Add dirname and --offline to https://plus.google.com/+JakeWharton/posts/hPkaEwza6HG

gw.sh

export GRADLE_DEFAULT_OPTS='--offline'                                                                                                                                                                               
                                                                                                                                                                                                                     
function upfind() {                                                                                                                                                                                                  
  dir=`pwd`                                                                                                                                                                                                          
  while [ "$dir" != "/" ]; do                                                                                                                                                                                        
    p=`find "$dir" -maxdepth 1 -name $1`                                                                                                                                                                             
    if [ ! -z $p ]; then                                                                                                                                                                                             
      echo "$p"                                                                                                                                                                                                      
      return                                                                                                                                                                                                         
    fi                                                                                                                                                                                                               
    dir=`dirname "$dir"`                                                                                                                                                                                             
  done                                                                                                                                                                                                               
}                                                                                                                                                                                                                    
                                                                                                                                                                                                                     
function gw() {                                                                                                                                                                                                      
  GW="$(upfind gradlew)"                                                                                                                                                                                             
  if [ -z "$GW" ]; then                                                                                                                                                                                              
    echo "Gradle wrapper not found."                                                                                                                                                                                 
  else                                                                                                                                                                                                               
    dir=`dirname "$GW"`                                                                                                                                                                                              
    $GW $GRADLE_DEFAULT_OPTS --project-dir $dir $@                                                                                                                                                                   
  fi                                                                                                                                                                                                                 
}