_homebrew-installed() {
  type brew &> /dev/null
}

_awscli-homebrew-installed() {
  brew list awscli &> /dev/null
}

export AWS_HOME=~/.aws

function agp {
  echo $AWS_DEFAULT_PROFILE
}
function asp {
  export AWS_DEFAULT_PROFILE=$1
  export AWS_PROFILE=$1
  export RPROMPT="<aws:$AWS_DEFAULT_PROFILE>$RPROMPT"
}
function aws_profiles {
  reply=($(grep profile $AWS_HOME/config|sed -e 's/.*profile \([a-zA-Z0-9_-]*\).*/\1/'))
}

compctl -K aws_profiles asp

if _homebrew-installed && _awscli-homebrew-installed ; then
  _aws_zsh_completer_path=$(brew --prefix)/opt/awscli/libexec/bin/aws_zsh_completer.sh
else
  _aws_zsh_completer_path=$(which aws_zsh_completer.sh)
fi

[ -x $_aws_zsh_completer_path ] && source $_aws_zsh_completer_path
unset _aws_zsh_completer_path

_homebrew-installed() {
  type brew &> /dev/null
}

_awscli-homebrew-installed() {
  brew list awscli &> /dev/null
}

export AWS_HOME=~/.aws

function agp {
  echo $AWS_DEFAULT_PROFILE
}
function asp {
  export AWS_DEFAULT_PROFILE=$1
  export RPROMPT="<aws:$AWS_DEFAULT_PROFILE>"
}
function aws_profiles {
  reply=($(grep profile $AWS_HOME/config|sed -e 's/.*profile \([a-zA-Z0-9_-]*\).*/\1/'))
}

compctl -K aws_profiles asp

if _homebrew-installed && _awscli-homebrew-installed ; then
  _aws_zsh_completer_path=$(brew --prefix)/opt/awscli/libexec/bin/aws_zsh_completer.sh
else
  _aws_zsh_completer_path=$(which aws_zsh_completer.sh)
fi

[ -x $_aws_zsh_completer_path ] && source $_aws_zsh_completer_path
unset _aws_zsh_completer_path

--- 
+++ 
@@ -13,8 +13,7 @@
 }
 function asp {
   export AWS_DEFAULT_PROFILE=$1
-  export AWS_PROFILE=$1
-  export RPROMPT="<aws:$AWS_DEFAULT_PROFILE>$RPROMPT"
+  export RPROMPT="<aws:$AWS_DEFAULT_PROFILE>"
 }
 function aws_profiles {
   reply=($(grep profile $AWS_HOME/config|sed -e 's/.*profile \([a-zA-Z0-9_-]*\).*/\1/'))
Set AWS_PROFILE and use existing RPROMPT