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keg_relocate.rb: add each_unique_binary_file

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danielnachun 2022-02-16 21:29:08 -08:00
parent 6661f5b14d
commit 989db5dfb5
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1 changed files with 35 additions and 7 deletions
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42
Library/Homebrew/keg_relocate.rb
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@ -8,6 +8,8 @@ class Keg
LIBRARY_PLACEHOLDER = "@@HOMEBREW_LIBRARY@@"
PERL_PLACEHOLDER = "@@HOMEBREW_PERL@@"
JAVA_PLACEHOLDER = "@@HOMEBREW_JAVA@@"
NULL_BYTE = "\x00"
NULL_BYTE_STRING = "\\x00"
class Relocation
extend T::Sig
@ -173,16 +175,42 @@ class Keg
end
alias generic_recursive_fgrep_args recursive_fgrep_args
def each_unique_file_matching(string)
def egrep_args
grep_bin = "grep"
grep_args = recursive_fgrep_args
grep_args += "Pa"
[grep_bin, grep_args]
end
alias generic_egrep_args egrep_args
def each_unique_file(io, block)
hardlinks = Set.new
until io.eof?
file = Pathname.new(io.readline.chomp)
# Don't return symbolic links.
next if file.symlink?
# To avoid returning hardlinks, only return files with unique inodes.
# Hardlinks will have the same inode as the file they point to.
block.call file if hardlinks.add? file.stat.ino
end
end
def each_unique_file_matching(string, &block)
Utils.popen_read("fgrep", recursive_fgrep_args, string, to_s) do |io|
hardlinks = Set.new
each_unique_file(io, block)
end
end
until io.eof?
file = Pathname.new(io.readline.chomp)
next if file.symlink?
def each_unique_binary_file(&block)
grep_bin, grep_args = egrep_args
yield file if hardlinks.add? file.stat.ino
end
# We need to pass NULL_BYTE_STRING, the literal string "\x00", to grep
# rather than NULL_BYTE, a literal null byte, because grep will internally
# convert the literal string "\x00" to a null byte.
Utils.popen_read(grep_bin, grep_args, NULL_BYTE_STRING, to_s) do |io|
each_unique_file(io, block)
end
end