Bash script to remove history (commits & events) from remote github repository

reset_github_history.sh

#!/bin/bash


DEFAULT_GITREPO=<repo-name>
DEFAULT_GITACCOUNT=<user/org-name>
DEFAULT_GITRIGHT_DELETE=
DEFAULT_GITRIGHT_CREATE=

CURRDIR=$(pwd)
echo ""
echo "#####################################################################"
echo "### "
echo     "### Currect directoy                      : $CURRDIR"
read -p  "### Git Repository [$DEFAULT_GITREPO]: " GITREPO
if [[ -z $GITREPO ]]; then
	GITREPO=$DEFAULT_GITREPO
fi

read -p  "### Git Organization/Username [$DEFAULT_GITACCOUNT]: " GITACCOUNT
if [[ -z $GITACCOUNT ]]; then
	GITACCOUNT=$DEFAULT_GITACCOUNT
fi
echo     "### Personal token with REPO:DELETE rights [$DEFAULT_GITRIGHT_DELETE]: "
read -s GITRIGHT_DELETE
if [[ -z $GITACCOUNT ]]; then
	GITRIGHT_DELETE=$DEFAULT_GITRIGHT_DELETE
fi
echo     "### Personal token with REPO:* rights [$DEFAULT_GITRIGHT_CREATE]:"
read -s GITRIGHT_CREATE
if [[ -z $GITACCOUNT ]]; then
	GITRIGHT_CREATE=$DEFAULT_GITRIGHT_CREATE
fi

# check if .git directory exists (cloned already)
if [ ! -d ".git" ]; then
#    git remote add origin https://github.com/$GITACCOUNT/$GITREPO.git
#    git remote -v 

	read -p "No local clone found. Shall I clone 'https://github.com/$GITACCOUNT/$GITREPO'? [y]" -n 1 -r
	echo    # (optional) move to a new line
	if [[ $REPLY =~ ^[Yy]$ ]]  || [[ -z $REPLY ]]
	then
		# clone remote repository to local
		echo "[I] Clone remote repo to local"
		git clone https://github.com/$GITACCOUNT/$GITREPO .
	fi
fi

# check if .git directory exists now
if [ -d ".git" ]; then
	read -p "Shall I remove repo 'https://github.com/$GITACCOUNT/$GITREPO'? [y]" -n 1 -r
	echo    # (optional) move to a new line
	if [[ $REPLY =~ ^[Yy]$ ]]  || [[ -z $REPLY ]]
	then
		# remove remote repository
		echo "[I] Remove remote repo"
		curl -X DELETE -H "Authorization: token $GITRIGHT_DELETE" "https://api.github.com/repos/$GITACCOUNT/$GITREPO"
	fi

	read -p "Shall I squash local repo and upload it? [y]" -n 1 -r
	echo    # (optional) move to a new line
	if [[ $REPLY =~ ^[Yy]$ ]]  || [[ -z $REPLY ]]
	then
		# Remove the history from local repository
		echo "[I] Remove local repo settings"
		rm -rf .git

		# recreate the repos from the current content only
		echo "[I] Initialize local repo"
		git init
		git add .
		git commit -m "Initial commit"

		echo "[I] Initialize remote repo"
		# push to the github remote repos ensuring you overwrite history
		git remote add origin https://$GITACCOUNT:$GITRIGHT_CREATE@github.com/$GITACCOUNT/$GITREPO.git

		echo "[I] Squash local repo"
		git reflog expire --expire=now --all && git gc --prune=now
		git reflog expire --expire=1.minute refs/heads/master
		git fsck --unreachable      # now I see those tarball blobs!
		git prune                   # hasta la vista, baby
		git gc                      # cleanup and repack the repo

		echo "[I] Push local repo to remote"
		git push -u --force origin master
	fi

	read -p "Would you check remaining events of 'https://github.com/$GITACCOUNT/$GITREPO'? [y]" -n 1 -r
	echo    # (optional) move to a new line
	if [[ $REPLY =~ ^[Yy]$ ]]  || [[ -z $REPLY ]]
	then
		echo "[I] Extract remote events for repo"
		# check events
		curl https://api.github.com/repos/$GITACCOUNT/$GITREPO/events >"../$GITREPO.txt"
		echo "---> check senstive data in file ../$GITREPO.txt"
	fi
else
    echo "No .git directory found - please enter valid repo directory!"
fi