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Only write files if we actually made a change

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Jack Nagel 2014-03-27 21:42:09 -05:00
parent 4e918666d7
commit b25156ca4a
1 changed files with 7 additions and 4 deletions
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7
Library/Homebrew/keg_fix_install_names.rb
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@ -42,12 +42,15 @@ class Keg
files.group_by { |f| f.stat.ino }.each_value do |first, *rest|
s = first.open("rb", &:read)
s.gsub!(old_cellar, new_cellar)
s.gsub!(old_prefix, new_prefix)
changed = s.gsub!(old_cellar, new_cellar)
changed = s.gsub!(old_prefix, new_prefix) || changed
if changed
first.atomic_write(s)
rest.each { |file| FileUtils.ln(first, file, :force => true) }
end
end
end
def change_dylib_id(id, file)
puts "Changing dylib ID in #{file} to #{id}" if ARGV.debug?