Restore git bracnh after git force push.

checkout.sh

#!/usr/bin/env bash
#
# Git Branch checkout after force push
#
# Execution:
#   $ bash checkout.sh [branch]

sudo chown -R www-data ./
echo "Fetching changes from origin..."
sudo -Hu www-data git fetch -p
CURRENT=$(sudo -Hu www-data git name-rev --name-only HEAD)
echo -e "Current branch is \e[1m\e[32m$CURRENT\e[0m."
if [[ -n "$1" ]]; then
  BRANCH="$1"
else
  echo "Which branch you want to restore?"
  read -r BRANCH
fi

if printf '%s\n' "$(sudo -Hu www-data git branch -r | cut -c 3-)" | grep -x -q "origin/${BRANCH}"; then
  echo -e "Branch \e[1m\e[32m$BRANCH\e[0m selected to be restored, please confirm: y/n:"
  read -r CONFIRMATION
  if [[ ! $CONFIRMATION =~ ^[Yy]$ ]]; then
    echo "Restoration aborted!"
    exit 0
  fi
else
  echo "Invalid branch, $BRANCH does not exist."
  exit 1
fi

echo "Resetting all changes in the current branch..."
sudo -Hu www-data git reset HEAD --hard >/dev/null 2>&1

if [[ "$CURRENT" != "master" ]]; then
  sudo -Hu www-data git checkout master
fi

echo "Checking untracked files..."
if [[ $(sudo -Hu www-data git status --porcelain | cut -d " " -f 2 | wc -l) -gt 0 ]]; then
  sudo -Hu www-data git reset HEAD --hard >/dev/null 2>&1
  echo "Founded $(sudo -Hu www-data git status --porcelain | cut -d " " -f 2 | wc -l) changes:"
  sudo -Hu www-data git status --porcelain | cut -d " " -f 2
  echo "Cleaning untracked files..."
  sudo -Hu www-data git add . && sudo -Hu www-data git stash && sudo -Hu www-data git stash clear >/dev/null 2>&1
  echo "Checking untracked files after cleanup..."
  echo "Founded $(sudo -Hu www-data git status --porcelain | cut -d " " -f 2 | wc -l) changes."
  if [[ $(sudo -Hu www-data git status --porcelain | cut -d " " -f 2 | wc -l) -gt 0 ]]; then
    echo "Please fix the remaining files manually."
    exit 1
  fi
fi

if printf '%s\n' "$(sudo -Hu www-data git branch | cut -c 3-)" | grep -x -q "${BRANCH}"; then
  sudo -Hu www-data git branch -D $BRANCH
fi

echo -e "Restoring \e[1m\e[32m$BRANCH\e[0m branch from origin..."
sudo -Hu www-data git checkout "$BRANCH"

echo "Done, have a nice day :D"

bash <(curl -s https://gist.githubusercontent.com/othercodes/d4260674f72b8c0944cb7e809a04986b/raw/checkout.sh)