102 lines
2.7 KiB
Ruby
102 lines
2.7 KiB
Ruby
# frozen_string_literal: true
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module Commits
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class CreateService < ::BaseService
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ValidationError = Class.new(StandardError)
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ChangeError = Class.new(StandardError)
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def initialize(*args)
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super
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@start_project = params[:start_project] || @project
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@start_branch = params[:start_branch]
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@start_sha = params[:start_sha]
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@branch_name = params[:branch_name]
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@force = params[:force] || false
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end
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def execute
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validate!
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new_commit = create_commit!
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success(result: new_commit)
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rescue ValidationError,
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ChangeError,
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Gitlab::Git::Index::IndexError,
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Gitlab::Git::CommitError,
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Gitlab::Git::PreReceiveError,
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Gitlab::Git::CommandError => ex
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error(ex.message)
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end
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private
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def create_commit!
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raise NotImplementedError
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end
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def raise_error(message)
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raise ValidationError, message
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end
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def different_branch?
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@start_project != @project || @start_branch != @branch_name || @start_sha.present?
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end
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def force?
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!!@force
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end
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def validate!
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validate_permissions!
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validate_start_sha!
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validate_on_branch!
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validate_branch_existence!
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validate_new_branch_name! if different_branch?
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end
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def validate_permissions!
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allowed = ::Gitlab::UserAccess.new(current_user, project: project).can_push_to_branch?(@branch_name)
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unless allowed
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raise_error("You are not allowed to push into this branch")
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end
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end
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def validate_start_sha!
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return unless @start_sha
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if @start_branch
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raise_error("You can't pass both start_branch and start_sha")
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elsif !Gitlab::Git.commit_id?(@start_sha)
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raise_error("Invalid start_sha '#{@start_sha}'")
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elsif !@start_project.repository.commit(@start_sha)
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raise_error("Cannot find start_sha '#{@start_sha}'")
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end
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end
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def validate_on_branch!
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return unless @start_branch
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if !@start_project.empty_repo? && !@start_project.repository.branch_exists?(@start_branch)
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raise_error('You can only create or edit files when you are on a branch')
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end
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end
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def validate_branch_existence!
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if !project.empty_repo? && different_branch? && repository.branch_exists?(@branch_name) && !force?
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raise_error("A branch called '#{@branch_name}' already exists. Switch to that branch in order to make changes")
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end
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end
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def validate_new_branch_name!
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result = ValidateNewBranchService.new(project, current_user).execute(@branch_name, force: force?)
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if result[:status] == :error
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raise_error("Something went wrong when we tried to create '#{@branch_name}' for you: #{result[:message]}")
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end
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end
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end
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end
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