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#: * `sh` [`--env=std`]:
#: Start a Homebrew build environment shell. Uses our years-battle-hardened
#: Homebrew build logic to help your `./configure && make && make install`
#: or even your `gem install` succeed. Especially handy if you run Homebrew
#: in an Xcode-only configuration since it adds tools like `make` to your `PATH`
#: which otherwise build systems would not find.
#:
#: If `--env=std` is passed, use the standard `PATH` instead of superenv's.
require "extend/ENV"
require "formula"
module Homebrew
module_function
def sh
ENV.activate_extensions!
if superenv?
ENV.set_x11_env_if_installed
ENV.deps = Formula.installed.select { |f| f.keg_only? && f.opt_prefix.directory? }
end
ENV.setup_build_environment
if superenv?
# superenv stopped adding brew's bin but generally users will want it
ENV["PATH"] = PATH.new(ENV["PATH"]).insert(1, HOMEBREW_PREFIX/"bin")
end
if ENV["SHELL"].include?("zsh")
ENV["PS1"] = "brew %B%F{green}~%f%b$ "
else
ENV["PS1"] = 'brew \[\033[1;32m\]\w\[\033[0m\]$ '
end
ENV["VERBOSE"] = "1"
puts <<~EOS
Your shell has been configured to use Homebrew's build environment;
this should help you build stuff. Notably though, the system versions of
gem and pip will ignore our configuration and insist on using the
environment they were built under (mostly). Sadly, scons will also
ignore our configuration.
When done, type `exit'.
EOS
$stdout.flush
exec ENV["SHELL"]
end
end
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