gistfile1.sh

#!/usr/bin/env sh

function update_gem_ref {
  __rails_root=$1
  __gemfile=$__rails_root/Gemfile
  __gem_name=$2
  __gem_path=$3

  __old_ref=$(grep $__gem_name $__gemfile | grep ref | cut -d ',' -f3 | sed 's/^ *//g')
  __new_ref=$(cd $__gem_path && git log --pretty=format:%h -1)

  cd $__rails_root

  __cmd="sed -i '' 's/$__old_ref/:ref => \"$__new_ref\"/' $__gemfile"
  echo $__cmd | sh

  echo "$__gem_name from $__old_ref to $__new_ref"
}

update_gem_ref $PWD "eden_account" ${1-"../account"}
update_gem_ref $PWD "abacos_wms" ${2-"../abacos_wms"}