A simple launcher and batch package importer for the Unity Editor. Download the editor from: http://unity3d.com

unity.sh

#!/bin/bash
# 11th July 2014

UNITY="C:\Program Files\Unity\Editor\Unity.exe"
LOG="Library/ImportedPackages.txt"

usage() {
cat << EOF
A simple launcher and batch package importer for the Unity Editor
Download the editor from: http://unity3d.com

Usage:
$(basename "$0") [-h|-help|--help]
$(basename "$0") [PROJECT_PATH] [-i|-import|--import PACKAGE...]

When PROJECT_PATH is supplied without flags, start Unity Editor in the
specified project path.

If PROJECT_PATH is not supplied, assume project is in the current
directory.

Flags:
    -help, --help
    -h              Show this help text. Don't start the Unity Editor.
    
    -import, --import
    -i PACKAGE...   Run in batch mode and import the packages.
                    This flag and the list of packages must appear as
                    final arguments. Unity Editor is not started.
EOF
}


RED="\e[31m"
GREEN="\e[32m"
YELLOW="\e[33m"
RESET="\e[0m"

set_colour() {
  echo -en $1
}

echo_red() {
  set_colour $RED
  echo -e $@
  set_colour $RESET
}

echo_yellow() {
  set_colour $YELLOW
  echo -e $@
  set_colour $RESET
}


expand_path() {
  cd "$(dirname "$1")"
  echo "$PWD/$(basename "$1")"
}


if [ -d "$1" ]; then
  proj=$(expand_path "$1")
  shift
else
  proj="$PWD"
fi


unity_import() {
  failed=0
  skipped=0
  for package in "$@"
  do
    echo
    if [ ! -f "$package" ]; then
      echo_red "Skipping non-existent package:"
      echo "$package"
      ((failed++))
      continue
    fi

    digest=$(md5sum "$package" | cut -d ' ' -f1)

    # If Log file exists and contains the digest...
    # -q  don't output result
    # -s  don't output errors, e.g. "no such file"
    if grep -qs "$digest" "$proj/$LOG"; then
      echo_yellow "Skipping already imported package:"
      echo "$package"
      ((skipped++))
    else
      echo_yellow "Now importing:"

      echo "$package"
      set_colour $RED
      "$UNITY" -projectPath "$proj" \
               -batchmode -quit \
               -importPackage "$(expand_path "$package")" &&
       echo "$digest $(basename "$package")" >> "$proj/$LOG"

       ((failed += $?))
       set_colour $RESET
    fi
  done
  echo
  echo -en "Imported: $GREEN$(($# - failed - skipped))$RESET, "
  echo -en "Skipped: $YELLOW${skipped}$RESET, "
  echo -e  "Failed: $RED${failed}$RESET."

  exit $failed
}


run_unity() {
  cmd.exe //c start "" "$UNITY" -projectPath "$proj" "$@"
}


args=
while [ $# -gt 0 ]
do
  case "$1" in
    -h | *-help) 
       usage
       exit 0
       ;;
    -i | *-import) 
       shift
       unity_import "$@"
       exit $?
       ;;
    *)
       args="$args $1"
       shift
       ;;
  esac
done

run_unity "$args"