92 lines
3.0 KiB
Ruby
92 lines
3.0 KiB
Ruby
class Keg
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def fix_install_names
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mach_o_files.each do |file|
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bad_install_names_for file do |id, bad_names|
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file.ensure_writable do
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system MacOS.locate("install_name_tool"), "-id", id, file if file.dylib?
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bad_names.each do |bad_name|
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# If file is a dylib or bundle itself, look for the dylib named by
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# bad_name relative to the lib directory, so that we can skip the more
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# expensive recursive search if possible.
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if file.dylib? or file.mach_o_bundle? and (file.parent + bad_name).exist?
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system MacOS.locate("install_name_tool"), "-change", bad_name, "@loader_path/#{bad_name}", file
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elsif file.mach_o_executable? and (lib/bad_name).exist?
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system MacOS.locate("install_name_tool"), "-change", bad_name, "#{lib}/#{bad_name}", file
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else
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# Otherwise, try and locate the dylib by walking the entire
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# lib tree recursively.
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abs_name = find_dylib(Pathname.new(bad_name).basename)
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if abs_name and abs_name.exist?
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system MacOS.locate("install_name_tool"), "-change", bad_name, abs_name, file
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else
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opoo "Could not fix install names for #{file}"
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end
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end
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end
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end
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end
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end
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end
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private
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OTOOL_RX = /\t(.*) \(compatibility version (\d+\.)*\d+, current version (\d+\.)*\d+\)/
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def lib; join 'lib' end
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def bad_install_names_for file
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ENV['HOMEBREW_MACH_O_FILE'] = file.to_s # solves all shell escaping problems
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install_names = `#{MacOS.locate("otool")} -L "$HOMEBREW_MACH_O_FILE"`.split "\n"
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install_names.shift # first line is fluff
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install_names.map!{ |s| OTOOL_RX =~ s && $1 }
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# Bundles and executables do not have an ID
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id = install_names.shift if file.dylib?
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install_names.compact!
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install_names.reject!{ |fn| fn =~ /^@(loader_|executable_|r)path/ }
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# Don't fix absolute paths unless they are rooted in the build directory
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install_names.reject! do |fn|
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tmp = ENV['HOMEBREW_TEMP'] ? Regexp.escape(ENV['HOMEBREW_TEMP']) : '/tmp'
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fn[0,1] == '/' and not %r[^#{tmp}] === fn
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end
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# the shortpath ensures that library upgrades don’t break installed tools
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relative_path = Pathname.new(file).relative_path_from(self)
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shortpath = HOMEBREW_PREFIX.join(relative_path)
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id = if shortpath.exist?
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shortpath
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else
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"#{HOMEBREW_PREFIX}/opt/#{fname}/#{relative_path}"
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end
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yield id, install_names
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end
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def find_dylib name
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(join 'lib').find do |pn|
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break pn if pn.basename == Pathname.new(name)
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end
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end
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def mach_o_files
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mach_o_files = []
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dirs = %w{bin lib Frameworks}
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dirs.map! { |dir| join(dir) }
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dirs.reject! { |dir| not dir.directory? }
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dirs.each do |dir|
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dir.find do |pn|
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next if pn.symlink? or pn.directory?
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mach_o_files << pn if pn.dylib? or pn.mach_o_bundle? or pn.mach_o_executable?
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end
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end
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mach_o_files
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end
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end
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