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58 lines
1.7 KiB
58 lines
1.7 KiB
# Support to dynamic CartoGears loading
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# Inspired by BootInquirer at https://github.com/taskrabbit/rails_engines_example/blob/17b5ee5286c2186951312cbe440b8d21738596eb/lib/boot_inquirer.rb
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module Carto
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class CartoGearsSupport
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# Returns gears found at:
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# - `/gears`. Should be "installed" (added to `Gemfile.lock``)
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# - `/private_gears` (shouldn't be installed)
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# Returns install gears first.
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def gears
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(public_gears + private_gears).sort { |a, _| a.installable ? -1 : 1 }
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end
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private
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def public_gears
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Dir['gears/*/*.gemspec'].map { |gemspec_file| gear_from_gemspec_file(gemspec_file, true) }
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end
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def private_gears
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Dir['private_gears/*/*.gemspec'].map { |gemspec_file| gear_from_gemspec_file(gemspec_file, false) }
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end
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def gear_from_gemspec_file(gemspec_file, install)
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Carto::Gear.new(File.basename(gemspec_file, File.extname(gemspec_file)), File.dirname(gemspec_file), install)
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end
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end
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class Gear
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def initialize(gem_name, path, installable)
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@name = gem_name.dup.freeze
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@path = path.dup.freeze
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@installable = installable
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end
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# path should only be used from CARTO Gemfile, because Rails is not yet available and relative path is good enough.
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# If you need access to the gear path, use full_path instead.
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attr_reader :name, :path, :installable
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def engine
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module_name = @name.classify
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module_name << 's' if @name[-1] == 's'
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"#{module_name}::Engine".constantize
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end
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def gemspec
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pwd = Dir.pwd
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Dir.chdir(path)
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Gem::Specification::load("#{name}.gemspec")
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ensure
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Dir.chdir(pwd)
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end
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def full_path
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Rails.root.join(path)
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end
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end
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end
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