class RubyYacht::Hook::EnvironmentVariableBehavior
This class provides a behavior for setting an environment variable in the image.
Public Class Methods
new(name, proc)
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This initializer creates the behavior.
### Parameters
-
**name: String** The name of the environment variable to create.
-
**proc: Proc** The proc for generating the value for the
environment variable.
# File lib/ruby_yacht/dsl/hook.rb, line 238 def initialize(name, proc) @name = name @proc = proc @context = self end
Public Instance Methods
dockerfile_command()
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The command that should be run in a Dockerfile for this behavior.
# File lib/ruby_yacht/dsl/hook.rb, line 250 def dockerfile_command value = self.value return nil unless value "ENV #{@name} #{value}" end
shell_command()
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The command that should be run in a shell script for this behavior.
# File lib/ruby_yacht/dsl/hook.rb, line 257 def shell_command value = self.value return nil unless value "export #{@name}=\"#{value}\"" end
value()
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The value for the environment variable.
# File lib/ruby_yacht/dsl/hook.rb, line 245 def value context.instance_eval(&@proc) end