65 lines
1.7 KiB
Ruby
65 lines
1.7 KiB
Ruby
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module Bundler
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class Injector
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def self.inject(new_deps)
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injector = new(new_deps)
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injector.inject(Bundler.default_gemfile, Bundler.default_lockfile)
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end
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def initialize(new_deps)
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@new_deps = new_deps
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end
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def inject(gemfile_path, lockfile_path)
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if Bundler.settings[:frozen]
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# ensure the lock and Gemfile are synced
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Bundler.definition.ensure_equivalent_gemfile_and_lockfile(true)
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# temporarily remove frozen while we inject
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frozen = Bundler.settings.delete(:frozen)
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end
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# evaluate the Gemfile we have now
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builder = Dsl.new
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builder.eval_gemfile(gemfile_path)
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# don't inject any gems that are already in the Gemfile
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@new_deps -= builder.dependencies
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# add new deps to the end of the in-memory Gemfile
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builder.eval_gemfile("injected gems", new_gem_lines) if @new_deps.any?
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# resolve to see if the new deps broke anything
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definition = builder.to_definition(lockfile_path, {})
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definition.resolve_remotely!
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# since nothing broke, we can add those gems to the gemfile
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append_to(gemfile_path) if @new_deps.any?
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# since we resolved successfully, write out the lockfile
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definition.lock(Bundler.default_lockfile)
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# return an array of the deps that we added
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return @new_deps
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ensure
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Bundler.settings[:frozen] = '1' if frozen
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end
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private
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def new_gem_lines
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@new_deps.map do |d|
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%|gem '#{d.name}', '#{d.requirement}'|
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end.join("\n")
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end
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def append_to(gemfile_path)
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gemfile_path.open("a") do |f|
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f.puts
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f.puts "# Added at #{Time.now} by #{`whoami`.chomp}:"
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f.puts new_gem_lines
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end
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end
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end
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end
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