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class Keg
PREFIX_PLACEHOLDER = "@@HOMEBREW_PREFIX@@".freeze
CELLAR_PLACEHOLDER = "@@HOMEBREW_CELLAR@@".freeze
REPOSITORY_PLACEHOLDER = "@@HOMEBREW_REPOSITORY@@".freeze
def fix_dynamic_linkage
symlink_files.each do |file|
link = file.readlink
# Don't fix relative symlinks
next unless link.absolute?
if link.to_s.start_with?(HOMEBREW_CELLAR.to_s) || link.to_s.start_with?(HOMEBREW_PREFIX.to_s)
FileUtils.ln_sf(link.relative_path_from(file.parent), file)
end
end
end
alias generic_fix_dynamic_linkage fix_dynamic_linkage
def relocate_dynamic_linkage(_old_prefix, _new_prefix, _old_cellar, _new_cellar)
[]
end
def relocate_text_files(old_prefix, new_prefix, old_cellar, new_cellar,
old_repository, new_repository)
files = text_files | libtool_files
files.group_by { |f| f.stat.ino }.each_value do |first, *rest|
s = first.open("rb", &:read)
changed = s.gsub!(old_cellar, new_cellar)
changed = s.gsub!(old_prefix, new_prefix) || changed
changed = s.gsub!(old_repository, new_repository) || changed
next unless changed
begin
first.atomic_write(s)
rescue SystemCallError
first.ensure_writable do
first.open("wb") { |f| f.write(s) }
end
else
rest.each { |file| FileUtils.ln(first, file, force: true) }
end
end
end
def detect_cxx_stdlibs(_options = {})
[]
end
def each_unique_file_matching(string)
Utils.popen_read("/usr/bin/fgrep", "-lr", string, to_s) do |io|
hardlinks = Set.new
until io.eof?
file = Pathname.new(io.readline.chomp)
next if file.symlink?
yield file if hardlinks.add? file.stat.ino
end
end
end
def lib
path.join("lib")
end
def text_files
text_files = []
return text_files unless File.exist?("/usr/bin/file")
# file has known issues with reading files on other locales. Has
# been fixed upstream for some time, but a sufficiently new enough
# file with that fix is only available in macOS Sierra.
# http://bugs.gw.com/view.php?id=292
with_custom_locale("C") do
path.find do |pn|
next if pn.symlink? || pn.directory?
next if Metafiles::EXTENSIONS.include? pn.extname
if Utils.popen_read("/usr/bin/file", "--brief", pn).include?("text") ||
pn.text_executable?
text_files << pn
end
end
end
text_files
end
def libtool_files
libtool_files = []
path.find do |pn|
next if pn.symlink? || pn.directory? || pn.extname != ".la"
libtool_files << pn
end
libtool_files
end
def symlink_files
symlink_files = []
path.find do |pn|
symlink_files << pn if pn.symlink?
end
symlink_files
end
def self.file_linked_libraries(_file, _string)
[]
end
end
require "extend/os/keg_relocate"
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