Class: Pathname Private

Inherits:
Object show all
Includes:
DiskUsageExtension, ELFShim, MachOShim, SystemCommand::Mixin
Defined in:
extend/pathname.rb,
extend/os/mac/extend/pathname.rb,
extend/os/linux/extend/pathname.rb,
extend/os/mac/extend/pathname.rbi,
extend/os/linux/extend/pathname.rbi

This class is part of a private API. This class may only be used in the Homebrew/brew repository. Third parties should avoid using this class if possible, as it may be removed or changed without warning.

Instance Method Summary collapse

Methods included from DiskUsageExtension

#abv, #disk_usage, #file_count

Methods included from SystemCommand::Mixin

#system_command, #system_command!

Methods included from MachOShim

#arch, #archs, #change_dylib_id, #change_install_name, #change_rpath, #delete_rpath, #dylib_id, #dynamically_linked_libraries, #i386?, #mach_o_executable?, #ppc64?, #ppc7400?, #resolve_rpath, #resolve_variable_name, #universal?, #x86_64?

Methods included from Kernel

#disk_usage_readable, #ensure_executable!, #ensure_formula_installed!, #exec_browser, #exec_editor, #ignore_interrupts, #interactive_shell, #number_readable, #odebug, #odeprecated, #odie, #odisabled, #ofail, #oh1, #oh1_title, #ohai, #ohai_title, #onoe, #opoo, #paths, #pretty_duration, #pretty_installed, #pretty_outdated, #pretty_uninstalled, #quiet_system, #redact_secrets, #redirect_stdout, #require?, #safe_system, #tap_and_name_comparison, #truncate_text_to_approximate_size, #which, #which_all, #which_editor, #with_custom_locale, #with_env, #with_homebrew_path

Methods included from ELFShim

#arch, #dylib_id, #dynamic_elf?, #dynamically_linked_libraries, #elf?, #elf_type, #interpreter, #patch!, #patchelf_patcher, #read_uint16, #read_uint8, #rpath, #rpath_using_patchelf_rb, #save_using_patchelf_rb

Instance Method Details

#append_lines(content, **open_args) ⇒ void

This method returns an undefined value.

Only appends to a file that is already created.

Parameters:

  • content (String)
  • open_args (T.untyped) 


175
176
177
178
179
 
# File 'extend/pathname.rb', line 175

def append_lines(content, **open_args)
  raise "Cannot append file that doesn't exist: #{self}" unless exist?

  T.unsafe(self).open("a", **open_args) { |f| f.puts(content) }
end

#atomic_write(content) ⇒ void

Note:

This always overwrites.

This method returns an undefined value.

Parameters:



185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
 
# File 'extend/pathname.rb', line 185

def atomic_write(content)
  old_stat = stat if exist?
  File.atomic_write(self) do |file|
    file.write(content)
  end

  return unless old_stat

  # Try to restore original file's permissions separately
  # atomic_write does it itself, but it actually erases
  # them if chown fails
  begin
    # Set correct permissions on new file
    chown(old_stat.uid, nil)
    chown(nil, old_stat.gid)
  rescue Errno::EPERM, Errno::EACCES
    # Changing file ownership failed, moving on.
    nil
  end
  begin
    # This operation will affect filesystem ACL's
    chmod(old_stat.mode)
  rescue Errno::EPERM, Errno::EACCES
    # Changing file permissions failed, moving on.
    nil
  end
end

#binary_executable? ⇒ Boolean

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:

  • (Boolean) 


454
455
456
 
# File 'extend/pathname.rb', line 454

def binary_executable?
  false
end

#cd(&_block) ⇒ T.type_parameter(:U)

Change to this directory, optionally executing the given block.

Parameters:

  • _block (T.proc.params(path: Pathname).returns(T.type_parameter(:U)))

Returns:

  • (T.type_parameter(:U)) 


309
310
311
 
# File 'extend/pathname.rb', line 309

def cd(&_block)
  Dir.chdir(self) { yield self }
end

#cp_path_sub(pattern, replacement) ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
 
# File 'extend/pathname.rb', line 213

def cp_path_sub(pattern, replacement)
  raise "#{self} does not exist" unless exist?

  dst = sub(pattern, replacement)

  raise "#{self} is the same file as #{dst}" if self == dst

  if directory?
    dst.mkpath
  else
    dst.dirname.mkpath
    dst = yield(self, dst) if block_given?
    FileUtils.cp(self, dst)
  end
end

#ds_store? ⇒ Boolean

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:

  • (Boolean) 


449
450
451
 
# File 'extend/pathname.rb', line 449

def ds_store?
  basename.to_s == ".DS_Store"
end

#dylib? ⇒ Boolean

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:

  • (Boolean) 


464
465
466
 
# File 'extend/pathname.rb', line 464

def dylib?
  false
end

#ensure_writable ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



341
342
343
344
345
346
347
348
349
350
 
# File 'extend/pathname.rb', line 341

def ensure_writable
  saved_perms = nil
  unless writable?
    saved_perms = stat.mode
    FileUtils.chmod "u+rw", to_path
  end
  yield
ensure
  chmod saved_perms if saved_perms
end

#env_script_all_files(dst, env) ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Writes a wrapper env script and moves all files to the dst.



402
403
404
405
406
407
408
409
410
411
 
# File 'extend/pathname.rb', line 402

def env_script_all_files(dst, env)
  dst.mkpath
  Pathname.glob("#{self}/*") do |file|
    next if file.directory?

    dst.install(file)
    new_file = dst.join(file.basename)
    file.write_env_script(new_file, env)
  end
end

#extname ⇒ String

Extended to support common double extensions.

Returns:



233
234
235
236
237
238
239
240
241
242
243
244
245
246
 
# File 'extend/pathname.rb', line 233

def extname
  basename = File.basename(self)

  bottle_ext, = HOMEBREW_BOTTLES_EXTNAME_REGEX.match(basename).to_a
  return bottle_ext if bottle_ext

  archive_ext = basename[/(\.(tar|cpio|pax)\.(gz|bz2|lz|xz|zst|Z))\Z/, 1]
  return archive_ext if archive_ext

  # Don't treat version numbers as extname.
  return "" if basename.match?(/\b\d+\.\d+[^.]*\Z/) && !basename.end_with?(".7z")

  File.extname(basename)
end

#file_type ⇒ String

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:



485
486
487
488
 
# File 'extend/pathname.rb', line 485

def file_type
  @file_type ||= system_command("file", args: ["-b", self], print_stderr: false)
                 .stdout.chomp
end

#install(*sources) ⇒ void

This method returns an undefined value.

Moves a file from the original location to the Pathname’s.

Parameters:



93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
 
# File 'extend/pathname.rb', line 93

def install(*sources)
  sources.each do |src|
    case src
    when Resource
      src.stage(self)
    when Resource::Partial
      src.resource.stage { install(*src.files) }
    when Array
      if src.empty?
        opoo "Tried to install empty array to #{self}"
        break
      end
      src.each { |s| install_p(s, File.basename(s)) }
    when Hash
      if src.empty?
        opoo "Tried to install empty hash to #{self}"
        break
      end
      src.each { |s, new_basename| install_p(s, new_basename) }
    else
      install_p(src, File.basename(src))
    end
  end
end

#install_info ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



361
362
363
 
# File 'extend/pathname.rb', line 361

def install_info
  quiet_system(which_install_info, "--quiet", to_s, "#{dirname}/dir")
end

#install_metafiles(from = Pathname.pwd) ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
 
# File 'extend/pathname.rb', line 431

def install_metafiles(from = Pathname.pwd)
  Pathname(from).children.each do |p|
    next if p.directory?
    next if File.empty?(p)
    next unless Metafiles.copy?(p.basename.to_s)

    # Some software symlinks these files (see help2man.rb)
    filename = p.resolved_path
    # Some software links metafiles together, so by the time we iterate to one of them
    # we may have already moved it. libxml2's COPYING and Copyright are affected by this.
    next unless filename.exist?

    filename.chmod 0644
    install(filename)
  end
end

#install_symlink(*sources) ⇒ void

This method returns an undefined value.

Creates symlinks to sources in this folder.

Parameters:



149
150
151
152
153
154
155
156
157
158
159
160
 
# File 'extend/pathname.rb', line 149

def install_symlink(*sources)
  sources.each do |src|
    case src
    when Array
      src.each { |s| install_symlink_p(s, File.basename(s)) }
    when Hash
      src.each { |s, new_basename| install_symlink_p(s, new_basename) }
    else
      install_symlink_p(src, File.basename(src))
    end
  end
end

#mach_o_bundle? ⇒ Boolean

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:

  • (Boolean) 


459
460
461
 
# File 'extend/pathname.rb', line 459

def mach_o_bundle?
  false
end

#magic_number ⇒ String

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:



474
475
476
477
478
479
480
481
482
 
# File 'extend/pathname.rb', line 474

def magic_number
  @magic_number ||= if directory?
    ""
  else
    # Length of the longest regex (currently Tar).
    max_magic_number_length = 262
    binread(max_magic_number_length) || ""
  end
end

#make_relative_symlink(src) ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



336
337
338
339
 
# File 'extend/pathname.rb', line 336

def make_relative_symlink(src)
  dirname.mkpath
  File.symlink(src.relative_path_from(dirname), self)
end

#resolved_path ⇒ Pathname

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:



322
323
324
 
# File 'extend/pathname.rb', line 322

def resolved_path
  symlink? ? dirname.join(readlink) : self
end

#resolved_path_exists? ⇒ Boolean

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:

  • (Boolean) 


327
328
329
330
331
332
333
334
 
# File 'extend/pathname.rb', line 327

def resolved_path_exists?
  link = readlink
rescue ArgumentError
  # The link target contains NUL bytes
  false
else
  dirname.join(link).exist?
end

#rmdir_if_possible ⇒ Boolean

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

I don’t trust the children.length == 0 check particularly, not to mention it is slow to enumerate the whole directory just to see if it is empty, instead rely on good ol’ libc and the filesystem

Returns:

  • (Boolean) 


260
261
262
263
264
265
266
267
268
269
270
271
272
 
# File 'extend/pathname.rb', line 260

def rmdir_if_possible
  rmdir
  true
rescue Errno::ENOTEMPTY
  if (ds_store = join(".DS_Store")).exist? && children.length == 1
    ds_store.unlink
    retry
  else
    false
  end
rescue Errno::EACCES, Errno::ENOENT, Errno::EBUSY, Errno::EPERM
  false
end

#rpaths ⇒ Array<String>

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:



469
470
471
 
# File 'extend/pathname.rb', line 469

def rpaths
  []
end

#sha256 ⇒ String

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:



286
287
288
289
 
# File 'extend/pathname.rb', line 286

def sha256
  require "digest/sha2"
  Digest::SHA256.file(self).hexdigest
end

#stem ⇒ String

For filetypes we support, returns basename without extension.

Returns:



252
253
254
 
# File 'extend/pathname.rb', line 252

def stem
  File.basename(self, extname)
end

#subdirs ⇒ Array<Pathname>

Get all sub-directories of this directory.

Returns:



317
318
319
 
# File 'extend/pathname.rb', line 317

def subdirs
  children.select(&:directory?)
end

#text_executable? ⇒ Boolean

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:

  • (Boolean) 


281
282
283
 
# File 'extend/pathname.rb', line 281

def text_executable?
  /\A#!\s*\S+/.match?(open("r") { |f| f.read(1024) })
end

#uninstall_info ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



365
366
367
 
# File 'extend/pathname.rb', line 365

def uninstall_info
  quiet_system(which_install_info, "--delete", "--quiet", to_s, "#{dirname}/dir")
end

#verify_checksum(expected) ⇒ void

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

This method returns an undefined value.

Parameters:

Raises:



292
293
294
295
296
297
 
# File 'extend/pathname.rb', line 292

def verify_checksum(expected)
  raise ChecksumMissingError if expected.blank?

  actual = Checksum.new(sha256.downcase)
  raise ChecksumMismatchError.new(self, expected, actual) if expected != actual
end

#version ⇒ Version

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:



275
276
277
278
 
# File 'extend/pathname.rb', line 275

def version
  require "version"
  Version.parse(basename)
end

#which_install_info ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



352
353
354
355
356
357
358
359
 
# File 'extend/pathname.rb', line 352

def which_install_info
  @which_install_info ||=
    if File.executable?("/usr/bin/install-info")
      "/usr/bin/install-info"
    elsif Formula["texinfo"].any_version_installed?
      Formula["texinfo"].opt_bin/"install-info"
    end
end

#write_env_script(target, args, env = nil) ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Writes an exec script that sets environment variables.



387
388
389
390
391
392
393
394
395
396
397
398
399
 
# File 'extend/pathname.rb', line 387

def write_env_script(target, args, env = nil)
  unless env
    env = args
    args = nil
  end
  env_export = +""
  env.each { |key, value| env_export << "#{key}=\"#{value}\" " }
  dirname.mkpath
  write <<~SH
    #!/bin/bash
    #{env_export}exec "#{target}" #{args} "$@"
  SH
end

#write_exec_script(*targets) ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Writes an exec script in this folder for each target pathname.



370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
 
# File 'extend/pathname.rb', line 370

def write_exec_script(*targets)
  targets.flatten!
  if targets.empty?
    opoo "Tried to write exec scripts to #{self} for an empty list of targets"
    return
  end
  mkpath
  targets.each do |target|
    target = Pathname.new(target) # allow pathnames or strings
    join(target.basename).write <<~SH
      #!/bin/bash
      exec "#{target}" "$@"
    SH
  end
end

#write_jar_script(target_jar, script_name, java_opts = "", java_version: nil) ⇒ Integer

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Writes an exec script that invokes a Java jar.

Parameters:

Returns:

  • (Integer) 


422
423
424
425
426
427
428
429
 
# File 'extend/pathname.rb', line 422

def write_jar_script(target_jar, script_name, java_opts = "", java_version: nil)
  mkpath
  (self/script_name).write <<~EOS
    #!/bin/bash
    export JAVA_HOME="#{Language::Java.overridable_java_home_env(java_version)[:JAVA_HOME]}"
    exec "${JAVA_HOME}/bin/java" #{java_opts} -jar "#{target_jar}" "$@"
  EOS
end

#zipinfo ⇒ Array<String>

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:



491
492
493
494
495
496
 
# File 'extend/pathname.rb', line 491

def zipinfo
  @zipinfo ||= system_command("zipinfo", args: ["-1", self], print_stderr: false)
               .stdout
               .encode(Encoding::UTF_8, invalid: :replace)
               .split("\n")
end