shipgit-init

#!/usr/bin/env bash

usage() {
	echo "usage: shipgit init"
  echo "This will setup your repo to work with shipgit"
  echo "It will create a production branch if not present."
  echo "It will create a main branch if not present."
  echo "It will ask for preferred feature branch prefix."
  echo "It will ask for preferred hotfix branch prefix."
  echo "It will ask for preferred release branch prefix."
}

cmd_help() {
	usage
  exit 0
}

setup_commit_template() {
cat <<EOF > ./.git/.gitmessage

######################## Descriptive title #############################

######### Optional body: Explain *what* and *why* (not *how*) ###########
EOF
  git config commit.template .git/.gitmessage
}

cmd_default() {
  local initialized=$(git config --get shipgit.initialized)
	if [ "$initialized" == "true" ]; then
    echo "shipgit is already initialized."
    echo "No further action taken."
		exit 0
	fi

  local answer

  # 1: Chek if inside git initialized directory
  INSIDE_WORK_TREE=$(git rev-parse --is-inside-work-tree)
  if [ "$INSIDE_WORK_TREE" != "true" ]; then
    echo "shipgit is only available for git initialized directory."
    echo "You can initialized it by running git init"
    echo "Aborting shipgit initialization..."
		exit 1
  fi

  # 2: Chek if origin remote is setup
  ORIGIN_URL=$(git config --get remote.origin.url)
  if [ -z "$ORIGIN_URL" ]; then
    echo "Aborting shipgit initialization..."
    echo "You must setup a remote origin first to use shipgit:"
    echo "      git remote add origin <your_origin_url>"
    echo "After that make your first commit (if you don't already have commits)."
    echo "Push your commit to the newly added remote by:"
    echo "      git push -u origin <your_current_branch>"
    echo "You should be able to run shipgit init again withou any problem :)"
		exit 1
  fi

  # 3: Setting the main branch
  local main_branch
  printf "Branch name for main: "
  read answer
  main_branch="$answer"
  git config shipgit.branch.main "$main_branch"

  # 4: Setting the production branch
  local production_branch
  printf "Branch name for production: "
  read answer
  production_branch="$answer"
  git config shipgit.branch.production "$production_branch"

  printf "Prefix for Semantic Version? [v]: "
  read answer
  git config shipgit.prefix.semantic "$answer"

  printf "Prefix for Feature branches? [feature/]: "
  read answer
  git config shipgit.prefix.feature "$answer"

  printf "Prefix for Hotfix branches? [hotfix/]: "
  read answer
  git config shipgit.prefix.hotfix "$answer"

  printf "Prefix for Release branches? [release/]: "
  read answer
  git config shipgit.prefix.release "$answer"

  # 8: Setting up git commit template
  setup_commit_template

  # 9: Set initialized flag to true
  git config shipgit.initialized "true"

  # 10: Create and push production branch
  if git show-ref --quiet refs/heads/$production_branch; then
    echo "Checking out to $production_branch..."
    git checkout -q "$production_branch"
  else
    echo "Creating $production_branch..."
    git branch --no-track "$production_branch" "$main_branch"
    echo "Checking out to $production_branch..."
    git checkout -q "$production_branch"
  fi

  echo "Pushing $production_branch to remote..."
  git push -u origin "$production_branch"

  echo "Checking out to $main_branch..."
  git checkout -q "$main_branch"
}