98 lines
2.8 KiB
Ruby
98 lines
2.8 KiB
Ruby
# frozen_string_literal: true
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# A collection of Commit instances for a specific project and Git reference.
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class CommitCollection
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include Enumerable
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include Gitlab::Utils::StrongMemoize
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attr_reader :project, :ref, :commits
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# project - The project the commits belong to.
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# commits - The Commit instances to store.
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# ref - The name of the ref (e.g. "master").
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def initialize(project, commits, ref = nil)
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@project = project
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@commits = commits
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@ref = ref
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end
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def each(&block)
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commits.each(&block)
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end
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def committers
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emails = without_merge_commits.map(&:committer_email).uniq
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User.by_any_email(emails)
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end
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def without_merge_commits
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strong_memoize(:without_merge_commits) do
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# `#enrich!` the collection to ensure all commits contain
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# the necessary parent data
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enrich!.commits.reject(&:merge_commit?)
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end
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end
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# Returns the collection with the latest pipeline for every commit pre-set.
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#
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# Setting the pipeline for each commit ahead of time removes the need for running
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# a query for every commit we're displaying.
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def with_latest_pipeline(ref = nil)
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pipelines = project.ci_pipelines.latest_pipeline_per_commit(map(&:id), ref)
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each do |commit|
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commit.set_latest_pipeline_for_ref(ref, pipelines[commit.id])
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end
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self
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end
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def unenriched
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commits.reject(&:gitaly_commit?)
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end
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def fully_enriched?
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unenriched.empty?
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end
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# Batch load any commits that are not backed by full gitaly data, and
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# replace them in the collection.
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def enrich!
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# A project is needed in order to fetch data from gitaly. Projects
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# can be absent from commits in certain rare situations (like when
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# viewing a MR of a deleted fork). In these cases, assume that the
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# enriched data is not needed.
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return self if project.blank? || fully_enriched?
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# Batch load full Commits from the repository
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# and map to a Hash of id => Commit
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replacements = Hash[unenriched.map do |c|
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[c.id, Commit.lazy(project, c.id)]
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end.compact]
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# Replace the commits, keeping the same order
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@commits = @commits.map do |original_commit|
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# Return the original instance: if it didn't need to be batchloaded, it was
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# already enriched.
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batch_loaded_commit = replacements.fetch(original_commit.id, original_commit)
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# If batch loading the commit failed, fall back to the original commit.
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# We need to explicitly check `.nil?` since otherwise a `BatchLoader` instance
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# that looks like `nil` is returned.
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batch_loaded_commit.nil? ? original_commit : batch_loaded_commit
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end
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self
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end
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def respond_to_missing?(message, inc_private = false)
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commits.respond_to?(message, inc_private)
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end
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# rubocop:disable GitlabSecurity/PublicSend
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def method_missing(message, *args, &block)
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commits.public_send(message, *args, &block)
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end
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end
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