mirror of
https://github.com/Homebrew/brew.git
synced 2025-07-14 16:09:03 +08:00
41 lines
1.1 KiB
Ruby
Executable File
41 lines
1.1 KiB
Ruby
Executable File
#!/usr/bin/ruby -W0
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# This script because we support $GIT, $HOMEBREW_SVN, etc. and Xcode-only
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# configurations. Order is careful to be what the user would want.
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F = File.basename(__FILE__).freeze
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D = File.expand_path(File.dirname(__FILE__)).freeze
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def exec *args
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# prevent fork-bombs
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arg0 = args.first
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return if arg0 =~ /^#{F}/i || File.expand_path(arg0) == File.expand_path(__FILE__)
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super
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end
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case F.downcase
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when 'git' then %W{HOMEBREW_GIT GIT}
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when 'svn' then %W{HOMEBREW_SVN}
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else []
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end.each do |key|
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exec ENV[key], *ARGV if ENV[key] and File.executable? ENV[key]
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end
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brew_version = File.expand_path("#{D}/../../../bin/#{F}")
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exec brew_version, *ARGV if File.executable? brew_version
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`/usr/bin/which -a #{F} 2>/dev/null`.split("\n").each do |path|
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exec path, *ARGV
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end
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# xcrun hangs if xcode-select is set to "/"
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path = `/usr/bin/xcode-select -print-path 2>/dev/null`.chomp
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if path != "/"
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path = `/usr/bin/xcrun -find #{F} 2>/dev/null`.chomp
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exec path, *ARGV if File.executable? path
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end
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path = "/Applications/Xcode.app/Contents/Developer/usr/bin/#{F}"
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exec path, *ARGV if File.executable? path
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abort "You must: brew install #{F}"
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