Ruby/rails powered shell aliases. Used with zsh, but should work with bash too.

aliases.sh

# Classic aliases
alias bx='bundle exec'
alias bs='bundle show'
alias bu='bundle update'
alias bo='bundle open'
alias bxsc='bundle exec script/console'
alias bxrc='bundle exec rails console'
alias bxcs='bundle exec cap staging'
alias bxcp='bundle exec cap production'

# Function aliases

# Returns rails major version number.
# Assumes gemfile.lock presence in current dir.
function rails_rev()
{
  cat Gemfile.lock | egrep '^(\ )*rails \([0-9\.]*\)' | cut -d ' ' -f 6 | cut -d '(' -f 2 | cut -d ')' -f 1 | cut -d '.' -f 1
}

# Starts a rails 3 server. Extract the port from the .foremand file if existing, otherwise standard port.
function bxrs()
{
  if [ -e '.foreman' ] && [ -f '.foreman' ] && [ -r '.foreman' ]; then
    bundle exec rails server -p `cat .foreman | grep port | cut -c 7-`
  else
    bundle exec rails server
  fi
}

# Starts a rails 2 server. Extract the port from the .foremand file if existing, otherwise standard port.
function bxss()
{
  if [ -e '.foreman' ] && [ -f '.foreman' ] && [ -r '.foreman' ]; then
    bundle exec script/server -p `cat .foreman | grep port | cut -c 7-`
  else
    bundle exec script/server
  fi
}

# Starts a rails 2/3 server
function bxs()
{
  if [ $(rails_rev) -eq "3" ]; then
    bxrs
  else
    bxss
  fi
}

# Starts a rails 2/3 console
function bxc()
{
  if [ $(rails_rev) -eq "3" ]; then
    bxrc
  else
    bxsc
  fi
}