new-rails-app

#!/bin/bash
set -e

PROJECT_NAME=$1

main() {
  display_logo

  init_project
  choose_branch
  search_and_replace_project_name
  reset_git

  display_finished
}

display_logo() {
cat << "EOS"
 _   _                 _____       _ _
| \ | |               |  __ \     (_) |         /\
|  \| | _____      __ | |__) |__ _ _| |___     /  \   _ __  _ __
| . ` |/ _ \ \ /\ / / |  _  // _` | | / __|   / /\ \ | '_ \| '_ \
| |\  |  __/\ V  V /  | | \ \ (_| | | \__ \  / ____ \| |_) | |_) |
|_| \_|\___| \_/\_/   |_|  \_\__,_|_|_|___/ /_/    \_\ .__/| .__/
                                                     | |   | |
                                                     |_|   |_|
EOS
}

init_project() {
  if [[ -z $PROJECT_NAME ]]; then
    printf "\nEnter project name (rails-app): "
    read -e PROJECT_NAME
    PROJECT_NAME=${PROJECT_NAME:-rails-app}
  else
    printf "\nProject name: $PROJECT_NAME\n"
  fi

  echo -e "\nCloning repo..."
  git clone git@gitlab.com:jeromedalbert/boilerplate-rails-app.git &> /dev/null
  mv boilerplate-rails-app $PROJECT_NAME
  cd $PROJECT_NAME
}

choose_branch() {
  echo -e "\nChoose a branch:"
  echo -e "\033[0;31m  master\033[0m"
  git branch -r | grep -v master | sed 's/origin\///'

  local branch_name
  printf 'Enter branch name (master): '
  read -e branch_name
  branch_name=${branch_name:-master}

  git checkout $branch_name &> /dev/null
}

search_and_replace_project_name() {
  echo -e "\nSearching and replacing project name..."
  local camel_case_name=$(echo $PROJECT_NAME | sed -r 's/(^|-)(\w)/\U\2/g')
  local human_name=$(echo $PROJECT_NAME | sed -r -e 's/(^|-)(\w)/ \U\2/g' -e 's/ //')

  find . -type f -exec sed -i "s/rails-app/$PROJECT_NAME/g" {} +
  find . -type f -exec sed -i "s/RailsApp/$camel_case_name/g" {} +
  find . -type f -exec sed -i "s/Rails App/$human_name/g" {} +
}

reset_git() {
  echo -e "\nResetting git..."

  (
    rm -rf .git
    git init
    git add --all
    git commit -m 'Initial commit'
  ) > /dev/null
}

display_finished() {
  echo -e "\nProject \"$PROJECT_NAME\" ready.\n"
}

main