo list, without accidently removing any of your actual (non-forked) repos.
# 
# The use case for this is simple: I forked wayyyy too many repos that I should 
# have otherwise 'starred', and wanted to clean-up my repository list. 
#
# Manually purging all of my forked github repos via the github.com webui would take 
# far too much effort, so I decided to automate the majority of the process. 
# 
# I didn't want to remove all of my forked repos, and I didn't want to remove 
# ANY of my personal repos, so I made this interactive script to help me 
# SAFELY dictate which forked repos that I did want purged.
#
# Author: Sean O'Donnell - https://github.com/sodonnell
#
API_TOKEN="Add your github Token here"
API_URL=https://api.github.com

function scrape_forks()
{
    curl -s GET "${API_URL}/user/repos" -H "Authorization: Bearer ${API_TOKEN}" | jq -r '.[] | select(.fork) | .full_name'
}

function delete_repo()
{
    curl -X DELETE "${API_URL}/repos/${fork}" -H "Authorization: Bearer ${API_TOKEN}"
}

forks=`scrape_forks`

if [ -z $forks ]; then 
    echo "No forked repos found."
else
    for fork in ${forks}; do
        echo -e "[Warning] Permanently remove repo: ${fork} (Y/N)?"
        read CONFIRM
        if [ $CONFIRM == "Y" ]; then 
            delete_repo
            echo -e "Deleted: ${fork}\n"
        else
            echo -e "Ignored: ${fork}\n"
        fi
    done
fi