setup-ruby-path() {
local vendor_dir
local vendor_ruby_current_version
local vendor_ruby_path
local ruby_old_version
local minimum_ruby_version="2.3.3"
vendor_dir="$HOMEBREW_LIBRARY/Homebrew/vendor"
vendor_ruby_current_version="$vendor_dir/portable-ruby/current"
vendor_ruby_path="$vendor_ruby_current_version/bin/ruby"
if [[ -z "$HOMEBREW_DEVELOPER" ]]
then
unset HOMEBREW_RUBY_PATH
fi
if [[ -z "$HOMEBREW_RUBY_PATH" && "$HOMEBREW_COMMAND" != "vendor-install" ]]
then
if [[ -x "$vendor_ruby_path" ]]
then
HOMEBREW_RUBY_PATH="$vendor_ruby_path"
if [[ $(readlink "$vendor_ruby_current_version") != "$(<"$vendor_dir/portable-ruby-version")" ]]
then
if ! brew vendor-install ruby
then
onoe "Failed to upgrade vendor Ruby."
fi
fi
else
if [[ -n "$HOMEBREW_MACOS" ]]
then
HOMEBREW_RUBY_PATH="/System/Library/Frameworks/Ruby.framework/Versions/Current/usr/bin/ruby"
else
HOMEBREW_RUBY_PATH="$(which ruby)"
fi
if [[ -n "$HOMEBREW_RUBY_PATH" ]]
then
ruby_old_version="$("$HOMEBREW_RUBY_PATH" -rrubygems -e "puts Gem::Version.new('$minimum_ruby_version') > Gem::Version.new(RUBY_VERSION)")"
fi
if [[ -z "$HOMEBREW_RUBY_PATH" || "$ruby_old_version" == "true" || -n "$HOMEBREW_FORCE_VENDOR_RUBY" ]]
then
brew vendor-install ruby
if [[ ! -x "$vendor_ruby_path" ]]
then
odie "Failed to install vendor Ruby."
fi
HOMEBREW_RUBY_PATH="$vendor_ruby_path"
fi
fi
fi
export HOMEBREW_RUBY_PATH
}
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