ruby/rubygems · error · Bundler::ReadOnlyFileSystemError

42

42

Error message

There was an error while trying to #{action} `#{@path}`. File system is read-only.

What it means

Error "There was an error while trying to #{action} `#{@path}`. File system is read-only." thrown in ruby/rubygems.

Source

Thrown at lib/bundler/shared_helpers.rb:123

    def filesystem_access(path, action = :write, &block)
      yield(path.dup)
    rescue Errno::EACCES => e
      path_basename = File.basename(path.to_s)
      raise unless e.message.include?(path_basename) || action == :create

      raise PermissionError.new(path, action)
    rescue Errno::EAGAIN
      raise TemporaryResourceError.new(path, action)
    rescue Errno::EPROTO
      raise VirtualProtocolError.new
    rescue Errno::ENOSPC
      raise NoSpaceOnDeviceError.new(path, action)
    rescue Errno::ENOTSUP
      raise OperationNotSupportedError.new(path, action)
    rescue Errno::EPERM
      raise OperationNotPermittedError.new(path, action)
    rescue Errno::EROFS
      raise ReadOnlyFileSystemError.new(path, action)
    rescue Errno::EEXIST, Errno::ENOENT
      raise
    rescue SystemCallError => e
      raise GenericSystemCallError.new(e, "There was an error #{[:create, :write].include?(action) ? "creating" : "accessing"} `#{path}`.")
    end

    def feature_deprecated!(message)
      return unless prints_major_deprecations?

      Bundler.ui.warn("[DEPRECATED] #{message}")
    end

    def feature_removed!(message)
      require_relative "errors"
      raise RemovedError, "[REMOVED] #{message}"
    end

    def print_major_deprecations!

View on GitHub (pinned to 86cbb817a3)

When it happens

Trigger: Thrown at lib/bundler/shared_helpers.rb:123 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of ruby/rubygems@86cbb817a3 (2026-08-23). Data as JSON: /api/errors/2d1507c3c211facb. Report an issue: GitHub.