$ brew install arm-none-eabi-gcc
Error: undefined method `desc' for ArmNoneEabiGcc:Class
Please report this bug:
https://github.com/Homebrew/homebrew/wiki/troubleshooting
/usr/local/Library/Taps/nitsky/homebrew-stm32/arm-none-eabi-gcc.rb:2:in `<class:ArmNoneEabiGcc>'
/usr/local/Library/Taps/nitsky/homebrew-stm32/arm-none-eabi-gcc.rb:1:in `<top (required)>'
/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:in `require'
/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:in `require'
/usr/local/Library/Homebrew/formulary.rb:65:in `klass'
/usr/local/Library/Homebrew/formulary.rb:50:in `get_formula'
/usr/local/Library/Homebrew/formulary.rb:198:in `factory'
/usr/local/Library/Homebrew/extend/ARGV.rb:16:in `block in formulae'
/usr/local/Library/Homebrew/extend/ARGV.rb:16:in `map'
/usr/local/Library/Homebrew/extend/ARGV.rb:16:in `formulae'
/usr/local/Library/Homebrew/cmd/install.rb:28:in `install'
/usr/local/Library/brew.rb:136:in `<main>'