76 lines
2.6 KiB
Ruby
76 lines
2.6 KiB
Ruby
module MergeRequests
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class BuildService < MergeRequests::BaseService
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def execute
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merge_request = MergeRequest.new(params)
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# Set MR attributes
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merge_request.can_be_created = false
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merge_request.compare_commits = []
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merge_request.source_project = project unless merge_request.source_project
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merge_request.target_project ||= (project.forked_from_project || project)
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merge_request.target_branch ||= merge_request.target_project.default_branch
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if merge_request.target_branch.blank? || merge_request.source_branch.blank?
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message =
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if params[:source_branch] || params[:target_branch]
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"You must select source and target branch"
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end
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return build_failed(merge_request, message)
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end
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compare = CompareService.new.execute(
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merge_request.source_project,
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merge_request.source_branch,
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merge_request.target_project,
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merge_request.target_branch,
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)
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commits = compare.commits
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# At this point we decide if merge request can be created
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# If we have at least one commit to merge -> creation allowed
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if commits.present?
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merge_request.compare_commits = Commit.decorate(commits, merge_request.source_project)
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merge_request.can_be_created = true
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merge_request.compare = compare
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else
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merge_request.can_be_created = false
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end
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commits = merge_request.compare_commits
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if commits && commits.count == 1
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commit = commits.first
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merge_request.title = commit.title
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merge_request.description ||= commit.description.try(:strip)
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else
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merge_request.title = merge_request.source_branch.titleize.humanize
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end
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# When your branch name starts with an iid followed by a dash this pattern will
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# be interpreted as the use wants to close that issue on this project
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# Pattern example: 112-fix-mep-mep
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# Will lead to appending `Closes #112` to the description
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if match = merge_request.source_branch.match(/-(\d+)\z/)
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iid = match[1]
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closes_issue = "Closes ##{iid}"
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if merge_request.description.present?
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merge_request.description << closes_issue.prepend("\n")
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else
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merge_request.description = closes_issue
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end
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end
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merge_request
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end
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def build_failed(merge_request, message)
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merge_request.errors.add(:base, message) unless message.nil?
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merge_request.compare_commits = []
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merge_request.can_be_created = false
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merge_request
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end
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end
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end
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