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namespace :submodules do
desc "Check the status of the project's submodules"
task :check => :environment do
commit_info = `git submodule status commonlib`
case commit_info[0,1]
when '+'
$stderr.puts "Error: Currently checked out submodule commit for commonlib"
$stderr.puts "does not match the commit expected by this version of Alaveteli."
$stderr.puts "You can update it with 'git submodule update'."
exit(1)
when '-'
$stderr.puts "Error: Submodule commonlib needs to be initialized."
$stderr.puts "You can do this by running 'git submodule update --init'."
exit(1)
when 'U'
$stderr.puts "Error: Submodule commonlib has merge conflicts."
$stderr.puts "You'll need to resolve these to run Alaveteli."
exit(1)
when ' '
exit(0)
else
raise "Unexpected status character in response to 'git submodule status commonlib': #{commit_info[0,1]}"
end
end
end
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