31 lines
908 B
Ruby
31 lines
908 B
Ruby
require 'securerandom'
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# Compare 2 branches for one repo or between repositories
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# and return Gitlab::Git::Compare object that responds to commits and diffs
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class CompareService
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def execute(source_project, source_branch, target_project, target_branch)
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source_commit = source_project.commit(source_branch)
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return unless source_commit
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source_sha = source_commit.sha
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# If compare with other project we need to fetch ref first
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unless target_project == source_project
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random_string = SecureRandom.hex
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target_project.repository.fetch_ref(
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source_project.repository.path_to_repo,
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"refs/heads/#{source_branch}",
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"refs/tmp/#{random_string}/head"
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)
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end
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raw_compare = Gitlab::Git::Compare.new(
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target_project.repository.raw_repository,
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target_branch,
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source_sha
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)
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Compare.new(raw_compare, target_project)
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end
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end
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