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# Base classes for specialized types of formulae.
# See chcase for an example
class ScriptFileFormula < Formula
def install
bin.install Dir['*']
end
end
# See browser for an example
class GithubGistFormula < ScriptFileFormula
def initialize(*)
url = self.class.stable.url
self.class.stable.version(File.basename(File.dirname(url))[0,6])
super
end
end
# This formula serves as the base class for several very similar
# formulae for Amazon Web Services related tools.
class AmazonWebServicesFormula < Formula
# Use this method to peform a standard install for Java-based tools,
# keeping the .jars out of HOMEBREW_PREFIX/lib
def standard_install
rm Dir['bin/*.cmd'] # Remove Windows versions
libexec.install Dir['*']
bin.install_symlink Dir["#{libexec}/bin/*"] - ["#{libexec}/bin/service"]
end
# Use this method to generate standard caveats.
def standard_instructions home_name, home_value=libexec
<<-EOS.undent
Before you can use these tools you must export some variables to your $SHELL.
To export the needed variables, add them to your dotfiles.
* On Bash, add them to `~/.bash_profile`.
* On Zsh, add them to `~/.zprofile` instead.
export JAVA_HOME="$(/usr/libexec/java_home)"
export AWS_ACCESS_KEY="<Your AWS Access ID>"
export AWS_SECRET_KEY="<Your AWS Secret Key>"
export #{home_name}="#{home_value}"
EOS
end
end
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