craftman_install

#!/bin/sh

{ # this ensures the entire script is downloaded #

craftman_has() {
  type "$1" > /dev/null 2>&1
}

if [ -z "$CRAFTMAN_DIR" ]; then
  CRAFTMAN_DIR="$HOME/.craftman/bin"
fi

craftman_latest_version() {
  echo "master"
}

craftman_source() {
  echo "https://github.com/gabrielmoreira/craftman.git"
}

install_craftman_from_git() {
  if [ -d "$CRAFTMAN_DIR/.git" ]; then
    echo "=> craftman is already installed in $CRAFTMAN_DIR, trying to update using git"
    printf "\r=> "
    cd "$CRAFTMAN_DIR" && (command git pull 2> /dev/null || {
      echo >&2 "Failed to update craftman, run 'git pull' in $CRAFTMAN_DIR yourself." && exit 1
    })
  else
    # Cloning to $CRAFTMAN_DIR
    echo "=> Downloading craftman from git to '$CRAFTMAN_DIR'"
    printf "\r=> "
    mkdir -p "$CRAFTMAN_DIR"
    command git clone "$(craftman_source git)" "$CRAFTMAN_DIR"
  fi
  cd "$CRAFTMAN_DIR" && command git checkout --quiet "$(craftman_latest_version)"
  if [ ! -z "$(cd "$CRAFTMAN_DIR" && git show-ref refs/heads/master)" ]; then
    if git branch --quiet 2>/dev/null; then
      cd "$CRAFTMAN_DIR" && command git branch --quiet -D master >/dev/null 2>&1
    else
      echo >&2 "Your version of git is out of date. Please update it!"
      cd "$CRAFTMAN_DIR" && command git branch -D master >/dev/null 2>&1
    fi
  fi
  return
}

craftman_detect_profile() {
  if [ -n "$PROFILE" -a -f "$PROFILE" ]; then
    echo "$PROFILE"
    return
  fi

  DETECTED_PROFILE=''
  SHELLTYPE="$(basename "/$SHELL")"

  if [ "$SHELLTYPE" = "bash" ]; then
    if [ -f "$HOME/.bashrc" ]; then
      DETECTED_PROFILE="$HOME/.bashrc"
    elif [ -f "$HOME/.bash_profile" ]; then
      DETECTED_PROFILE="$HOME/.bash_profile"
    fi
  elif [ "$SHELLTYPE" = "zsh" ]; then
    DETECTED_PROFILE="$HOME/.zshrc"
  fi

  if [ -z "$DETECTED_PROFILE" ]; then
    if [ -f "$HOME/.profile" ]; then
      DETECTED_PROFILE="$HOME/.profile"
    elif [ -f "$HOME/.bashrc" ]; then
      DETECTED_PROFILE="$HOME/.bashrc"
    elif [ -f "$HOME/.bash_profile" ]; then
      DETECTED_PROFILE="$HOME/.bash_profile"
    elif [ -f "$HOME/.zshrc" ]; then
      DETECTED_PROFILE="$HOME/.zshrc"
    fi
  fi

  if [ ! -z "$DETECTED_PROFILE" ]; then
    echo "$DETECTED_PROFILE"
  fi
}

craftman_do_install() {
  if ! craftman_has "git"; then
    echo >&2 "You need git to install craftman"
    exit 1
  fi
  if ! craftman_has "docker"; then
    echo >&2 "You need docker to install craftman"
    exit 1
  fi
  if ! craftman_has "docker-compose"; then
    echo >&2 "You need docker-compose to install craftman"
    exit 1
  fi
  install_craftman_from_git

  echo

  CRAFTMAN_PROFILE="$(craftman_detect_profile)"

  SOURCE_STR="\nalias craftman=\"$CRAFTMAN_DIR/craftman\""

  if [ -z "$CRAFTMAN_PROFILE" ] ; then
    echo "=> Profile not found. Tried $CRAFTMAN_PROFILE (as defined in \$PROFILE), ~/.bashrc, ~/.bash_profile, ~/.zshrc, and ~/.profile."
    echo "=> Create one of them and run this script again"
    echo "=> Create it (touch $CRAFTMAN_PROFILE) and run this script again"
    echo "   OR"
    echo "=> Append the following lines to the correct file yourself:"
    printf "$SOURCE_STR"
    echo
  else
    if ! command grep -qc '/craftman' "$CRAFTMAN_PROFILE"; then
      echo "=> Appending source string to $CRAFTMAN_PROFILE"
      printf "$SOURCE_STR\n" >> "$CRAFTMAN_PROFILE"
    else
      echo "=> Source string already in $CRAFTMAN_PROFILE"
    fi
  fi

  echo "=> Close and reopen your terminal to start using craftman"
  craftman_reset
}

#
# Unsets the various functions defined
# during the execution of the install script
#
craftman_reset() {
  unset -f craftman_reset craftman_has craftman_latest_version \
    craftman_source install_craftman_from_git \
    craftman_detect_profile craftman_do_install
}

[ "_$CRAFTMAN_ENV" = "_testing" ] || craftman_do_install

} # this ensures the entire script is downloaded #