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26 lines
1014 B
Ruby
26 lines
1014 B
Ruby
# This is a shim around whatever real rbconfig.rb is in the LOAD_PATH,
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# so that RbConfig::CONFIG["ridir"] can be overridden to point to the
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# custom location of the ri docs, without the main derivation having
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# those docs in its closure.
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MY_PATH = File.realpath(__FILE__)
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candidates = $LOAD_PATH.map { |dir| File.join(dir, "rbconfig.rb") }
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# First, drop everything _before_ this file in the LOAD_PATH, just on
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# the off-chance somebody is composing shims like this for some reason.
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candidates.drop_while { |c| !File.exist?(c) || File.realpath(c) != MY_PATH }
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# Now, the wrapped rbconfig.rb is the next rbconfig.rb in the LOAD_PATH
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# that isn't this same file. (Yes, duplicate LOAD_PATH entries are a
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# thing we have to deal with.)
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next_rbconfig = candidates.find { |c|
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File.exist?(c) && File.realpath(c) != MY_PATH
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}
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# Load the wrapped rbconfig.rb
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require next_rbconfig
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# Now we have RbConfig, and can modify it for our own ends.
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RbConfig::CONFIG["ridir"] = File.expand_path("../../../share/ri", __dir__)
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