ruby on rails - Rake build is operating in an incorrect context -


i have gem exists collect several engines ease of implementation, provide few utility methods of included engines. 1 such utility method rake task release new versions of of collected engines.

my problem that, when run code should execute in context of 1 of collected engines (git commands, file system manipulation, etc.) works, except rake build command. reason, command somehow running in context of umbrella gem, , picking version number gemfile.lock.

using code example: 

dir.chdir( path_to_collected_engine )   # below lie of failed build attempts, of failed in same way...    #p sh( 'bundle' ,  'exec' , 'rake' , 'build' )    #p sh( 'bundle exec rake build' )    #p `bundle exec rake build`    #thr = thread.new {   #  p `bundle exec rake build`   #}   #thr.join    #load file.join(dir.pwd, 'rakefile')   #rake::task['build'].invoke    #p `gem build #{ path_to_collected_engine_gemspec_file }` end

when run standard ruby file, desired output of collected_engine_a 3.12.9 built pkg/collected_engine_a-3.12.9.gem, when running rake task in umbrella gem, puzzling output of collected_engine_a 3.12.9 built pkg/collected_engine_a-3.12.2.gem. seems version being derived gemfile.lock of umbrella gem (if adjust version there, affects output).

i've tried both , without bundle exec preface, same result.

can think of way pick correct context, or stuck moving these out of rakefile, , standard script (renaming output file poor option not considered)?

bundle exec has specific behavior when launched in subshell. can see following note in bundle exec:

make sure if bundler invoked in subshell, uses same gemfile (by setting bundle_gemfile)

so in case, do:

bundle exec rake build bundle_gemfile=#{path_to_collected_engine}/gemfile


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