Bash script to clear out the history of a git/github repository.

README.md

Call directly from your terminal

$ bash <(curl -s https://gist.githubusercontent.com/robertoentringer/c9e327479f012bafeaeaaf48d3966aaf/raw)

gitclear.sh

#!/bin/bash

function gitclear() {
  repo=`git config --get remote.origin.url`
  
  [[ -z "$repo" ]] && { echo "Git remote origin url not found in: `pwd`"; return; }
  
  info="All commits (local and remote) will be lost!"$'\n'
  question="Are you sure you wish to continue? [N/y] "
  
  read -p "$info$question" -n 1 -r
  
  echo
  
  if [[ $REPLY =~ ^[Yy]$ ]]; then
    rm -fr .git
    git init
    git add -A
    git commit -m "Initial commit"
    git remote add origin $repo
    git push -u --force origin master
  fi
}

gitclear