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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 name='__UNKNOWN__', path=nil
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
prefix.install "bin"
# Put the .jars in prefix/jars/lib, which isn't linked to the Cellar
# This will prevent conflicts with other versions of these jars.
(prefix+'jars').install 'lib'
(prefix+'jars/bin').make_symlink '../bin'
end
# Use this method to generate standard caveats.
def standard_instructions var_name, var_value=linked_keg+'jars'
<<-EOS.undent
Before you can use these tools you must export some variables to your $SHELL
and download your X.509 certificate and private key from Amazon Web Services.
Your certificate and private key are available at:
http://aws-portal.amazon.com/gp/aws/developer/account/index.html?action=access-key
Download two ".pem" files, one starting with `pk-`, and one starting with `cert-`.
You need to put both into a folder in your home directory, `~/.ec2`.
To export the needed variables, add them to your dotfiles.
* On Bash, add them to `~/.bash_profile`.
* On Zsh, add them to `~/.zprofile` instead.
export JAVA_HOME="$(/usr/libexec/java_home)"
export EC2_PRIVATE_KEY="$(/bin/ls "$HOME"/.ec2/pk-*.pem | /usr/bin/head -1)"
export EC2_CERT="$(/bin/ls "$HOME"/.ec2/cert-*.pem | /usr/bin/head -1)"
export #{var_name}="#{var_value}"
EOS
end
end
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