63 lines
1.7 KiB
Ruby
63 lines
1.7 KiB
Ruby
# frozen_string_literal: true
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module MergeRequests
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class SquashService < MergeRequests::BaseService
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SquashInProgressError = Class.new(RuntimeError)
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def execute
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# If performing a squash would result in no change, then
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# immediately return a success message without performing a squash
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if merge_request.commits_count < 2 && message.nil?
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return success(squash_sha: merge_request.diff_head_sha)
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end
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return error(s_('MergeRequests|This project does not allow squashing commits when merge requests are accepted.')) if squash_forbidden?
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if squash_in_progress?
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return error(s_('MergeRequests|Squash task canceled: another squash is already in progress.'))
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end
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squash! || error(s_('MergeRequests|Failed to squash. Should be done manually.'))
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rescue SquashInProgressError
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error(s_('MergeRequests|An error occurred while checking whether another squash is in progress.'))
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end
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private
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def squash!
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squash_sha = repository.squash(current_user, merge_request, message || merge_request.default_squash_commit_message)
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success(squash_sha: squash_sha)
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rescue => e
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log_error(exception: e, message: 'Failed to squash merge request')
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false
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end
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def squash_in_progress?
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merge_request.squash_in_progress?
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rescue => e
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log_error(exception: e, message: 'Failed to check squash in progress')
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raise SquashInProgressError, e.message
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end
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def squash_forbidden?
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target_project.squash_never?
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end
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def repository
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target_project.repository
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end
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def merge_request
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params[:merge_request]
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end
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def message
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params[:squash_commit_message].presence
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end
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end
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end
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