publicity

#!/usr/bin/env bash

ORGNAME="hackreactor"
GIT_CREDENTIAL_HELPER=$(git config --global --get credential.helper)
REPOS=('layout'  'twittler' 'paybuddy' 'data-structures' 'n-queens' 'more-data-structures' 'javascript_koans' 'subclass-dance-party' 'underbar' 'mytunes' 'chat-server' 'chat-client' 'recursion' 'regexen' 'web-historian' 'blackjack' 'databases' 'more-databases' 'meteor')

github_username=0
github_password=0

spacedPrint() {
  echo -e "\n****************\n****************\n$1\n****************\n****************"
}

get_credentials() {
  read -p "Username: " github_username
  read -s -p "Password: " github_password
  echo ""

  # Make sure they provided both username and password and do a test auth to
  # confirm their credentials are good
  if [[ github_username == 0 && github_password == 0 ]]; then
    echo "Sorry, one of your credentials was left blank. Please enter them now."
    get_credentials
  fi

  if [[ github_username != 0 && github_password != 0 ]]; then
    if curl -ss -u "${github_username}:${github_password}" https://api.github.com/users/${github_username} | grep -q '"message": "Bad credentials"'; then
      echo "Sorry, login to github failed. Please re-enter your credentials."
      get_credentials
    fi
  fi
}

test_folder_presence() {
  directory=$(pwd)/$(basename ${1})
  if [[ -d $directory ]]; then
    spacedPrint "Warning!"
    echo "A folder named $(basename ${1}) already exists. You may be trying to"
    echo "clone to the directory where you keep all your repositories. You're"
    echo "facing potential data loss!"
    echo ""
    echo "If you're sure you want to clone here, type 'y' and hit enter to delete"
    echo "the folder and continue. Type 'n' to bail out:"
    read input
    if [[ "$input" = "y" ]]; then
      rm -rf $directory
    elif [[ "$input" = "n" ]]; then
      echo "Okay :( Exiting."
      exit 0
    else
      echo ""
      echo "Invalid response. Please try again."
      test_folder_presence $1
    fi
  fi
}


clear
echo "-~= OMG PUBLICITY =~-"
echo "Hello! I'm a script that will publicize all of your forked repositories."
echo "In order for this script to work, you'll need to have your GitHub credentials"
echo "stored in your keychain."
echo ""
echo "Press enter when you're ready to continue."
read trash

clear
echo "I'll need your GitHub credentials to continue. Please enter them now."
get_credentials

echo ""
echo "Thanks!"
echo ""
echo "One more thing..."
echo "This script will create new readmes for all your projects. The readme will"
echo "point to a project you'd like to show off, like your personal project."
echo "Please enter the name of that project:"
read projname
echo "Please enter the URL to that project's GitHub repository, or to where it's hosted:"
read projurl

echo ""
echo "Great, thanks! I'll publicize your repos for you now."
echo -e "\n"

# Set credential helper to something more long-term for the duration of the script
git config --global credential.helper 'cache --timeout=3600'

# Clone down ALL the repos
for repo_name in "${REPOS[@]}"; do
  repo_url=https://github.com/${github_username}/${repo_name}.git

  # Skip to the next repo if the user doesn't have this one
  if curl -ss -u "${github_username}:${github_password}" https://api.github.com/repos/${github_username}/${repo_name} | grep -q '"message": "Not Found"'; then
    echo -e "${repo_name} not found on your GitHub account. Moving on to the next repository...\n"
    continue
  fi

  spacedPrint "About to clone down the ${repo_name}..."

  # Clone down the repo
  test_folder_presence ${repo_name}
  git clone ${repo_url}
  cd ${repo_name}

  spacedPrint "Listing branches..."
  git branch -a | sed "s/remotes\/origin\///g"

  # List usernames if
  if git branch -a | grep -q $github_username; then
    spacedPrint "Listing branches with your username..."
    git branch -a | sed "s/remotes\/origin\///g" | grep $github_username
  fi

  echo "Copy-paste the branch you'd like. To skip, leave this blank and hit enter."
  read branchname

  # If they leave the branch name blank, bail out of this iteration
  if [[ $branchname = "" ]]; then
    cd ..
    rm -rf ${repo_name}
    continue
  fi

  # If the user has selected a branch other than the master branch, then delete
  # the master branch and set the master branch to point at $branchname
  if [[ $branchname != 'master' ]]; then
    git checkout -b dummy_branch
    git branch -f master "origin/${branchname}"
    git checkout master
  fi

  # Delete all branches except for the master branch, and set up the new
  # destination (this will also remove all remote branch tracking)
  git branch -a | git branch -a | grep -v -E "(\* master|remotes\/origin)" | xargs git branch -D
  git remote rm origin
  git remote add origin ${repo_url}

  echo -e "#${repo_name}\n\nThis is a copy of the work I did on a private repo, originally a project from the [Hack Reactor](http://hackreactor.com) curriculum. This project was worked on with a pair, and as such is representative of the kind of problems that I've tackled, but not of my solo work. For a better perspective on my own work, please see [$projname]($projurl)." > README.md
  git add "README.md"
  git commit -m "Added readme"

  # Rename the old repo
  DATA="{\"name\":\"${repo_name}.old\"}"
  echo "https://api.github.com/repos/${github_username}/${repo_name}"
  curl -ss -u "${github_username}:${github_password}" -X PATCH --data ${DATA} https://api.github.com/repos/${github_username}/${repo_name}

  # Create a new, empty remote repository
  DATA="{\"name\":\"${repo_name}\"}"
  curl -ss -u "${github_username}:${github_password}" --data ${DATA} https://api.github.com/user/repos

  # Push up the fresh/clean repo
  echo "Pushing up the ${repo_name} repository..."
  git push origin master
  cd ..

  # Remove the temp files
  echo "Removing the temporary directory..."
  rm -rf ${repo_name} && echo "Done."
done

# Reset credential helper
git config --global credential.helper $GIT_CREDENTIAL_HELPER