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-rw-r--r--railties/lib/rails_generator/lookup.rb12
1 files changed, 9 insertions, 3 deletions
diff --git a/railties/lib/rails_generator/lookup.rb b/railties/lib/rails_generator/lookup.rb
index 00b78ce645..538e0f55ea 100644
--- a/railties/lib/rails_generator/lookup.rb
+++ b/railties/lib/rails_generator/lookup.rb
@@ -109,9 +109,15 @@ module Rails
def lookup(generator_name)
@found ||= {}
generator_name = generator_name.to_s.downcase
- @found[generator_name] ||= cache.find { |spec|
- spec.name == generator_name
- } or raise GeneratorError, "Couldn't find '#{generator_name}' generator"
+ @found[generator_name] ||= cache.find { |spec| spec.name == generator_name }
+ unless @found[generator_name]
+ chars = generator_name.scan(/./).map{|c|"#{c}.*?"}
+ rx = /^#{chars}$/
+ gns = cache.select{|spec| spec.name =~ rx }
+ @found[generator_name] ||= gns.first if gns.length == 1
+ raise GeneratorError, "Pattern '#{generator_name}' matches more than one generator: #{gns.map{|sp|sp.name}.join(', ')}" if gns.length > 1
+ end
+ @found[generator_name] or raise GeneratorError, "Couldn't find '#{generator_name}' generator"
end
# Convenience method to lookup and instantiate a generator.