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module Gitlab
module Git
class RevList
attr_reader :project, :env
ALLOWED_VARIABLES = %w[GIT_OBJECT_DIRECTORY GIT_ALTERNATE_OBJECT_DIRECTORIES].freeze
def initialize(oldrev, newrev, project:, env: nil)
@project = project
@env = env.presence || {}
@args = [Gitlab.config.git.bin_path,
"--git-dir=#{project.repository.path_to_repo}",
"rev-list",
"--max-count=1",
oldrev,
"^#{newrev}"]
end
def execute
Gitlab::Popen.popen(@args, nil, parse_environment_variables)
end
def valid?
environment_variables.all? do |(name, value)|
value.to_s.start_with?(project.repository.path_to_repo)
end
end
private
def parse_environment_variables
return {} unless valid?
environment_variables
end
def environment_variables
@environment_variables ||= env.slice(*ALLOWED_VARIABLES).compact
end
end
end
end
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