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utils: correctly handle empty user gem env.

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This commit is contained in:
Mike McQuaid 2017-11-04 16:31:18 +00:00
parent f999a57620
commit b369593cbd
1 changed files with 5 additions and 2 deletions
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7
Library/Homebrew/utils.rb
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@ -189,8 +189,11 @@ module Homebrew
def install_gem_setup_path!(name, version = nil, executable = name) def install_gem_setup_path!(name, version = nil, executable = name)
# Respect user's preferences for where gems should be installed. # Respect user's preferences for where gems should be installed.
ENV["GEM_HOME"] = ENV["HOMEBREW_GEM_HOME"].to_s ENV["GEM_HOME"] = if ENV["HOMEBREW_GEM_HOME"].to_s.empty?
ENV["GEM_HOME"] = Gem.user_dir if ENV["GEM_HOME"].empty? Gem.user_dir
else
ENV["HOMEBREW_GEM_HOME"]
end
unless ENV["HOMEBREW_GEM_PATH"].to_s.empty? unless ENV["HOMEBREW_GEM_PATH"].to_s.empty?
ENV["GEM_PATH"] = ENV["HOMEBREW_GEM_PATH"] ENV["GEM_PATH"] = ENV["HOMEBREW_GEM_PATH"]
end end