66 lines
2.5 KiB
Ruby
66 lines
2.5 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module ImportExport
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class MergeRequestParser
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FORKED_PROJECT_ID = nil
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def initialize(project, diff_head_sha, merge_request, relation_hash)
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@project = project
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@diff_head_sha = diff_head_sha
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@merge_request = merge_request
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@relation_hash = relation_hash
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end
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def parse!
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if fork_merge_request? && @diff_head_sha
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@merge_request.source_project_id = @relation_hash['project_id']
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create_source_branch unless branch_exists?(@merge_request.source_branch)
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create_target_branch unless branch_exists?(@merge_request.target_branch)
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end
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# The merge_request_diff associated with the current @merge_request might
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# be invalid. Than means, when the @merge_request object is saved, the
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# @merge_request.merge_request_diff won't. This can leave the merge request
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# in an invalid state, because a merge request must have an associated
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# merge request diff.
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# In this change, if the associated merge request diff is invalid, we set
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# it to nil. This change, in association with the after callback
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# :ensure_merge_request_diff in the MergeRequest class, makes that
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# when the merge request is going to be created and it doesn't have
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# one, a default one will be generated.
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@merge_request.merge_request_diff = nil unless @merge_request.merge_request_diff&.valid?
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@merge_request
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end
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# When the exported MR was in a fork, the source branch does not exist in
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# the imported bundle - although the commits usually do - so it must be
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# created manually. Ignore failures so we get the merge request itself if
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# the commits are missing.
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def create_source_branch
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@project.repository.create_branch(@merge_request.source_branch, @diff_head_sha)
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rescue => err
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Gitlab::Import::Logger.warn(
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message: 'Import warning: Failed to create source branch',
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source_branch: @merge_request.source_branch,
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diff_head_sha: @diff_head_sha,
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merge_request_iid: @merge_request.iid,
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error: err.message
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)
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end
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def create_target_branch
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@project.repository.create_branch(@merge_request.target_branch, @merge_request.target_branch_sha)
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end
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def branch_exists?(branch_name)
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@project.repository.raw.branch_exists?(branch_name)
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end
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def fork_merge_request?
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@relation_hash['source_project_id'] == FORKED_PROJECT_ID
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end
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end
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end
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end
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