pbower

#!/bin/bash

# Default bowerrc file
BOWERFILE='.bowerrc'

# HELP option
usage="
Usage:

    $(basename "$0") [<command>] [<options>]   Install versions of the components in the correct folder
Commands:

    install                 Install a package locally
Options:

    \e[33m--save\e[39m                  Save as bower dependencie
Example:

    bower install  googletimeline-plus#v0.9-stable

  Package can be a file with multiple components

    bower install versions.txt

IMPORTANT:
    The version of the component must be v{version_number}-{branch}. For example v0.9-stable
"

# DEFAULT SETTINGS
SAVE=""
BOWER_DIRECTORY="bower_components"

## COMMAND PARSE
if [ $# -eq 0 ]
then
    echo -e "$usage"
    exit 1
fi
while [[ $# -gt 0 ]]
do
    key="$1"
    case $key in
        i|install)
            command="install"
            package="$2"
            shift
            ;;
        --save)
            SAVE=$key
            ;;
        --help | -h)
            echo -e "$usage"
            exit 0
            ;;
        *)
            echo -e "$usage"
            exit 1
            ;;
    esac
shift
done



# LOOK FOR BOWER DIRECTORY IN BOWERRC
if [ -f "$BOWERFILE" ]
then
    key="directory"
    re="\"($key)\": \"([^\"]*)\""
    bower_directory="bower_components"
    while read -r l; do
        if [[ $l =~ $re ]]; then
            name="${BASH_REMATCH[1]}"
            value="${BASH_REMATCH[2]}"
            bower_directory=$value
            break
        fi
    done < $BOWERFILE
fi

# GET PACKAGE NAME and BRANCH/HASH OPTION
# args: $1 package name
function install_package(){
  local import_name=$1
  local split=(${import_name//#/ })
  local package_name=${split[0]}

  local real_folder="$BOWER_DIRECTORY/$package_name"

  # CHECK IF VERSION IS NOT EMPTY
  if [ "${#split[@]}" -gt 1 ]
  then
      # CHECK IF VERSION IS CORRECTLY WRITTEN
      local version=${split[1]}
      local version_branch=(${version//-/ })
      
      if [ "${#version_branch[@]}" -gt 1 ]
      then
          local branch=${version_branch[1]}
          local real_folder="$real_folder-$branch"
      else
          echo -e "\n[Error]: Package must be written in the correct format: v{version_number}-{branch}. Ex: v0.9-stable"
          echo -e "$usage"
          return 2
      fi

  fi
  # CHECK IF THIS COMPONENT IS ALREADY INSTALLED
  if [ -d "$real_folder" ]
  then
      echo -e "\e[92m$package_name\e[39m is already installed"
      return 1
  fi


  # INSTALL BOWER COMPONENT
  bower $command -F --allow-root $import_name $SAVE
  local status=$?

  # CHECK IF BOWER FINISHED CORRECTLY
  if [ $status -eq 0 ]
  then
      # MOVER COMPONENT TO RELATIVE PATH (ADDING BRACH VERSION AT THE END OF THE FOLDER NAME)
      local folder="$BOWER_DIRECTORY/$package_name"
      mv $folder $real_folder
  fi
  return $status
}

# CHECK IF PACKAGE IS A FILE
if [ -f "$package" ]
then
  while IFS='' read -r line || [[ -n "$line" ]]; do
    install_package $line
  done < "$package"

else
  install_package $package
  exit $?
fi