Module: Utils::Svn Private

Extended by:
SystemCommand::Mixin
Defined in:
utils/svn.rb

Overview

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

Helper functions for querying SVN information.

Class Method Summary collapse

Methods included from SystemCommand::Mixin

system_command, system_command!

Class Method Details

.available? ⇒ 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) 


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# File 'utils/svn.rb', line 13

def available?
  version.present?
end

.clear_version_cache ⇒ 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.



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# File 'utils/svn.rb', line 48

def clear_version_cache
  remove_instance_variable(:@version) if defined?(@version)
end

.invalid_cert_flags ⇒ 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:



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# File 'utils/svn.rb', line 38

def invalid_cert_flags
  opoo "Ignoring Subversion certificate errors!"
  args = ["--non-interactive", "--trust-server-cert"]
  if Version.new(version || "-1") >= Version.new("1.9")
    args << "--trust-server-cert-failures=expired,not-yet-valid"
  end
  args
end

.remote_exists?(url) ⇒ 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.

Parameters:

Returns:

  • (Boolean) 


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# File 'utils/svn.rb', line 26

def remote_exists?(url)
  return true unless available?

  args = ["ls", url, "--depth", "empty"]
  _, stderr, status = system_command("svn", args:, print_stderr: false)
  return status.success? unless stderr.include?("certificate verification failed")

  # OK to unconditionally trust here because we're just checking if a URL exists.
  system_command("svn", args: args.concat(invalid_cert_flags), print_stderr: false).success?
end

.version ⇒ 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:



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# File 'utils/svn.rb', line 18

def version
  return @version if defined?(@version)

  stdout, _, status = system_command(HOMEBREW_SHIMS_PATH/"shared/svn", args: ["--version"], print_stderr: false)
  @version = T.let(status.success? ? stdout.chomp[/svn, version (\d+(?:\.\d+)*)/, 1] : nil, T.nilable(String))
end