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# frozen_string_literal: true
require File.expand_path("../compact_index", __FILE__)
Artifice.deactivate
class CompactIndexConcurrentDownload < CompactIndexAPI
get "/versions" do
versions = File.join(Bundler.rubygems.user_home, ".bundle", "cache", "compact_index",
"localgemserver.test.80.dd34752a738ee965a2a4298dc16db6c5", "versions")
# Verify the original (empty) content hasn't been deleted, e.g. on a retry
File.read(versions) == "" || raise("Original file should be present and empty")
# Verify this is only requested once for a partial download
env["HTTP_RANGE"] || raise("Missing Range header for expected partial download")
# Overwrite the file in parallel, which should be then overwritten
# after a successful download to prevent corruption
File.open(versions, "w") {|f| f.puts "another process" }
etag_response do
file = tmp("versions.list")
file.delete if file.file?
file = CompactIndex::VersionsFile.new(file.to_s)
file.create(gems)
file.contents
end
end
end
Artifice.activate_with(CompactIndexConcurrentDownload)
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