Unity Project Setup .gitignore and Asset directories.

setup.sh

#!/bin/sh

function setup() {

    dirs=()
    dirs=("${dirs[@]}" "Scenes")
    dirs=("${dirs[@]}" "Prefabs")
    dirs=("${dirs[@]}" "Scripts")
    dirs=("${dirs[@]}" "Animations")
    dirs=("${dirs[@]}" "Materials")
    dirs=("${dirs[@]}" "Physics Materials")
    dirs=("${dirs[@]}" "Fonts")
    dirs=("${dirs[@]}" "Textures")
    dirs=("${dirs[@]}" "Audio")
    dirs=("${dirs[@]}" "Resources")
    dirs=("${dirs[@]}" "Editor")
    dirs=("${dirs[@]}" "Plugins")

    for var in "${dirs[@]}"; do
        mkdir Assets/"$var"
    done

cat << EOT > .gitignore
/[Ll]ibrary/
/[Tt]emp/
/[Oo]bj/
/[Bb]uild/
/[Bb]uilds/
/Assets/AssetStoreTools*

# Autogenerated VS/MD solution and project files
ExportedObj/
*.csproj
*.unityproj
*.sln
*.suo
*.tmp
*.user
*.userprefs
*.pidb
*.booproj
*.svd


# Unity3D generated meta files
*.pidb.meta

# Unity3D Generated File On Crash Reports
sysinfo.txt

# Builds
*.apk
*.unitypackage
EOT
}

if [ -e Assets ]; then
  echo "Setup .gitignore and Asset directories."
  setup
  echo "done."
  echo ""
  echo "You should setup manually folloing steps."
  echo ""
  echo "1. Open Inspector [Edit] -> [Project Settings] -> [Editor]"
  echo "2. [Version Control] Mode to [Visible Meta Files]"
  echo "3. [Asset Serialization] Mode to [Force Text]"
  echo ""
fi

You should change directory to Unity Project directory, after that you just run following command.

wget https://gist.githubusercontent.com/xenophy/d17f3922448fe0c4c23734d29a7d5a8e/raw/11331ed530436251dad2d2e7b51617d0af9ccba7/setup.sh
chmod 755 setup.sh
./setup.sh