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module Gitlab
module Git
# Ephemeral (per request) storage for environment variables that some Git
# commands may need.
#
# For example, in pre-receive hooks, new objects are put in a temporary
# $GIT_OBJECT_DIRECTORY. Without it set, the new objects cannot be retrieved
# (this would break push rules for instance).
#
# This class is thread-safe via RequestStore.
class Env
WHITELISTED_GIT_VARIABLES = %w[
GIT_OBJECT_DIRECTORY
GIT_ALTERNATE_OBJECT_DIRECTORIES
].freeze
def self.set(env)
return unless RequestStore.active?
RequestStore.store[:gitlab_git_env] = whitelist_git_env(env)
end
def self.all
return {} unless RequestStore.active?
RequestStore.fetch(:gitlab_git_env) { {} }
end
def self.[](key)
all[key]
end
def self.whitelist_git_env(env)
env.select { |key, _| WHITELISTED_GIT_VARIABLES.include?(key.to_s) }.with_indifferent_access
end
end
end
end
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