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Versions: 6
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Contents
module Capsaicin
module Namespace
# Redefine settings for the duration of an existing task.
def task_settings(task, vars)
orig_vars = vars.keys.select { |k| exists? k }.inject({}) { |h,k| h[k] = variables[k]; h }
orig_body = tasks[task].body
tasks[task].instance_variable_set(:@body, lambda do
vars.each { |k,v| Proc===v ? set(k, &v) : set(k, v) }
begin
orig_body.call
ensure
vars.keys.each do |k|
if ! orig_vars.include? k
variables.delete k
else
v = orig_vars[k]
Proc===v ? set(k, &v) : set(k, v)
end
end
end
end)
end
# Undefine tasks in a namespace.
def undef_tasks(name, list)
namespace name do
metaclass = class << self; self; end
list.each do |k|
k = k.to_sym
metaclass.send(:undef_method, k)
tasks.delete k
end
end
end
# Override tasks in a namespace to a NOOP.
def noop_tasks(name, list)
namespace name do
metaclass = class << self; self; end
list.each do |k|
tasks[k.to_sym].instance_variable_set(:@body, lambda {})
end
end
end
end
end
Version data entries
6 entries across 6 versions & 2 rubygems