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module Commits
class ChangeService < ::BaseService
class ValidationError < StandardError; end
class ChangeError < StandardError; end
def execute
@source_project = params[:source_project] || @project
@target_branch = params[:target_branch]
@commit = params[:commit]
@create_merge_request = params[:create_merge_request].present?
check_push_permissions unless @create_merge_request
commit
rescue Repository::CommitError, Gitlab::Git::Repository::InvalidBlobName, GitHooksService::PreReceiveError,
ValidationError, ChangeError => ex
error(ex.message)
end
def commit
raise NotImplementedError
end
private
def check_push_permissions
allowed = ::Gitlab::GitAccess.new(current_user, project).can_push_to_branch?(@target_branch)
unless allowed
raise ValidationError.new('You are not allowed to push into this branch')
end
true
end
def create_target_branch(new_branch)
# Temporary branch exists and contains the change commit
return success if repository.find_branch(new_branch)
result = CreateBranchService.new(@project, current_user)
.execute(new_branch, @target_branch, source_project: @source_project)
if result[:status] == :error
raise ChangeError, "There was an error creating the source branch: #{result[:message]}"
end
end
end
end
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