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#: * `--env`:
#: Show a summary of the Homebrew build environment.
require "extend/ENV"
require "build_environment"
require "utils/shell"
module Homebrew
module_function
def __env
ENV.activate_extensions!
ENV.deps = ARGV.formulae if superenv?
ENV.setup_build_environment
ENV.universal_binary if ARGV.build_universal?
shell_value = ARGV.value("shell")
if ARGV.include?("--plain")
shell = nil
elsif shell_value.nil?
# legacy behavior
shell = :bash unless $stdout.tty?
elsif shell_value == "auto"
shell = Utils::Shell.parent || Utils::Shell.preferred
elsif shell_value
shell = Utils::Shell.from_path(shell_value)
end
env_keys = build_env_keys(ENV)
if shell.nil?
dump_build_env ENV
else
env_keys.each { |key| puts Utils::Shell.export_value(shell, key, ENV[key]) }
end
end
end
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