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# frozen_string_literal: true
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class RepositoryForkWorker # rubocop:disable Scalability/IdempotentWorker
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include ApplicationWorker
include ProjectStartImport
include ProjectImportOptions
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feature_category :source_code_management
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def perform ( * args )
target_project_id = args . shift
target_project = Project . find ( target_project_id )
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source_project = target_project . forked_from_project
unless source_project
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return target_project . import_state . mark_as_failed ( _ ( 'Source project cannot be found.' ) )
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end
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fork_repository ( target_project , source_project )
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end
private
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def fork_repository ( target_project , source_project )
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return unless start_fork ( target_project )
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Gitlab :: Metrics . add_event ( :fork_repository )
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gitaly_fork! ( source_project , target_project )
link_lfs_objects ( source_project , target_project )
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target_project . after_import
end
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def start_fork ( project )
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return true if start ( project . import_state )
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Rails . logger . info ( " Project #{ project . full_path } was in inconsistent state ( #{ project . import_status } ) while forking. " ) # rubocop:disable Gitlab/RailsLogger
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false
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end
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def gitaly_fork! ( source_project , target_project )
source_repo = source_project . repository . raw
target_repo = target_project . repository . raw
:: Gitlab :: GitalyClient :: RepositoryService . new ( target_repo ) . fork_repository ( source_repo )
rescue GRPC :: BadStatus = > e
Gitlab :: ErrorTracking . track_exception ( e , source_project_id : source_project . id , target_project_id : target_project . id )
raise_fork_failure ( source_project , target_project , 'Failed to create fork repository' )
end
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def link_lfs_objects ( source_project , target_project )
Projects :: LfsPointers :: LfsLinkService
. new ( target_project )
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. execute ( source_project . all_lfs_objects_oids )
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rescue Projects :: LfsPointers :: LfsLinkService :: TooManyOidsError
raise_fork_failure (
source_project ,
target_project ,
'Source project has too many LFS objects'
)
end
def raise_fork_failure ( source_project , target_project , reason )
raise " Unable to fork project #{ target_project . id } for repository #{ source_project . disk_path } -> #{ target_project . disk_path } : #{ reason } "
end
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end