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Remove existing from PATH when adding Gem.bindir. #2580

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May 3, 2017
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Remove existing from PATH when adding Gem.bindir. #2580

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5 changes: 1 addition & 4 deletions Library/Homebrew/utils.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -189,14 +189,11 @@ def install_gem_setup_path!(name, version = nil, executable = name)
Gem.clear_paths
Gem::Specification.reset

# Create GEM_HOME which may not exist yet so it exists when creating PATH.
FileUtils.mkdir_p Gem.bindir

# Add Gem binary directory and (if missing) Ruby binary directory to PATH.
path = PATH.new(ENV["PATH"])
path.prepend(RUBY_BIN) if which("ruby") != RUBY_PATH
path.prepend(Gem.bindir)
ENV["PATH"] = path.existing
ENV["PATH"] = path

if Gem::Specification.find_all_by_name(name, version).empty?
ohai "Installing or updating '#{name}' gem"
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