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Prefer double-quoted strings unless you need single quotes to avoid extra backslashes for escaping.
Open

  gem 'builder'
Severity: Minor
Found in Gemfile by rubocop

Checks if uses of quotes match the configured preference.

Example: EnforcedStyle: single_quotes (default)

# bad
"No special symbols"
"No string interpolation"
"Just text"

# good
'No special symbols'
'No string interpolation'
'Just text'
"Wait! What's #{this}!"

Example: EnforcedStyle: double_quotes

# bad
'Just some text'
'No special chars or interpolation'

# good
"Just some text"
"No special chars or interpolation"
"Every string in #{project} uses double_quotes"

Use the new Ruby 1.9 hash syntax.
Open

        :escape => @options[:escape_url]
Severity: Minor
Found in lib/paperclip/attachment.rb by rubocop

This cop checks hash literal syntax.

It can enforce either the use of the class hash rocket syntax or the use of the newer Ruby 1.9 syntax (when applicable).

A separate offense is registered for each problematic pair.

The supported styles are:

  • ruby19 - forces use of the 1.9 syntax (e.g. {a: 1}) when hashes have all symbols for keys
  • hash_rockets - forces use of hash rockets for all hashes
  • nomixedkeys - simply checks for hashes with mixed syntaxes
  • ruby19nomixed_keys - forces use of ruby 1.9 syntax and forbids mixed syntax hashes

Example: EnforcedStyle: ruby19 (default)

# bad
{:a => 2}
{b: 1, :c => 2}

# good
{a: 2, b: 1}
{:c => 2, 'd' => 2} # acceptable since 'd' isn't a symbol
{d: 1, 'e' => 2} # technically not forbidden

Example: EnforcedStyle: hash_rockets

# bad
{a: 1, b: 2}
{c: 1, 'd' => 5}

# good
{:a => 1, :b => 2}

Example: EnforcedStyle: nomixedkeys

# bad
{:a => 1, b: 2}
{c: 1, 'd' => 2}

# good
{:a => 1, :b => 2}
{c: 1, d: 2}

Example: EnforcedStyle: ruby19nomixed_keys

# bad
{:a => 1, :b => 2}
{c: 2, 'd' => 3} # should just use hash rockets

# good
{a: 1, b: 2}
{:c => 3, 'd' => 4}

Avoid comparing a variable with multiple items in a conditional, use Array#include? instead.
Open

      if options == true || options == false # Backwards compatibility.
        @url_generator.for(style_name, default_options.merge(:timestamp => options))
      else
        @url_generator.for(style_name, default_options.merge(options))
      end
Severity: Minor
Found in lib/paperclip/attachment.rb by rubocop

This cop checks against comparing a variable with multiple items, where Array#include? could be used instead to avoid code repetition.

Example:

# bad
a = 'a'
foo if a == 'a' || a == 'b' || a == 'c'

# good
a = 'a'
foo if ['a', 'b', 'c'].include?(a)

Prefer double-quoted strings unless you need single quotes to avoid extra backslashes for escaping.
Open

require 'uri'
Severity: Minor
Found in lib/paperclip/attachment.rb by rubocop

Checks if uses of quotes match the configured preference.

Example: EnforcedStyle: single_quotes (default)

# bad
"No special symbols"
"No string interpolation"
"Just text"

# good
'No special symbols'
'No string interpolation'
'Just text'
"Wait! What's #{this}!"

Example: EnforcedStyle: double_quotes

# bad
'Just some text'
'No special chars or interpolation'

# good
"Just some text"
"No special chars or interpolation"
"Every string in #{project} uses double_quotes"

Prefer double-quoted strings unless you need single quotes to avoid extra backslashes for escaping.
Open

require 'paperclip/url_generator'
Severity: Minor
Found in lib/paperclip/attachment.rb by rubocop

Checks if uses of quotes match the configured preference.

Example: EnforcedStyle: single_quotes (default)

# bad
"No special symbols"
"No string interpolation"
"Just text"

# good
'No special symbols'
'No string interpolation'
'Just text'
"Wait! What's #{this}!"

Example: EnforcedStyle: double_quotes

# bad
'Just some text'
'No special chars or interpolation'

# good
"Just some text"
"No special chars or interpolation"
"Every string in #{project} uses double_quotes"

Line is too long. [93/80]
Open

    # There is an important change of interface here: a style rule can set its own processors
Severity: Minor
Found in lib/paperclip/style.rb by rubocop

Line is too long. [84/80]
Open

      @geometry.respond_to?(:call) ? @geometry.call(attachment.instance) : @geometry
Severity: Minor
Found in lib/paperclip/style.rb by rubocop

Line is too long. [109/80]
Open

      if @content.meta.key?("content-disposition") && @content.meta["content-disposition"].match(/filename/i)
Severity: Minor
Found in lib/paperclip/io_adapters/uri_adapter.rb by rubocop

Line is too long. [105/80]
Open

        # can include both filename and filename* values according to RCF6266. filename should come first
Severity: Minor
Found in lib/paperclip/io_adapters/uri_adapter.rb by rubocop

Line is too long. [87/80]
Open

        _, filename = @content.meta["content-disposition"].split(/filename\*?\s*=\s*/i)
Severity: Minor
Found in lib/paperclip/io_adapters/uri_adapter.rb by rubocop

Do not use space inside array brackets.
Open

      [ basename(attachment, style_name), extension(attachment, style_name) ].delete_if(&:empty?).join(".".freeze)
Severity: Minor
Found in lib/paperclip/interpolations.rb by rubocop

Checks that brackets used for array literals have or don't have surrounding space depending on configuration.

Example: EnforcedStyle: space

# The `space` style enforces that array literals have
# surrounding space.

# bad
array = [a, b, c, d]

# good
array = [ a, b, c, d ]

Example: EnforcedStyle: no_space

# The `no_space` style enforces that array literals have
# no surrounding space.

# bad
array = [ a, b, c, d ]

# good
array = [a, b, c, d]

Example: EnforcedStyle: compact

# The `compact` style normally requires a space inside
# array brackets, with the exception that successive left
# or right brackets are collapsed together in nested arrays.

# bad
array = [ a, [ b, c ] ]

# good
array = [ a, [ b, c ]]

Unused method argument - style_name. If it's necessary, use _ or _style_name as an argument name to indicate that it won't be used. You can also write as rails_root(*) if you want the method to accept any arguments but don't care about them.
Open

    def rails_root attachment, style_name
Severity: Minor
Found in lib/paperclip/interpolations.rb by rubocop

This cop checks for unused method arguments.

Example:

# bad

def some_method(used, unused, _unused_but_allowed)
  puts used
end

Example:

# good

def some_method(used, _unused, _unused_but_allowed)
  puts used
end

Use def with parentheses when there are parameters.
Open

    def self.[] name
Severity: Minor
Found in lib/paperclip/interpolations.rb by rubocop

This cops checks for parentheses around the arguments in method definitions. Both instance and class/singleton methods are checked.

Example: EnforcedStyle: require_parentheses (default)

# The `require_parentheses` style requires method definitions
# to always use parentheses

# bad
def bar num1, num2
  num1 + num2
end

def foo descriptive_var_name,
        another_descriptive_var_name,
        last_descriptive_var_name
  do_something
end

# good
def bar(num1, num2)
  num1 + num2
end

def foo(descriptive_var_name,
        another_descriptive_var_name,
        last_descriptive_var_name)
  do_something
end

Example: EnforcedStyle: requirenoparentheses

# The `require_no_parentheses` style requires method definitions
# to never use parentheses

# bad
def bar(num1, num2)
  num1 + num2
end

def foo(descriptive_var_name,
        another_descriptive_var_name,
        last_descriptive_var_name)
  do_something
end

# good
def bar num1, num2
  num1 + num2
end

def foo descriptive_var_name,
        another_descriptive_var_name,
        last_descriptive_var_name
  do_something
end

Example: EnforcedStyle: requirenoparenthesesexceptmultiline

# The `require_no_parentheses_except_multiline` style prefers no
# parantheses when method definition arguments fit on single line,
# but prefers parantheses when arguments span multiple lines.

# bad
def bar(num1, num2)
  num1 + num2
end

def foo descriptive_var_name,
        another_descriptive_var_name,
        last_descriptive_var_name
  do_something
end

# good
def bar num1, num2
  num1 + num2
end

def foo(descriptive_var_name,
        another_descriptive_var_name,
        last_descriptive_var_name)
  do_something
end

Use def with parentheses when there are parameters.
Open

    def rails_env attachment, style_name
Severity: Minor
Found in lib/paperclip/interpolations.rb by rubocop

This cops checks for parentheses around the arguments in method definitions. Both instance and class/singleton methods are checked.

Example: EnforcedStyle: require_parentheses (default)

# The `require_parentheses` style requires method definitions
# to always use parentheses

# bad
def bar num1, num2
  num1 + num2
end

def foo descriptive_var_name,
        another_descriptive_var_name,
        last_descriptive_var_name
  do_something
end

# good
def bar(num1, num2)
  num1 + num2
end

def foo(descriptive_var_name,
        another_descriptive_var_name,
        last_descriptive_var_name)
  do_something
end

Example: EnforcedStyle: requirenoparentheses

# The `require_no_parentheses` style requires method definitions
# to never use parentheses

# bad
def bar(num1, num2)
  num1 + num2
end

def foo(descriptive_var_name,
        another_descriptive_var_name,
        last_descriptive_var_name)
  do_something
end

# good
def bar num1, num2
  num1 + num2
end

def foo descriptive_var_name,
        another_descriptive_var_name,
        last_descriptive_var_name
  do_something
end

Example: EnforcedStyle: requirenoparenthesesexceptmultiline

# The `require_no_parentheses_except_multiline` style prefers no
# parantheses when method definition arguments fit on single line,
# but prefers parantheses when arguments span multiple lines.

# bad
def bar(num1, num2)
  num1 + num2
end

def foo descriptive_var_name,
        another_descriptive_var_name,
        last_descriptive_var_name
  do_something
end

# good
def bar num1, num2
  num1 + num2
end

def foo(descriptive_var_name,
        another_descriptive_var_name,
        last_descriptive_var_name)
  do_something
end

Freeze mutable objects assigned to constants.
Open

    RIGHT_HERE = "#{__FILE__.gsub(%r{\A\./}, "")}:#{__LINE__ + 3}"
Severity: Minor
Found in lib/paperclip/interpolations.rb by rubocop

This cop checks whether some constant value isn't a mutable literal (e.g. array or hash).

Example:

# bad
CONST = [1, 2, 3]

# good
CONST = [1, 2, 3].freeze

Freeze mutable objects assigned to constants.
Open

      AVAILABLE_CHECKS = [:less_than, :less_than_or_equal_to, :greater_than, :greater_than_or_equal_to]
Severity: Minor
Found in lib/paperclip/validators/attachment_size_validator.rb by rubocop

This cop checks whether some constant value isn't a mutable literal (e.g. array or hash).

Example:

# bad
CONST = [1, 2, 3]

# good
CONST = [1, 2, 3].freeze

Line is too long. [81/80]
Open

      # * +unless+: Same as +if+ but validates if lambda or method returns false.
Severity: Minor
Found in lib/paperclip/validators/attachment_file_type_ignorance_validator.rb by rubocop

Prefer single-quoted strings inside interpolations.
Open

    "add_attachment_#{attachment_names.join("_")}_to_#{name.underscore.pluralize}"
Severity: Minor
Found in lib/generators/paperclip/paperclip_generator.rb by rubocop

This cop checks that quotes inside the string interpolation match the configured preference.

Example: EnforcedStyle: single_quotes (default)

# bad
result = "Tests #{success ? "PASS" : "FAIL"}"

# good
result = "Tests #{success ? 'PASS' : 'FAIL'}"

Example: EnforcedStyle: double_quotes

# bad
result = "Tests #{success ? 'PASS' : 'FAIL'}"

# good
result = "Tests #{success ? "PASS" : "FAIL"}"

HACK found
Open

  - HACK
Severity: Minor
Found in .hound.yml by fixme

TODO found
Open

  - TODO
Severity: Minor
Found in .hound.yml by fixme
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