If a rule-generated task has multiple prerequisites, only the first
prerequisite may refer to a rule-generated task, otherwise the
prerequisite task is not executed. The rakefile below demonstrates
the bug:
Rakefile:
namespace :example do
rule(/\ba$/)
rule(/\bb$/)
rule(/\bc$/ => ['a','b'])
end
Try it out:
$ rake example:c --dry-run
(in /Users/robin/projects/ohloh)
** Invoke example:c (first_time)
** Invoke a (first_time)
** Execute (dry run) a
** Execute (dry run) example:c
I expect that b would also execute. A correction patch follows.
Thanks,
Robin Luckey
Index: lib/rake.rb
===================================================================
--- lib/rake.rb (revision 609)
+++ lib/rake.rb (working copy)
@@ -1715,7 +1715,7 @@
prereqs = sources.collect { |source|
if File.exist?(source) || Rake::Task.task_defined?(source)
source
- elsif parent = enhance_with_matching_rule(sources.first,
level+1)
+ elsif parent = enhance_with_matching_rule(source, level+1)
parent.name
else
return nil
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