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module Language
module Java
def self.java_home_cmd(version=nil)
version_flag = " --version #{version}" if version
"/usr/libexec/java_home#{version_flag}"
end
def self.java_home_env(version=nil)
{ :JAVA_HOME => "$(#{java_home_cmd(version)})" }
end
def self.overridable_java_home_env(version=nil)
{ :JAVA_HOME => "${JAVA_HOME:-$(#{java_home_cmd(version)})}" }
end
end
end
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