72 lines
2.6 KiB
Ruby
72 lines
2.6 KiB
Ruby
module Gitlab
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module Satellite
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# GitLab server-side merge
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class MergeAction < Action
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attr_accessor :merge_request
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def initialize(user, merge_request)
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super user, merge_request.project
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@merge_request = merge_request
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end
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# Checks if a merge request can be executed without user interaction
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def can_be_merged?
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in_locked_and_timed_satellite do |merge_repo|
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merge_in_satellite!(merge_repo)
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end
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end
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# Merges the source branch into the target branch in the satellite and
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# pushes it back to Gitolite.
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# It also removes the source branch if requested in the merge request.
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#
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# Returns false if the merge produced conflicts
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# Returns false if pushing from the satellite to Gitolite failed or was rejected
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# Returns true otherwise
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def merge!
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in_locked_and_timed_satellite do |merge_repo|
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if merge_in_satellite!(merge_repo)
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# push merge back to Gitolite
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# will raise CommandFailed when push fails
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merge_repo.git.push({raise: true, timeout: true}, :origin, merge_request.target_branch)
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# remove source branch
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if merge_request.should_remove_source_branch && !project.repository.root_ref?(merge_request.source_branch)
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# will raise CommandFailed when push fails
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merge_repo.git.push({raise: true, timeout: true}, :origin, ":#{merge_request.source_branch}")
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end
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# merge, push and branch removal successful
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true
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end
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end
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rescue Grit::Git::CommandFailed => ex
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Gitlab::GitLogger.error(ex.message)
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false
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end
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private
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# Merges the source_branch into the target_branch in the satellite.
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#
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# Note: it will clear out the satellite before doing anything
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#
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# Returns false if the merge produced conflicts
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# Returns true otherwise
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def merge_in_satellite!(repo)
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prepare_satellite!(repo)
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# create target branch in satellite at the corresponding commit from Gitolite
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repo.git.checkout({raise: true, timeout: true, b: true}, merge_request.target_branch, "origin/#{merge_request.target_branch}")
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# merge the source branch from Gitolite into the satellite
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# will raise CommandFailed when merge fails
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repo.git.pull({raise: true, timeout: true, no_ff: true}, :origin, merge_request.source_branch)
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rescue Grit::Git::CommandFailed => ex
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Gitlab::GitLogger.error(ex.message)
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false
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end
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end
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end
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end
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